Question 1

The nurse is assessing a 2-year-old toddler during a routine well-child visit. The nurse suspects the possibility of growth hormone deficiency when the assessment shows which finding?

Accepted Answer

Answer reason: Growth hormone deficiency classically presents as normal size at birth and relatively normal early infancy growth, followed by progressively decreased linear growth velocity after about 6–12 months. A new deceleration of the height/growth curve with the child crossing percentiles downward to very low percentiles is a key red flag for an endocrine cause. Persistent low percentiles from birth/early infancy more strongly suggests constitutional small size, chronic systemic disease, malnutrition, or genetic causes rather than isolated GH deficiency. Improvement toward the 50th percentile indicates catch-up growth and is inconsistent with GH deficiency.

Question 2

The nurse cares for a client with the syndrome of inappropriate antidiuretic hormone (SIADH). Which should the nurse find consistent with the diagnosis?

Accepted Answer

Answer reason: SIADH causes excess ADH effect, leading to water retention with concentrated urine and dilutional hyponatremia. Therefore the expected findings are low urine output (often oliguria) alongside a low serum sodium due to dilution. This option matches both key features: markedly decreased 24-hour urine output and severe hyponatremia. The high-sodium options reflect water loss states (e.g., diabetes insipidus or dehydration) and are inconsistent with SIADH physiology.

Question 3

Which hormone does not control blood glucose levels in the body?

Accepted Answer

Answer reason: Insulin lowers glucose by promoting cellular uptake and glycogen synthesis, while glucagon raises glucose via hepatic glycogenolysis and gluconeogenesis. Cortisol also increases glucose availability by stimulating gluconeogenesis and causing insulin resistance during stress. Vasopressin (ADH) mainly regulates water reabsorption in the kidneys and vascular tone, not glucose homeostasis, making it the best choice.

Question 4

The nurse is performing an assessment on a client with syndrome of inappropriate antidiuretic hormone (SIADH). Which assessment findings would support the diagnosis of SIADH?

Accepted Answer

Answer reason: The mild expansion of intravascular volume can produce a normal to slightly increased blood pressure, while overt peripheral edema is typically absent because natriuresis limits sustained extracellular fluid expansion. In contrast, excessive urine production and low urine specific gravity are characteristic of diabetes insipidus, not SIADH. Therefore the blood pressure finding best supports SIADH among the options provided.

Question 5

Which hormone lowers blood sugar levels?

Accepted Answer

Answer reason: This hormone lowers serum glucose by increasing uptake into muscle and adipose tissue via GLUT4 and by promoting glycogen synthesis while inhibiting gluconeogenesis and glycogenolysis in the liver. In contrast, glucagon, cortisol, and epinephrine are counter-regulatory hormones that raise blood glucose during fasting or stress by stimulating hepatic glucose production and mobilizing energy stores. Therefore the best choice is the pancreatic hormone responsible for decreasing circulating glucose.

Question 6

Relaxin is a hormone that is released throughout a woman’s pregnancy to help prepare her uterine ligaments for the growth of her fetus and uterus. A downside to relaxin is that it may?

Accepted Answer

Answer reason: This decreased joint stability can predispose to strains and sprains, especially in the pelvis, hips, and lower back, making injury more likely with typical activity or poor body mechanics. Hypertension is not a characteristic effect of this hormone; pregnancy-related blood pressure issues are more linked to vascular/endothelial pathology (e.g., preeclampsia). Relaxin tends to relax smooth muscle, which is more consistent with reduced GI motility rather than increased bowel motility, and urinary difficulty is more commonly due to mechanical compression from the enlarging uterus.

Question 7

Delayed dentition is most characteristics of?

Accepted Answer

Answer reason: In congenital hypothyroidism, impaired metabolic activity and skeletal maturation delay tooth eruption and are often accompanied by other signs like growth retardation and lethargy. Malnutrition can delay dentition but is less characteristic and more nonspecific compared with the classic endocrine-driven delay seen in hypothyroidism. Milia is a benign neonatal skin finding and does not affect tooth eruption, and Down syndrome has characteristic facial/dental features but delayed dentition is most classically tied to hypothyroidism.

Question 8

The increase in basal body temperature after ovulation is due to...?

