Potential for Complications Practice Test 3
Potential for Complications NCLEX Practice Test
Potential for Complications is a key topic within the NCLEX test plan, located under Physiological Integrity → Reduction of Risk Potential → Potential for Complications. This section detects early warning signs and acts promptly to prevent deterioration. Each test contains 50 questions designed to mirror the difficulty and variety of the real exam.
This is the 3rd part of the Potential for Complications series. To explore all practice tests under this topic, use the “Back to Main Topic” button at the end of the page.
Continue Learning
In the Potential for Complications Study Cards section, shared by real NCLEX candidates, you’ll find concise summaries and high-yield insights related to the most tested concepts. It’s a perfect space to reinforce challenging topics and sharpen your recall through quick, focused repetitions. Short, powerful, and repeatable!
Potential for Complications Practice Test 3
Which finding is indicative of the presence of an infection in a casted extremity?
- Dependent edema
- Diminished distal pulse
- Coolness and pallor of the skin
- Presence of warm areas on the casted extremity
Explanation: Answer reason: Localized heat or hot spots under a cast suggest infection. The other findings point to neurovascular compromise (ischemia) or expected swelling, not infection.
Which assessment finding indicates a complication of Buck's traction?
- Weak pedal pulses
- Drainage at the pin sites
- Complaints of leg discomfort
- Toes demonstrating a brisk capillary refill
Explanation: Answer reason: Buck's traction is skin traction; the key complication is neurovascular compromise. Weak pedal pulses indicate impaired circulation. Pin-site drainage applies to skeletal traction, pain may be expected, and brisk capillary refill is normal.
A patient with deep vein thrombosis is at highest risk to develop which condition?
- Pulmonary edema
- Pulmonary embolism
- Pneumonia
- Pneumothorax
Explanation: Answer reason: A thrombus from a DVT can dislodge and travel to the pulmonary arteries, causing a pulmonary embolism. The other options are not typical direct complications of DVT.
In a 38-week pregnant patient with BP 174/112 mmHg and 2+ proteinuria undergoing induction of labor, what is the primary complication to prevent by lowering her blood pressure?
- Seizures (eclampsia)
- Renal failure
- Pulmonary edema
- Preterm labor
- Stroke
Explanation: Answer reason: Severe-range hypertension in preeclampsia primarily threatens maternal intracranial hemorrhage (stroke). Acute BP reduction is done to prevent stroke; magnesium sulfate is used to prevent seizures.
A client is admitted with infective endocarditis (IE). Which symptom would alert the nurse to a complication of this condition?
- Dyspnea
- Heart murmur
- Macular rash
- Hemorrhage
Explanation: Answer reason: In infective endocarditis, vegetations damage valves; a new or worsening heart murmur signals valvular involvement and complications such as regurgitation or embolic sequelae.
The nurse is caring for a client with a deep vein thrombosis. Which of the following symptoms would require the nurse's IMMEDIATE attention?
- Temperature of 102 degrees Fahrenheit
- Pulse rate of 98 beats per minute
- Respiratory rate of 32
- Blood pressure of 90/50
Explanation: Answer reason: Clients with DVT are at high risk for pulmonary embolism; tachypnea (RR 32) is an early sign of PE and demands immediate attention.
The nurse is caring for a client with a myocardial infarction. Which of the following assessment findings requires the nurse's IMMEDIATE action?
- Periorbital edema
- Dizziness spells
- Lethargy
- Shortness of breath
Explanation: Answer reason: Near-syncope/dizziness in an MI patient suggests dysrhythmias causing decreased cerebral perfusion (e.g., VT or periods of asystole) and requires immediate intervention. Other findings are concerning but less acutely life-threatening.
A client with COPD is receiving oxygen per nasal cannula at 2 liters per minute. Which of the following assessments should receive the nurse's IMMEDIATE attention?
- Pulse oximetry of 92%
- Crackles in lungs on auscultation
- Rapid shallow respirations
- Excessive thirst
Explanation: Answer reason: In COPD, supplemental oxygen can depress hypoxic drive and increase CO2 retention, leading to respiratory acidosis. Rapid shallow respirations signal acute decompensation and require immediate intervention. An SpO2 of 92% may be acceptable for COPD; crackles and thirst are less emergent.
