ATI LPN
Questions About the Cardiovascular System Questions
Question 1 of 5
Creatine kinase is found in:
Correct Answer: D
Rationale: Creatine kinase is present in myocardium (CK-MB), brain (CK-BB), and skeletal muscle (CK-MM).
Question 2 of 5
Which of the following can be used as a prophylactic therapy in patient with migraine?
Correct Answer: A
Rationale: Propranolol is a first-line prophylactic treatment for migraines.
Question 3 of 5
A 55-year-old male came to the ER with hypertension crisis. What is the mechanism of action of the drug that needs to be given immediately in such a case?
Correct Answer: D
Rationale: Sodium nitroprusside, used in hypertensive crisis, releases nitric oxide to dilate vessels.
Question 4 of 5
Which blood vessels leave the heart and transport blood to the lungs?
Correct Answer: C
Rationale: Pulmonary arteries carry deoxygenated blood from the right ventricle to the lungs for oxygenation.
Question 5 of 5
A 30-year-old male smoker presents with gangrene of his extremities. Which one of the following histologic findings from a biopsy of the blood vessels supplying this area would be most suggestive of the diagnosis of Buerger's disease?
Correct Answer: D
Rationale: Buerger's disease (thromboangiitis obliterans) is characterized by segmental thrombosing vasculitis with microabscesses in the thrombus, commonly affecting young male smokers and leading to extremity gangrene.