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Cardiovascular NCLEX Questions with Rationale Questions
Question 1 of 5
A 75-year-old male goes to the hospital ER and faints. Five minutes later he is alert. An ECG shows 75 P-waves per minute and 35 QRS complexes per minute with normal QRS width. Which of the following is the most likely diagnosis?
Correct Answer: B
Rationale: Stokes-Adams syndrome involves transient complete heart block, causing fainting with a slow ventricular rate.
Question 2 of 5
A 59-year-old man has experienced chest pain at rest for the past year. On physical examination, his pulse is 80/min and irregular. Which of the following laboratory findings is most likely to have a causal relationship to the process illustrated?
Correct Answer: C
Rationale: Low HDL promotes atherosclerosis by reducing cholesterol clearance, contributing to coronary artery disease.
Question 3 of 5
Which of the following will cause tachycardia?
Correct Answer: A
Rationale: Prazosin, an alpha-blocker, causes reflex tachycardia by reducing vascular tone.
Question 4 of 5
A 34-year-old male patient went to the hospital to check his blood cholesterol level and he has an increased LDL, the doctor prescribed one of the anti-hyperlipidemic drugs with vitamin D and E supplement, what is the most likely drug the doctor prescribed?
Correct Answer: A
Rationale: Statins are commonly prescribed for high LDL and may be paired with vitamins D and E.
Question 5 of 5
A 56-year-old man presented to his primary care physician complaining of difficulty urinating. Digital rectal exam reveals an enlarged prostate. The patient is started in a trial of Terazosin, after which his symptoms improve dramatically. Which of the following describes terazosin's drug class?
Correct Answer: A
Rationale: Terazosin, an alpha1-adrenergic antagonist, relaxes prostate smooth muscle.