ATI LPN
Cardiovascular Disease NCLEX Questions Questions
Question 1 of 5
Which of the following drugs act by blocking Na/K ATPase thus increasing cardiac muscle contractility?
Correct Answer: C
Rationale: Digoxin inhibits Na/K ATPase, increasing intracellular calcium and contractility.
Question 2 of 5
The lub-dub heart sound heard during auscultation of the heart are associated with___
Correct Answer: C
Rationale: The 'lub' (S1) and 'dub' (S2) sounds correspond to the closure of the atrioventricular and semilunar valves, respectively.
Question 3 of 5
A 20 years old athlete complaint of gradually increasing shortness of breath. His X-ray revealed large globular heart and echocardiogram revealed markedly decreased ejection fraction of 30% and dilatation of all four chambers of heart. His coronary angiogram did not revealed any obstruction. He is most likely suffering from:
Correct Answer: A
Rationale: Dilated cardiomyopathy causes four-chamber dilatation, reduced ejection fraction, and shortness of breath, with normal coronaries ruling out ischemic etiology.
Question 4 of 5
An afebrile 23-year-old man develops a sudden onset of left-sided, stabbing chest pain with dyspnea. Physical exam of the left chest reveals hyperresonance to percussion, deviation of the trachea to the left, elevation of the diaphragm, decreased tactile fremitus, and decreased breath sounds. The MOST LIKELY diagnosis is...
Correct Answer: C
Rationale: Spontaneous pneumothorax causes sudden chest pain, dyspnea, hyperresonance, and decreased breath sounds, with tracheal deviation toward the affected side in non-tension cases.
Question 5 of 5
Which information would the nurse consider when planning care for older adult patients with hypertension?(Select all that apply.)
Correct Answer: B
Rationale: Systolic blood pressure increases with age and patients older than age 60 years should be maintained below 150/90 mm Hg. Older adults are more likely to have elevated blood pressure when taken by health care providers (white coat syndrome).