Which of the following postpartal clients is at greatest risk for hemorrhage?
- A gravida 1 para 1 with an uncomplicated delivery of a 7-pound infant
- A gravida 1 para 0 with a history of polycystic ovarian disease
- A gravida 3 para 3 with a history of low-birth weight infants
- A gravida 4 para 3 with a Caesarean section
Explanation: Answer reason: Cesarean delivery and multiparity increase the risk of postpartum hemorrhage due to uterine atony and surgical blood loss. The other options do not present significant PPH risk factors.
The nurse is assessing a client following the removal of a pituitary tumor. The nurse notes that the urinary output has increased and that the urine is very dilute. The nurse should give priority to?
- Notifying the doctor immediately
- Documenting the finding in the chart
- Decreasing the rate of IV fluids
- Administering vasopressive medication
Explanation: Answer reason: Post–pituitary surgery polyuria with very dilute urine indicates diabetes insipidus from lack of ADH. This is a serious postoperative complication requiring prompt provider notification for orders (labs, fluid replacement, desmopressin). Simply documenting or changing IV rate is inappropriate; vasopressors require a prescription.
Vaginal examination is contraindicated in pregnancy in which situation?
- Gonorrhea
- Prolapsed cord
- Placenta praevia
- Carcinoma of the cervix
Explanation: Answer reason: Digital vaginal examination is contraindicated with placenta previa because it can disrupt the placenta and precipitate severe hemorrhage. The other options are not absolute contraindications.
Which finding after a colonoscopy requires immediate nursing intervention?
- Mild cramping
- Passage of flatus
- Abdominal distension and rigidity
- Drowsiness
Explanation: Answer reason: Post-colonoscopy abdominal distension and rigidity suggest possible perforation/peritonitis and require immediate evaluation. Mild cramping, flatus, and drowsiness are expected findings after the procedure and sedation.
A patient with a tracheostomy is at risk for which priority complication?
- Hypoglycemia
- Aspiration
- Fluid overload
- Hypertension
Explanation: Answer reason: Tracheostomy alters normal airway protection and swallowing, increasing risk for aspiration; the other options are not primary complications of a tracheostomy.
A client with partial thickness burns to the neck, face, and anterior trunk is most at risk for developing which condition?
- Hypovolemia
- Laryngeal edema
- Hypernatremia
- Oliguria
Explanation: Answer reason: Facial and neck burns indicate potential inhalation injury with rapid airway swelling; laryngeal edema is the most immediate life-threatening risk. Hypovolemia and oliguria can occur, but airway compromise takes priority. Hypernatremia is not expected early.
A client with a fractured pelvis from a motor vehicle crash should be closely assessed for which early posttrauma complication?
- Fever
- Bradycardia
- Hematuria
- Pain
Explanation: Answer reason: Pelvic fractures commonly cause injury to the bladder or urethra due to proximity, leading to blood in the urine as an early sign. Fever and bradycardia are not expected early posttrauma complications, and pain is expected but not a complication to detect.
Why are laxatives not given to patients with possible appendicitis?
- Could spread infection
- Could cause constipation
- Could cause flatulence
- Could cause a rupture of the appendix
Explanation: Answer reason: Laxatives increase intestinal motility and pressure, which can precipitate perforation of an inflamed appendix; therefore they are contraindicated in suspected appendicitis.
What is the most important complication of peritoneal dialysis?
- DVT
- Diarrhoea
- Hypertension
- Peritonitis
Explanation: Answer reason: Peritonitis is the most serious and common complication of peritoneal dialysis due to risk of intraperitoneal infection from the catheter.
The nurse is assessing a client hospitalized with duodenal ulcer. Which finding should be reported to the doctor immediately?
- BP 82/60, pulse 120
- Pulse 68, respirations 24
- BP 110/88, pulse 56
- Pulse 82, respirations 16
Explanation: Answer reason: Hypotension with tachycardia indicates possible acute hemorrhage and shock from GI bleeding in a duodenal ulcer and requires immediate provider notification.
