ATI LPN
Cardiovascular Multiple Choice Questions and Answers Questions
Question 1 of 5
A study of atheroma formation leading to atherosclerotic complications evaluates potential risk factors for relevance in a population. Three factors are found to play a significant role in the causation of atherosclerosis: smoking, hypertension, and hypercholesterolemia. Which of the following events is the most important direct biologic consequence of these factors?
Correct Answer: A
Rationale: Endothelial injury from these risk factors initiates atherosclerosis, leading to plaque formation.
Question 2 of 5
Patient with a history of diabetes recently diagnosed with hyperlipidemia. Which of the following drugs can't be used in this case due to risk of development of hyperglycemia?
Correct Answer: A
Rationale: Niacin can worsen hyperglycemia in diabetics.
Question 3 of 5
A 74-year-old man presented to the ER complaining of chest pain that is increasing in frequency, duration, and intensity. He also has shortness of breath. He is given nitroglycerin in the ER and still has chest pain. What is the most likely diagnosis?
Correct Answer: D
Rationale: Persistent pain despite nitroglycerin suggests unstable angina.
Question 4 of 5
During which part of the cardiac cycle is pressure in the ventricle at its lowest?
Correct Answer: A
Rationale: Pressure in the ventricles is lowest during mid-diastole when the chambers are relaxed and filling passively.
Question 5 of 5
Which one of the following is the most common congenital heart defect to cause an initial left-to-right shunt?
Correct Answer: C
Rationale: Ventricular septal defect (VSD) is the most common congenital heart defect causing an initial left-to-right shunt due to higher left ventricular pressure.