ATI LPN
NCLEX Cardiovascular Questions Questions
Question 1 of 5
Cardiac Muscle Tissue is found in which layer of the heart?
Correct Answer: B
Rationale: The myocardium is the muscular middle layer of the heart wall responsible for contraction and is composed primarily of cardiac muscle tissue.
Question 2 of 5
A 63-year-old female went to his family physician with complaints of increasing difficulty with breathing. He says the symptoms started a few years ago but have progressed to the point where he has difficulty breathing with even mild physical exertion. Pulmonary function tests reveal a normal FEV1/FVC ratio. Of the following, what is his most likely diagnosis?
Correct Answer: C
Rationale: Interstitial lung disease causes progressive dyspnea with a normal FEV1/FVC ratio due to restrictive physiology, unlike obstructive diseases like emphysema or asthma.
Question 3 of 5
Which parameter indicates effectiveness of hydrochlorothiazide therapy for a patient who has been taking it for 10 years to treat hypertension?
Correct Answer: B
Rationale: Hydrochlorothiazide may be used alone as monotherapy to manage hypertension or in combination with other medications if not effective alone. After the first few weeks of therapy, the diuretic effect diminishes, but the antihypertensive effect remains.
Question 4 of 5
Once blood has been oxygenated, it is pumped out of the heart by the left ventricle into the , where it travels to the rest of the body.
Correct Answer: B
Rationale: The left ventricle pumps oxygenated blood into the aorta, the main artery distributing blood to the body.
Question 5 of 5
Which statement indicates a need for further teaching in a patient with heart failure taking digoxin?
Correct Answer: C
Rationale: Doubling a dose increases the risk of toxicity. Missed doses should not be made up.