A healthcare worker is referred to the nursing office with a suspected latex allergy. The first symptom of latex allergy is usually?
- Oral itching after eating bananas
- Swelling of the eyes and mouth
- Difficulty in breathing
- Swelling and itching of the hands
Explanation: Answer reason: Latex allergy commonly first presents as contact urticaria from glove exposure—itching and swelling of the hands. Eye/mouth swelling and dyspnea reflect more severe systemic reactions, and oral itching with bananas is a cross-reactivity sign, not typically the initial presentation.
When caring for a client with an anterior cervical discectomy, the nurse should give priority to assessing for post-operative bleeding. The nurse should pay particular attention to?
- Drainage on the surgical dressing
- Complaints of neck pain
- Bleeding from the mouth
- Swelling in the posterior neck
Explanation: Answer reason: After anterior cervical surgery, hemorrhage can accumulate posteriorly when the client is supine, creating a neck hematoma that can quickly obstruct the airway. Posterior neck swelling is a priority sign of postoperative bleeding and airway compromise, more critical than dressing drainage, pain, or oral bleeding.
During morning assessments, the nurse finds that a client's nephrostomy tube has been clamped. The nurse's first action should be to?
- Assess the drainage bag
- Check for bladder distention
- Unclamp the tubing
- Irrigate the tubing
Explanation: Answer reason: A clamped nephrostomy tube obstructs urinary drainage and can quickly damage the kidney; the priority is to restore flow by unclamping. Irrigation requires an order and assessing the bag or bladder does not address the immediate obstruction.
The school nurse is assessing an elementary student with hemophilia who fell during recess. Which symptoms indicate hemarthrosis?
- Pain, coolness, and blue discoloration in the affected joint
- Tingling and pain without loss of movement in the affected joint
- Warmth, redness, and decreased movement in the affected joint
- Stiffness, aching, and decreased movement in the affected joint
Explanation: Answer reason: Hemarthrosis (joint bleeding) typically presents with warmth, redness, swelling/pain, and reduced range of motion. Coolness/blue discoloration suggests poor perfusion, and tingling without ROM loss is less characteristic.
The nurse is assessing a 6-year-old following a tonsillectomy. Which one of the following signs is an early indication of hemorrhage?
- Drooling of bright red secretions
- Pulse rate of 90
- Vomiting of dark brown liquid
- Infrequent swallowing while sleeping
Explanation: Answer reason: Bright red blood from the mouth indicates active postoperative bleeding after tonsillectomy. HR of 90 is normal for a 6-year-old; dark brown emesis suggests old blood; early sign would be frequent—not infrequent—swallowing during sleep.
The nurse is evaluating the intake and output of a client for the first 12 hours following an abdominal cholecystectomy. Which finding should be reported to the physician?
- Output of 10mL from the Jackson-Pratt drain
- Foley catheter output of 285mL
- Nasogastric tube output of 150mL
- Absence of stool
Explanation: Answer reason: Urine output should be ≥30 mL/hr in adults; 285 mL over 12 hours (~24 mL/hr) indicates oliguria and potential hypovolemia/renal hypoperfusion and should be reported. The other findings are expected early post-op.
The nurse is assessing a client with a closed reduction of a fractured femur. Which finding should the nurse report to the physician?
- Chest pain and shortness of breath.
- Ecchymosis on the side of the injured leg.
- Oral temperature of 99.2°F.
- Complaints of level two pain on a scale of five.
Explanation: Answer reason: After a long-bone fracture, chest pain and dyspnea suggest a fat or pulmonary embolism, an acute complication requiring immediate provider notification. The other findings are expected or mild.
The nurse is preparing a client for discharge following the removal of a cataract. The nurse should tell the client to?
- Take aspirin for discomfort
- Avoid bending over to put on his shoes
- Remove the eye shield before going to sleep
- Continue showering as usual
Explanation: Answer reason: After cataract surgery the client should avoid activities that increase intraocular pressure, such as bending at the waist. Aspirin increases bleeding risk, the eye shield is worn during sleep, and showering must be modified to keep water out of the eye.