Accepted Answer

Answer reason: This shifts the basal temperature set point upward, producing the typical post-ovulatory rise in basal body temperature (often ~0.3–0.5°C). Estrogen tends to have a relatively temperature-lowering or neutral effect and is not responsible for the sustained luteal-phase rise. LH triggers ovulation and supports luteinization but does not directly cause the measurable sustained temperature increase.

Question 9

Time of ovulation corresponding to?

Accepted Answer

Answer reason: Therefore, a high blood LH level most directly corresponds to the timing of ovulation. Progesterone rises after ovulation due to corpus luteum formation, so it marks the luteal phase rather than the ovulatory event. Endometrial sloughing occurs during menstruation, and oxytocin is primarily involved in uterine contractions and lactation rather than ovulation timing.

Question 10

Which endocrine gland is situated in the mediastinum just behind the sternum?

Accepted Answer

Answer reason: It functions as an endocrine-immune organ in childhood by secreting thymic hormones that support T-lymphocyte maturation. The adrenal glands sit atop the kidneys (retroperitoneal), the pancreas lies in the upper abdomen (retroperitoneal), and the thyroid is in the anterior neck rather than within the mediastinum. Therefore the only option matching the stated mediastinal position is the thymus.

Question 11

Which disease is known as 'High blood sugar'?

Accepted Answer

Answer reason: This leads to reduced cellular glucose uptake and increased hepatic glucose output, raising plasma glucose levels. By contrast, hypertension is elevated blood pressure and does not describe glucose regulation. Anemia involves reduced hemoglobin or red blood cell mass, causing impaired oxygen delivery rather than increased blood glucose.

Question 12

Patients of conn syndrome may present with all, except?

Accepted Answer

Answer reason: Aldosterone also increases potassium and hydrogen ion excretion in the distal nephron, producing hypokalemia rather than elevated potassium. The resulting hypokalemia contributes to neuromuscular irritability and muscle weakness. Increased hydrogen loss drives a metabolic alkalosis, making alkalosis and muscle weakness expected findings while hyperkalemia is the exception.

Question 13

Hyper functioning of anterior pituitary in pre-pubertal children causes?

Accepted Answer

Answer reason: In pre-pubertal children this produces marked increase in height and overall body size, which is the defining feature of this condition. After epiphyseal closure, GH excess instead causes soft-tissue and acral bone enlargement rather than height gain, which characterizes a different disorder. Addison’s disease is primary adrenal insufficiency, and Cushing disease is ACTH-dependent hypercortisolism, neither being the classic result of GH hypersecretion in a child.

Question 14

Which of the following is a life threatening acute complications of diabetes mellitus?

Accepted Answer

Answer reason: Low blood glucose can develop quickly from excess insulin/oral agents, missed meals, or increased activity and leads to neuroglycopenia, seizures, coma, and fatal arrhythmias if not treated promptly. The other options are primarily chronic microvascular complications that develop over years rather than presenting as an immediate emergency. In exam context, the urgent acute complication here is the one requiring immediate recognition and treatment with glucose/glucagon.

Question 15

Patient came to ED with uncontrolled diabetes, urine test showed ketone positive. ABG report pH 6.25 pCo2 - 39 pO2- 55 and blood glucose is 600 mg/dl. Which of the following condition is present?

Accepted Answer

Answer reason: In DKA, accumulation of ketoacids lowers serum bicarbonate, producing a primary metabolic acidosis. The pCO2 is not elevated, which argues against primary respiratory acidosis; respiratory compensation in metabolic acidosis would be expected to lower pCO2 rather than raise it. Metabolic or respiratory alkalosis would require an elevated pH, which is the opposite of what is shown here.

Question 16

A client is evaluated for type 1 DM. Which client comment correlates best with this disorder?

Accepted Answer

Answer reason: "I'm thirsty all the time. I just can't get enough to drink." Type 1 diabetes causes absolute insulin deficiency, leading to hyperglycemia that exceeds the renal threshold and produces osmotic diuresis. The resulting fluid loss triggers polydipsia, making excessive thirst a classic early symptom. This symptom aligns more directly with diabetes pathophysiology than nonspecific findings like poor appetite. Pain with urination more strongly suggests a urinary tract infection rather than a primary manifestation of new-onset type 1 diabetes.

Question 17

Which enzyme is overexpressed in consumptive hypothyroidism, leading to excessive degradation of thyroid hormones?

