ATI LPN
Cardiovascular Disease Quiz Questions Questions
Question 1 of 5
The heart is supplied by the cardiac nervous plexus which is composed of:
Correct Answer: B
Rationale: The cardiac plexus includes parasympathetic fibers from the vagus nerve and sympathetic fibers from the sympathetic trunk.
Question 2 of 5
Excess production of which of the following would most likely result in chronic hypertension?
Correct Answer: C
Rationale: Angiotensin II causes vasoconstriction and aldosterone release, leading to chronic hypertension.
Question 3 of 5
Erythropoietin is secreted by:
Correct Answer: B
Rationale: Erythropoietin is secreted by peritubular capillary cells in the kidney in response to hypoxia.
Question 4 of 5
Which one of the following has the lowest density?
Correct Answer: D
Rationale: Chylomicrons have the lowest density due to their high triglyceride content.
Question 5 of 5
A patient presented to you in your clinic with low-grade fever, fatigue, and flu-like symptoms, he has a history of a complication of rheumatic fever that damaged his heart valves, after doing a blood culture, the results indicate a gram-positive coccus in chains. Which of the following is the most common cause?
Correct Answer: C
Rationale: Viridans streptococci are the most common cause of subacute endocarditis on damaged valves.