The nurse is caring for a client following a Whipple procedure. The nurse notes that the drainage from the nasogastric tube is bile tinged in appearance and has increased in the past hour. The nurse should?
- Document the finding and continue to monitor the client
- Irrigate the drainage tube with 10mL of normal saline
- Decrease the amount of intermittent suction
- Notify the physician of the findings
Explanation: Answer reason: After a Whipple, increasing bile-tinged NG output can indicate disruption/leak of the biliary or pancreatic anastomosis and is an abnormal postoperative finding requiring prompt provider notification. The NG tube should not be irrigated or adjusted without an order.
The nurse is caring for a client following a transphenoidal hypophysectomy. Post-operatively, the nurse should?
- Provide the client a toothbrush for mouth care
- Check the nasal dressing for the "halo sign"
- Tell the client to cough forcibly every 2 hours
- Ambulate the client when he is fully awake
Explanation: Answer reason: After transphenoidal hypophysectomy, priority is monitoring for cerebrospinal fluid leak; a halo sign on the nasal dressing suggests CSF. Toothbrushing and forceful coughing increase intracranial pressure and disrupt the incision, and ambulation is not the priority risk-focused action.
Clients with sickle cell anemia are taught to avoid activities that cause hypoxia and hypoxemia. Which of the following activities would the nurse recommend?
- A family vacation in the Rocky Mountains
- Chaperoning the local boys club on a snow-skiing trip
- Traveling by airplane for business trips
- A bus trip to the Museum of Natural History
Explanation: Answer reason: Sickle cell clients should avoid hypoxic stressors such as high altitude, cold exposure, and air travel that can reduce oxygenation. A ground-level bus trip to a museum does not impose hypoxia or cold stress, unlike the mountains, skiing, or airplane travel.
Which of the following would be the priority nursing diagnosis for the adult client with acute leukemia?
- Oral mucous membrane, altered related to chemotherapy
- Risk for injury related to thrombocytopenia
- Fatigue related to the disease process
- Interrupted family processes related to life-threatening illness of a family member
Explanation: Answer reason: Thrombocytopenia in acute leukemia places the client at high risk for bleeding, a potentially life-threatening complication; this risk takes priority over discomfort, fatigue, or family process issues.
The home health nurse is visiting a client with autoimmune thrombocytopenic purpura (ATP). The client's platelet count currently is 80,000. It will be most important to teach the client and family about?
- Bleeding precautions
- Prevention of falls
- Oxygen therapy
- Conservation of energy
Explanation: Answer reason: Platelets of 80,000 indicate thrombocytopenia with increased risk for bleeding; priority teaching is bleeding precautions (soft toothbrush, avoid NSAIDs/trauma, notify provider for bleeding). Other options are less directly targeted.
The client has surgery for removal of a Prolactinoma. Which of the following interventions would be appropriate for this client?
- Place the client in Trendelenburg position for postural drainage
- Encourage coughing and deep breathing every 2 hours
- Elevate the head of the bed 30°
- Encourage the Valsalva maneuver for bowel movements
Explanation: Answer reason: After transsphenoidal removal of a pituitary tumor, elevate HOB ~30° to reduce intracranial pressure and prevent CSF leak. Avoid Trendelenburg, coughing, and Valsalva, which increase ICP.
A client with hemophilia has a nosebleed. Which nursing action is most appropriate to control the bleeding?
- Place the client in a sitting position.
- Administer acetaminophen (Tylenol).
- Pinch the soft lower part of the nose.
- Apply ice packs to the forehead.
Explanation: Answer reason: Direct pressure to the soft lower nose is the most effective immediate measure to control epistaxis. Sitting position and ice can help but do not directly stop bleeding; acetaminophen does not control bleeding.
A client has had a unilateral adrenalectomy to remove a tumor. The most important measurement in the immediate post-operative period for the nurse to take is to?
