ATI LPN
Cardiovascular Questions Questions
Question 1 of 5
After receiving oxygen from the lungs, blood returns to the heart through the left
Correct Answer: A
Rationale: Oxygenated blood from the lungs enters the left atrium via the pulmonary veins.
Question 2 of 5
What is the therapeutic goal of beta-blocker therapy in heart failure?
Correct Answer: C
Rationale: Beta-blockers reduce myocardial workload by lowering heart rate and oxygen demand.
Question 3 of 5
The human heart has four chambers.
Correct Answer: A
Rationale: The heart's four chambers—two atria and two ventricles—facilitate the separation of oxygenated and deoxygenated blood.
Question 4 of 5
A 22 y/o female presents with irregular menses and breast discharge. She is fatigued with a 5 pound weight gain in 3 months. Thyroid is small without nodule. Heart is regular and lungs are clear. Prolactin= 44, TSH= 32, BHcg= negative, FSH is low. Which of the following medications should be initiated first?
Correct Answer: C
Rationale: The markedly elevated TSH indicates severe hypothyroidism, which should be treated with thyroxine replacement before addressing hyperprolactinemia.
Question 5 of 5
Mr. Gomez is asymptomatic with neuromuscular disorder and asks if he needs an ICD. Your recommendation would be:
Correct Answer: C
Rationale: In neuromuscular disorders, ICDs are recommended for primary and secondary prevention due to increased risk of sudden cardiac death, even if asymptomatic.