Accepted Answer

Answer reason: Type 3 deiodinase is the primary inactivating deiodinase that converts T4 to reverse T3 and T3 to T2, accelerating clearance of active hormone. When overexpressed (classically in certain tumors/hemangiomas), it can “consume” circulating thyroid hormone faster than the thyroid can replace it, producing hypothyroidism. In contrast, D1 and D2 mainly contribute to activation of thyroid hormone via T4-to-T3 conversion, and TPO is involved in hormone synthesis within the thyroid gland, not peripheral degradation.

Question 18

Consumptive hypothyroidism is most commonly seen in which of the following conditions?

Accepted Answer

Answer reason: Large infantile hepatic hemangiomas can express high levels of type 3 deiodinase, which converts T4 and T3 into inactive metabolites, leading to severe hypothyroidism despite an intact thyroid gland. This mechanism is distinct from primary gland failure (e.g., autoimmune destruction) or impaired hormone synthesis (e.g., iodine deficiency). Central causes like pituitary hypofunction reduce TSH drive but do not cause increased peripheral hormone degradation.

Question 19

Which Hormone is called "Fight and Flights" Hormones?

Accepted Answer

Answer reason: This hormone rapidly increases heart rate and contractility, raises blood pressure via vasoconstriction, and promotes bronchodilation and glycogenolysis to mobilize energy. These acute physiologic changes prepare the body for immediate threat response, which is the hallmark of the fight-or-flight state. Serotonin and oxytocin are primarily involved in mood/social bonding rather than rapid sympathetic stress physiology, and while norepinephrine is also involved, the classic single best answer for the named hormone is epinephrine.

Question 20

Which of the following would not result in an increase of a patient’s basal metabolic rate?

Accepted Answer

Answer reason: Excess thyroid hormone directly upregulates metabolic processes and increases oxygen consumption, making hyperthyroidism a classic cause of increased BMR. Fever increases metabolic demand because each degree of temperature elevation accelerates enzymatic activity and energy expenditure. Nicotine stimulates catecholamine release and sympathetic tone, which can raise metabolic rate, whereas Cushing’s syndrome more characteristically promotes central fat deposition and protein catabolism without being a typical driver of increased BMR.

Question 21

Which of the following symptoms would a patient exhibit with hyperthyroidism?

Accepted Answer

Answer reason: Cold intolerance and decreased bowel movements are more consistent with hypothyroidism due to reduced metabolism and slowed gut motility. A slow heart rate also aligns with hypothyroid physiology rather than thyroid hormone excess. Since all listed symptom options A–C contradict the typical hyperthyroid presentation, the best answer is that none apply.

Question 22

The nurse suspects his patient is in diabetes insipidus with which of the following findings?

Accepted Answer

Answer reason: Excess free-water loss produces dehydration with increased plasma (serum) osmolality and typically hypernatremia. In response to hypovolemia, the kidneys conserve sodium via RAAS/aldosterone, so urine sodium tends to be low. Options describing low urine output or low serum osmolality/hyponatremia align more with water retention states (e.g., SIADH) rather than DI.

Question 23

A patient with hypercalcemia is likely to also have a deficiency of which electrolyte?

Accepted Answer

Answer reason: In common causes of hypercalcemia such as hyperparathyroidism, PTH increases renal phosphate wasting (phosphaturia), which lowers serum phosphate while calcium rises. This makes hypophosphatemia a frequent accompanying abnormality when calcium is elevated due to PTH-mediated physiology. Other listed electrolytes can be abnormal in specific contexts (e.g., potassium with diuretics), but they are not the classic paired deficiency with hypercalcemia.

Question 24

All are causes of monogenic hypertension with low renin and low aldosterone EXCEPT —?

Accepted Answer

Answer reason: Liddle syndrome increases ENaC activity, AME increases cortisol activation of mineralocorticoid receptors, and 17α-hydroxylase deficiency increases DOC; all mimic mineralocorticoids and therefore keep aldosterone low. In glucocorticoid-remediable aldosteronism, aldosterone production is ACTH-driven and typically elevated (with suppressed renin), so aldosterone is not low. Therefore it is the exception among the listed monogenic causes.

Question 25

Female Sex Hormone is...?

Accepted Answer

Answer reason: Estrogen is the principal female sex hormone produced mainly by the ovaries and is central to menstrual cycle regulation and female sexual development. Androgens are classically the predominant male sex hormones, though present in both sexes in smaller amounts. Insulin is a metabolic hormone for glucose regulation, and oxytocin mainly mediates uterine contractions and milk ejection rather than serving as the primary female sex hormone.