- Check the blood pressure
- Monitor the temperature
- Evaluate the urinary output
- Check the specific gravity of the urine
Explanation: Answer reason: Post-adrenalectomy patients are at high risk for hemodynamic instability and hemorrhage, especially after removal of a catecholamine-secreting tumor. The most critical immediate assessment is blood pressure monitoring to detect hypotension/shock early.
A client had a total thyroidectomy yesterday. The client is complaining of tingling around the mouth and in the fingers and toes. What would the nurses' next action be?
- Obtain a crash cart
- Check the calcium level
- Assess the dressing for drainage
- Assess the blood pressure for hypertension
Explanation: Answer reason: Perioral and distal tingling after thyroidectomy indicates possible hypocalcemia from parathyroid injury. The priority is to check serum calcium and manage accordingly to prevent tetany/airway compromise.
The client with AIDS should be taught to?
- Avoid warm climates.
- Refrain from taking herbals.
- Avoid exercising.
- Report any changes in skin color.
Explanation: Answer reason: Skin color changes can signal complications such as Kaposi sarcoma lesions, jaundice, or anemia in clients with AIDS and should be reported promptly. Warm climates are not specifically contraindicated, exercise is encouraged as tolerated, and herbals are not universally prohibited (they should be discussed with the provider rather than completely avoided).
A priority nursing diagnosis for a child being admitted from surgery following a tonsillectomy is?
- Altered nutrition
- Impaired communication
- Risk for injury/aspiration
- Altered urinary elimination
Explanation: Answer reason: Post-tonsillectomy the immediate priority is airway protection; bleeding and edema can lead to aspiration of blood/secretions. Thus preventing injury/aspiration is the top nursing diagnosis over nutrition, communication, or urinary issues.
The doctor suspects that the client has an ectopic pregnancy. Which symptom is consistent with a diagnosis of a ruptured ectopic pregnancy?
- Painless vaginal bleeding
- Abdominal cramping
- Throbbing pain in the upper quadrant
- Sudden, stabbing pain in the lower quadrant
Explanation: Answer reason: Ruptured ectopic pregnancy classically causes sudden, severe unilateral lower abdominal pain. Painless bleeding suggests placenta previa; cramping is nonspecific; upper quadrant throbbing pain is not typical.
The client is admitted for an open reduction internal fixation of a fractured hip. Immediately following surgery, the nurse should give priority to assessing the?
- Serum collection (Davol) drain
- Client’s pain
- Nutritional status
- Immobilizer
Explanation: Answer reason: Immediately post-op the priority is early detection of life-threatening complications such as hemorrhage. Assessing the Davol drain for amount and character of output helps identify excessive bleeding. Pain, nutrition, and immobilizer assessment are important but not as critical immediately.
The nurse is caring for a client admitted with multiple trauma. Fractures include the pelvis, femur, and ulna. Which finding should be reported to the physician immediately?
- Hematuria
- Muscle spasms
- Dizziness
- Nausea
Explanation: Answer reason: Pelvic fractures place the urinary tract at high risk for injury; hematuria indicates possible bladder/urethral damage and internal bleeding and requires immediate provider notification. The other symptoms are common but not emergent.
A client with an inguinal hernia asks the nurse why he should have surgery when he has had a hernia for years. The nurse understands that surgery is recommended to?
- Prevent strangulation of the bowel
- Prevent malabsorptive disorders
- Decrease secretion of bile salts
- Increase intestinal motility
Explanation: Answer reason: Inguinal hernias risk incarceration and strangulation, which can obstruct blood flow and cause bowel necrosis; surgery is recommended primarily to prevent this complication.
An elderly client is hospitalized for a transurethral prostatectomy. Which finding should be reported to the doctor immediately?
- Hourly urinary output of 40–50cc
- Bright red urine with many clots
- Dark red urine with few clots
- Requests for pain med q 4 hrs.
Explanation: Answer reason: After TURP, bright red urine with numerous clots indicates active bleeding and requires immediate provider notification. An output of 40–50 mL/hr is adequate, some dark/red urine with few clots can be expected early post-op, and regular pain-med requests are expected.
