Florida NCLEX Mock Exam: Cardiovascular Disorders
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Exam 2026-2027) Correct Detailed & Verified ANSWERS
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A 68-year-old client with a history of hypertension presents with chest pressure radiating
to the left arm and jaw. Which action should the nurse take first?
A. Administer nitroglycerin
B. Obtain a 12-lead ECG
C. Start oxygen therapy
D. Assess pain level
Answer: B. Obtain a 12-lead ECG
Rationale: Early ECG acquisition is critical in suspected myocardial infarction to identify
ST-segment changes and guide immediate treatment decisions such as reperfusion
therapy.
A client diagnosed with heart failure is prescribed furosemide. Which laboratory value
requires immediate attention?
A. Sodium 140 mEq/L
B. Potassium 2.9 mEq/L
C. Calcium 9.2 mg/dL
D. Magnesium 2.0 mg/dL
Answer: B. Potassium 2.9 mEq/L
Rationale: Loop diuretics like furosemide can cause hypokalemia, which increases the
risk of life-threatening arrhythmias.
A nurse is teaching a client about lifestyle modifications for hypertension. Which
statement indicates understanding?
A. “I will increase my salt intake.”
,B. “I will exercise regularly.”
C. “I will stop taking my medications if I feel better.”
D. “I will avoid all fruits.”
Answer: B. “I will exercise regularly.”
Rationale: Regular physical activity helps lower blood pressure and improve
cardiovascular health.
A client with atrial fibrillation is prescribed warfarin. Which lab value is most important to
monitor?
A. INR
B. Hemoglobin
C. Platelet count
D. WBC count
Answer: A. INR
Rationale: INR is used to monitor the therapeutic effect of warfarin and prevent bleeding
complications.
A patient complains of shortness of breath and swelling in the lower extremities. Which
condition is most likely?
A. Left-sided heart failure
B. Right-sided heart failure
C. Myocardial infarction
D. Angina
Answer: B. Right-sided heart failure
Rationale: Peripheral edema and systemic congestion are hallmarks of right-sided heart
failure.
A nurse is assessing a client with suspected deep vein thrombosis. Which sign is most
concerning?
A. Warmth in the calf
, B. Swelling in one leg
C. Positive Homan’s sign
D. Sudden chest pain and dyspnea
Answer: D. Sudden chest pain and dyspnea
Rationale: These symptoms may indicate pulmonary embolism, a life-threatening
complication of DVT.
A client is prescribed digoxin. Which sign indicates toxicity?
A. Bradycardia
B. Hypertension
C. Hyperactivity
D. Tachycardia
Answer: A. Bradycardia
Rationale: Digoxin toxicity often presents with bradycardia and arrhythmias.
A client with angina asks about nitroglycerin use. Which instruction is correct?
A. Swallow the tablet whole
B. Take it only after meals
C. Place it under the tongue
D. Take it with water
Answer: C. Place it under the tongue
Rationale: Sublingual administration allows rapid absorption and quick relief of angina.
A nurse is caring for a client with pericarditis. Which position provides the most relief?
A. Supine
B. Sitting up and leaning forward
C. Side-lying
D. Prone
Answer: B. Sitting up and leaning forward
Updated most Frequent Tested Exam 2026 WITH Recent
Newest Verified And Well Analyzed Exam Questions (Actual
Exam 2026-2027) Correct Detailed & Verified ANSWERS
(100% Accurate Solutions) ALREADY GRADED A+||NEWEST
VERSION Of The Exam Guarantee Pass!!
A 68-year-old client with a history of hypertension presents with chest pressure radiating
to the left arm and jaw. Which action should the nurse take first?
A. Administer nitroglycerin
B. Obtain a 12-lead ECG
C. Start oxygen therapy
D. Assess pain level
Answer: B. Obtain a 12-lead ECG
Rationale: Early ECG acquisition is critical in suspected myocardial infarction to identify
ST-segment changes and guide immediate treatment decisions such as reperfusion
therapy.
A client diagnosed with heart failure is prescribed furosemide. Which laboratory value
requires immediate attention?
A. Sodium 140 mEq/L
B. Potassium 2.9 mEq/L
C. Calcium 9.2 mg/dL
D. Magnesium 2.0 mg/dL
Answer: B. Potassium 2.9 mEq/L
Rationale: Loop diuretics like furosemide can cause hypokalemia, which increases the
risk of life-threatening arrhythmias.
A nurse is teaching a client about lifestyle modifications for hypertension. Which
statement indicates understanding?
A. “I will increase my salt intake.”
,B. “I will exercise regularly.”
C. “I will stop taking my medications if I feel better.”
D. “I will avoid all fruits.”
Answer: B. “I will exercise regularly.”
Rationale: Regular physical activity helps lower blood pressure and improve
cardiovascular health.
A client with atrial fibrillation is prescribed warfarin. Which lab value is most important to
monitor?
A. INR
B. Hemoglobin
C. Platelet count
D. WBC count
Answer: A. INR
Rationale: INR is used to monitor the therapeutic effect of warfarin and prevent bleeding
complications.
A patient complains of shortness of breath and swelling in the lower extremities. Which
condition is most likely?
A. Left-sided heart failure
B. Right-sided heart failure
C. Myocardial infarction
D. Angina
Answer: B. Right-sided heart failure
Rationale: Peripheral edema and systemic congestion are hallmarks of right-sided heart
failure.
A nurse is assessing a client with suspected deep vein thrombosis. Which sign is most
concerning?
A. Warmth in the calf
, B. Swelling in one leg
C. Positive Homan’s sign
D. Sudden chest pain and dyspnea
Answer: D. Sudden chest pain and dyspnea
Rationale: These symptoms may indicate pulmonary embolism, a life-threatening
complication of DVT.
A client is prescribed digoxin. Which sign indicates toxicity?
A. Bradycardia
B. Hypertension
C. Hyperactivity
D. Tachycardia
Answer: A. Bradycardia
Rationale: Digoxin toxicity often presents with bradycardia and arrhythmias.
A client with angina asks about nitroglycerin use. Which instruction is correct?
A. Swallow the tablet whole
B. Take it only after meals
C. Place it under the tongue
D. Take it with water
Answer: C. Place it under the tongue
Rationale: Sublingual administration allows rapid absorption and quick relief of angina.
A nurse is caring for a client with pericarditis. Which position provides the most relief?
A. Supine
B. Sitting up and leaning forward
C. Side-lying
D. Prone
Answer: B. Sitting up and leaning forward