Question 26

A patient is prescribed levothyroxine. Which disorder does the nurse expect the patient to have?

Accepted Answer

Answer reason: The primary indication is an underactive thyroid gland, where low T4 leads to elevated TSH and slowed metabolic function. Giving thyroid hormone restores physiologic thyroid levels and normalizes metabolic rate. Hyperthyroidism is treated with antithyroid drugs, radioactive iodine, or surgery rather than adding more thyroid hormone. While thyroid hormone can influence glucose metabolism, glycemic disorders are not the primary disorder implied by prescribing this medication.

Question 27

The following is NOT a common symptom of diabetes?

Accepted Answer

Answer reason: Diabetes mellitus commonly causes osmotic diuresis from hyperglycemia, leading to polyuria. Hyperglycemia also produces transient lens swelling and refractive changes, which can cause blurred vision. Chronic hyperglycemia impairs leukocyte function and microvascular perfusion, contributing to poor/slow wound healing. In contrast, appetite changes are variable and are not as consistently seen as the classic common presenting symptoms compared with polyuria, visual changes, and impaired healing.

Question 28

Which hormones are secreted by the Islets of Langerhans?

Accepted Answer

Answer reason: Beta cells specifically produce the hormone that lowers serum glucose by facilitating cellular uptake and promoting glycogen synthesis. Progesterone and testosterone are primarily gonadal/adrenal steroid hormones, not pancreatic islet products. Hemoglobin is an oxygen-carrying protein in red blood cells, not a hormone.

Question 29

Magnesium reabsorption is controlled by?

Accepted Answer

Answer reason: By enhancing reabsorption (notably in the thick ascending limb and distal nephron), PTH helps conserve magnesium when needed. The loop of Henle is a major site where magnesium is reabsorbed, but it is a nephron segment rather than the primary regulatory controller in this question. The glomerulus primarily filters plasma, and the pituitary does not directly regulate renal magnesium reabsorption in standard physiology.

Question 30

First hormone to rise in pregnancy?

Accepted Answer

Answer reason: This rapid increase is the basis of standard urine and serum pregnancy tests. Its key role is to maintain the corpus luteum so progesterone production is sustained until the placenta can take over steroidogenesis. Progesterone and estrogen do increase in pregnancy, but their prominent progressive rise is a downstream effect of luteal/placental support rather than the earliest diagnostic hormonal surge. Prolactin can rise as pregnancy progresses, but it is not the first hormone to rise immediately after implantation.

Question 31

Damage to the parathyroid gland during a thyroidectomy may cause which electrolyte imbalance?

Accepted Answer

Answer reason: Damage or inadvertent removal of the parathyroid glands during thyroidectomy decreases PTH, leading to a drop in serum calcium. This results in neuromuscular irritability (e.g., perioral tingling, tetany, Chvostek/Trousseau signs) rather than potassium abnormalities. Hypercalcemia would be expected with excess PTH, not gland injury.

Question 32

Which hormone is primarily responsible for the maintenance of Pregnancy?

Accepted Answer

Answer reason: This hormone supports endometrial decidualization, promotes implantation support, and decreases uterine contractility throughout gestation (initially from the corpus luteum, then predominantly the placenta). In contrast, oxytocin primarily stimulates uterine contractions for labor and milk ejection, not pregnancy maintenance. Prolactin is chiefly responsible for lactogenesis, and estrogen is important for uterine growth and blood flow but is not the primary hormone maintaining gestation.

Question 33

The _ is the group of hormones that regulate the female reproductive cycle?

Accepted Answer

Answer reason: This group of hormones drives development of secondary sex characteristics and coordinates cyclical changes in the uterus and cervix that define the reproductive cycle. Androgens are primarily male-associated sex steroids and are not the main regulators of the female cycle. Thyroxines regulate metabolic rate, and corticosteroids regulate stress and immune responses, so neither directly orchestrates the menstrual cycle.

Question 34

In which condition polyuria occurs?

Accepted Answer

Answer reason: In uncontrolled hyperglycemia, glucose exceeds the renal threshold and is excreted in urine, increasing urine volume and frequency. Dehydration and shock more typically cause oliguria due to reduced renal perfusion and compensatory water conservation. Heart failure commonly leads to fluid retention with reduced effective arterial volume; increased urination may occur with diuretic therapy or nocturia, but polyuria is not the primary untreated physiologic feature.