Which statement by the parent of a child with sickle cell anemia indicates an understanding of the disease?
- “The pain he has is due to the presence of too many red blood cells.”
- “He will be able to go snow-skiing with his friends as long as he stays warm.”
- “He will need extra fluids in summer to prevent dehydration.”
- “There is very little chance that his brother will have sickle cell.”
Explanation: Answer reason: Dehydration precipitates sickling and vaso-occlusive pain crises; encouraging increased fluids demonstrates correct understanding. Pain is not from too many RBCs, cold/altitude activities like skiing increase risk, and if both parents are carriers each child has a 25% risk—not 'very little.
The nurse is caring for an 8-year-old following a routine tonsillectomy. Which finding should be reported immediately?
- Reluctance to swallow
- Drooling of blood-tinged saliva
- An axillary temperature of 99°F
- Respiratory stridor
Explanation: Answer reason: Respiratory stridor indicates airway obstruction post-tonsillectomy and is an emergency requiring immediate reporting. The other findings are common/expected: reluctance to swallow and blood-tinged saliva are typical, and an axillary temperature of 99°F is not concerning.
A 2-year-old is hospitalized with a diagnosis of Kawasaki's disease. A severe complication of Kawasaki's disease is?
- The development of Brushfield spots
- The eruption of Hutchinson’s teeth
- The development of coxa plana
- The creation of a giant aneurysm
Explanation: Answer reason: Kawasaki disease can lead to coronary artery aneurysms (including giant aneurysms). Brushfield spots occur in Down syndrome, Hutchinson’s teeth in congenital syphilis, and coxa plana in Legg-Calvé-Perthes disease.
A client with a laryngectomy returns from surgery with a nasogastric tube in place. The primary reason for placement of the nasogastric tube is to?
- Prevent swelling and dysphagia
- Decompress the stomach
- Prevent contamination of the suture line
- Promote healing of the oral mucosa
Explanation: Answer reason: After laryngectomy, oral intake is avoided initially to protect the pharyngeal suture line. An NG tube allows nutrition/decompression without oral feeding, thereby minimizing contamination of the suture line and promoting healing.
A nurse is caring for a client with a myocardial infarction. The nurse recognizes that the most common complication in the client following a myocardial infarction is?
- Right ventricular hypertrophy
- Cardiac dysrhythmia
- Left ventricular hypertrophy
- Hyperkalemia
Explanation: Answer reason: Post-MI myocardial irritability and conduction system ischemia make cardiac dysrhythmias the most common complication; hypertrophy and hyperkalemia are not typical immediate complications.
A client develops a temperature of 102°F following coronary artery bypass surgery. The nurse should notify the physician immediately because elevations in temperature?
- Increase cardiac output
- Indicate cardiac tamponade
- Decrease cardiac output
- Indicate graft rejection
Explanation: Answer reason: Fever raises metabolic rate and heart rate, increasing cardiac workload and cardiac output—dangerous after CABG. It does not indicate tamponade or graft rejection, and it does not decrease cardiac output.
A 4-year-old is admitted with acute leukemia. It will be most important to monitor the child for?
- Abdominal pain and anorexia
- Fatigue and bruising
- Bleeding and pallor
- Petechiae and mucosal ulcers
Explanation: Answer reason: Acute leukemia commonly causes anemia and thrombocytopenia, making pallor and bleeding life‑threatening priorities to monitor. Other options are possible findings but are less critical or less immediate.
A high school student returns to school following a 3-week absence due to mononucleosis. The school nurse knows it will be important for the client?
- To drink additional fluids throughout the day
- To avoid contact sports for 1–2 months
- To have a snack twice a day to prevent hypoglycemia
- To continue antibiotic therapy for 6 months
Explanation: Answer reason: Mononucleosis often causes splenomegaly; avoiding contact sports for several weeks prevents splenic rupture, a serious complication. The other options are not key or are inappropriate (e.g., antibiotics are not continued long-term).
Think you’re ready for the NCLEX?
Run through a full 150-question exam just like the real thing. You’ll hit the 85-question checkpoint and get a clear report showing where you stand.
