(Verified Answers) 2026
Master your upcoming quiz with this comprehensive, keyword-optimized study guide
explicitly covering qualitative methodologies, sampling, and data saturation. Each
concept is broken down with clear, evidence-based rationales designed to help you
achieve a high score on your first attempt. Save hours of study time and guarantee your
success by downloading this verified preparation tool today.
Question 1
Which intervention is most effective for preventing healthcare-associated infections?
A. Wearing gloves at all times
B. Limiting patient visitors
C. Hand hygiene before and after patient contact
D. Using antibiotics prophylactically
Correct Answer: C. Hand hygiene before and after patient contact
Rationale: Proper hand hygiene is the single most effective measure for preventing the
transmission of pathogens in healthcare settings.
Question 2
A nurse is assessing a patient with heart failure. Which finding requires immediate intervention?
A. Mild ankle edema
B. Weight gain of 1 lb in one week
C. Oxygen saturation of 86%
D. Fatigue after activity
Correct Answer: C. Oxygen saturation of 86%
Rationale: An oxygen saturation of 86% indicates significant hypoxemia and requires prompt
assessment and intervention.
,Question 3
Which laboratory value is most important to monitor in a patient receiving warfarin therapy?
A. Sodium
B. INR
C. Calcium
D. Hemoglobin A1C
Correct Answer: B. INR
Rationale: INR measures the effectiveness of anticoagulation and helps determine appropriate
warfarin dosing.
Question 4
A patient reports crushing chest pain radiating to the left arm. What is the nurse's priority action?
A. Obtain dietary history
B. Encourage ambulation
C. Assess and activate emergency response protocols
D. Provide discharge instructions
Correct Answer: C. Assess and activate emergency response protocols
Rationale: These symptoms may indicate myocardial infarction and require immediate
evaluation.
Question 5
Which assessment finding is consistent with dehydration?
A. Moist mucous membranes
B. Bounding pulse
C. Dry mucous membranes
D. Peripheral edema
Correct Answer: C. Dry mucous membranes
Rationale: Dry mucous membranes commonly occur with fluid volume deficit.
,Question 6
Which electrolyte imbalance places a patient at greatest risk for cardiac dysrhythmias?
A. Hypernatremia
B. Hypokalemia
C. Hypercalcemia
D. Hypophosphatemia
Correct Answer: B. Hypokalemia
Rationale: Potassium plays a critical role in cardiac conduction and rhythm regulation.
Question 7
A patient with diabetes reports shakiness and sweating. Which action should the nurse take first?
A. Administer insulin
B. Check blood glucose level
C. Restrict fluids
D. Encourage exercise
Correct Answer: B. Check blood glucose level
Rationale: Symptoms suggest hypoglycemia and blood glucose should be assessed immediately.
Question 8
Which patient should the nurse assess first?
A. Patient requesting pain medication
B. Patient with a temperature of 100°F
C. Patient with sudden shortness of breath
D. Patient waiting for discharge
Correct Answer: C. Patient with sudden shortness of breath
Rationale: Sudden respiratory distress is potentially life-threatening and requires immediate
evaluation.
, Question 9
Which medication classification is commonly prescribed as first-line therapy for hypertension?
A. Antifungals
B. ACE inhibitors
C. Anticoagulants
D. Antivirals
Correct Answer: B. ACE inhibitors
Rationale: ACE inhibitors are frequently used to manage hypertension and protect
cardiovascular function.
Question 10
Which finding is expected in a patient with fluid volume overload?
A. Dry skin
B. Weight loss
C. Crackles in the lungs
D. Decreased blood pressure
Correct Answer: C. Crackles in the lungs
Rationale: Fluid accumulation in the lungs commonly produces crackles on auscultation.
Question 11
Which cholesterol level is considered protective against cardiovascular disease?
A. Elevated LDL
B. Low HDL
C. High HDL
D. Elevated triglycerides
Correct Answer: C. High HDL