Question 35

Which of the following findings would the nurse expect to assess in hypercalcemia?

Accepted Answer

Answer reason: This commonly presents clinically as renal/urinary stones and may accompany polyuria and dehydration due to impaired renal concentrating ability. Tetany is classically associated with hypocalcemia from increased neuromuscular excitability, making it a strong distractor here. Petechiae reflects platelet/coagulation abnormalities rather than calcium imbalance, and conduction changes of hypercalcemia are more typically shortened QT rather than a prolonged QRS.

Question 36

When caring for a male client with diabetes insipidus, nurse Juliet expects to administer?

Accepted Answer

Answer reason: Diabetes insipidus is caused by deficient antidiuretic hormone (central DI) or renal resistance to it, leading to inability to concentrate urine and resulting polyuria and polydipsia. Replacing ADH activity reduces free-water losses by increasing water reabsorption in the renal collecting ducts, correcting dehydration and hypernatremia risk. A loop diuretic would generally worsen volume loss rather than treat the underlying concentrating defect in typical DI management. Insulin and dextrose address glucose abnormalities, which are not the primary problem in diabetes insipidus.

Question 37

The action of somatostatin includes except-?

Accepted Answer

Answer reason: It inhibits pituitary growth hormone release and also reduces pancreatic hormone secretion including insulin and glucagon. It additionally decreases GI activity by inhibiting gastrin release and reducing gastric acid/juice secretion. Therefore the statement that it increases glucagon secretion is the exception because the physiologic effect is inhibition, not stimulation.

Question 38

Neonates of mothers with diabetes are at risk for which complication following birth?

Accepted Answer

Answer reason: Fetal insulin acts as a potent growth factor, leading to increased fat deposition and overall fetal overgrowth. This makes large-for-gestational-age birth weight a classic complication in infants of diabetic mothers. By contrast, the other options are not the characteristic primary complication tied to maternal diabetes in the immediate post-birth risk profile.

Question 39

Which of the following findings is not associated with hyperglycemia related to diabetes?

Accepted Answer

Answer reason: This leads to the classic triad of polyuria from glucosuria-driven water loss, polydipsia as a compensatory response to dehydration, and polyphagia due to impaired glucose utilization at the cellular level. In contrast, an extra digit is a congenital structural anomaly and is not a metabolic manifestation of elevated blood glucose. Therefore the congenital anomaly is the finding not associated with diabetic hyperglycemia.

Question 40

The nurse is caring for a patient with a goiter. The nurse knows that prolonged deficiency of which trace mineral can lead to this condition?

Accepted Answer

Answer reason: Iodine is an essential substrate for production of T3 and T4, so chronic deficiency reduces hormone output and promotes gland hypertrophy/hyperplasia. This directly explains why iodine deficiency is linked to endemic goiter. In contrast, deficiencies of cobalt, copper, or manganese are associated with other metabolic or hematologic problems rather than impaired thyroid hormone production as the primary mechanism.

Question 41

Which hormone deficiency predisposes to prolapse?

Accepted Answer

Answer reason: After menopause, reduced estrogen leads to atrophy and decreased collagen quality in pelvic floor/supporting tissues, lowering urethral/vaginal support and predisposing to prolapse. This mechanism directly links estrogen deficiency with weakened pelvic support structures. Progesterone and cortisol deficiencies are not classic drivers of pelvic floor tissue atrophy, and testosterone deficiency is not a primary explanation for prolapse in standard gynecologic physiology.

Question 42

Nurse Oliver should expect a client with hypothyroidism to report which health concerns?

Accepted Answer

Answer reason: Hypothyroidism lowers metabolic activity and promotes accumulation of glycosaminoglycans in interstitial tissues, causing nonpitting “myxedema” edema. This commonly presents as facial puffiness (especially periorbital) and swelling of hands/feet along with dry skin, fatigue, cold intolerance, and weight gain. In contrast, increased appetite with weight loss and nervousness/tremors are classic hyperthyroid findings from excess thyroid hormone. Thyroid gland swelling can occur with some causes (e.g., goiter in iodine deficiency/Hashimoto), but it is not as consistently expected as myxedematous puffiness when hypothyroidism is the key diagnosis.

