ATI LPN
Cardiovascular NCLEX Questions with Rationale Questions
Question 1 of 5
Which of the following is NOT supplied by the Circle of Willis?
Correct Answer: A
Rationale: The Circle of Willis supplies the brain and parts of the eyes, but not the nose or pharynx, which have separate vascular supplies.
Question 2 of 5
Which of the following substances in plasma is the major factor that contributes to plasma colloid osmotic pressure?
Correct Answer: C
Rationale: Albumin is the primary contributor to plasma colloid osmotic pressure due to its abundance and size.
Question 3 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 4 of 5
Which is correct regarding HDL?
Correct Answer: C
Rationale: HDL removes cholesterol from tissues and delivers it to the liver, aiding reverse cholesterol transport.
Question 5 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.