Question 43

Which type of diabetes mellitus (DM) most likely results from heterogenous risk factors, making it preventable?

Accepted Answer

Answer reason: The question’s key cue is “heterogenous risk factors” plus “preventable,” which fits the multifactorial, modifiable-risk profile of type 2 DM. In contrast, type 1 DM is primarily autoimmune beta-cell destruction and is not currently preventable with standard risk-reduction strategies. Gestational diabetes shares modifiable risks, but it is pregnancy-specific and not the classic chronic DM type emphasized as broadly preventable in the general population.

Question 44

Neri, a 29-year-old female client, is being treated for cushing's syndrome. the decline of which of the following signs or symptoms would indicate a successful treatment?

Accepted Answer

Answer reason: Cushing syndrome causes excess cortisol, which increases insulin resistance and hepatic gluconeogenesis, commonly leading to hyperglycemia. Effective treatment reduces cortisol exposure, so glucose levels typically fall toward normal and this change is often observable relatively early. By contrast, bone density recovery is slow and may not show prompt improvement even with successful therapy, and hair/menstrual changes can take longer and be influenced by other endocrine factors. Therefore, a declining serum glucose level is the best indicator among the choices that treatment is working.

Question 45

A patient has been diagnosed with a pheochromocytoma. As the nurse, you know that which gland is affected by this type of tumor?

Accepted Answer

Answer reason: Excess epinephrine and norepinephrine explains classic findings such as episodic severe hypertension, headaches, diaphoresis, and palpitations. The thyroid and parathyroid are associated with different endocrine neoplasms and hormone excess states (thyrotoxicosis or hyperparathyroidism) rather than catecholamine surges. The pancreas is more relevant to insulin/glucagon disorders or pancreatic neuroendocrine tumors, not adrenal medullary catecholamine production.

Question 46

A 25-year-old client with Grave’s disease is admitted to the unit. What would the nurse expect the admitting assessment to reveal?

Accepted Answer

Answer reason: Thyroid-associated ophthalmopathy leads to inflammation and expansion of orbital tissues, which commonly presents as proptosis. In contrast, bradycardia and weight gain are more consistent with hypothyroidism, not excess thyroid hormone. Decreased appetite is also not typical because hyperthyroidism more often increases appetite despite weight loss.

Question 47

Sodium levels are affected by the secretion of which of the following hormones?

Accepted Answer

Answer reason: Aldosterone directly increases sodium reabsorption in the distal nephron (with accompanying water retention), making it a key hormonal controller of sodium levels. Progesterone has anti-mineralocorticoid activity and can compete with aldosterone at mineralocorticoid receptors, promoting natriuresis and thereby influencing sodium balance. By contrast, ADH mainly regulates free water reabsorption (changing serum sodium concentration indirectly via dilution) rather than controlling sodium handling itself, and FSH is unrelated to electrolyte regulation.

Question 48

In a 29-year-old female client who is being successfully treated for Cushing’s syndrome, nurse Lyzette would expect a decline in?

Accepted Answer

Answer reason: With effective treatment and reduction of cortisol levels, this diabetogenic effect diminishes, so blood glucose trends downward toward normal. By contrast, bone density should gradually improve rather than decline once cortisol excess is corrected. Menstrual function typically normalizes with treatment, so menstrual flow would be expected to increase/return, not decrease.

Question 49

The nurse is aware that the following is the most common cause of hyperaldosteronism?

Accepted Answer

Answer reason: A benign aldosterone-producing adrenal tumor (Conn syndrome) directly explains this unregulated hormone excess. Pituitary adenomas primarily affect ACTH or other pituitary hormones and are not the typical driver of aldosterone overproduction. Dietary sodium or potassium intake can influence renin-angiotensin-aldosterone activity but does not typically cause sustained hyperaldosteronism in the absence of an endocrine pathology.

Question 50

The most common cause of death in Diabetic Ketoacidosis (DKA) is?

Accepted Answer

Answer reason: This complication is especially emphasized as the most common cause of death in pediatric DKA and is a critical reason for cautious fluid and insulin correction. The other options can occur in DKA, but they are not the characteristic leading cause of mortality highlighted in standard teaching. Preventing this outcome depends on gradual correction of hyperglycemia, dehydration, and electrolyte abnormalities while closely monitoring neurologic status.

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