NCLEX-PN
Cardiac System NCLEX Questions Questions
Extract:
Question 1 of 5
When the client asks the nurse how cholesterol acts as a cardiac risk factor, what is the best explanation?
Correct Answer: B
Rationale: High cholesterol contributes to atherosclerosis, where excess fat (lipids) deposits thicken and harden the arterial walls, narrowing the lumen and increasing cardiac risk.
Question 2 of 5
If the literature supplied by the fast-food chain indicates that one hot apple pie contains 2 g of protein, 14 g of fat, and 31 g of carbohydrates, how many calories are contained in one hot apple pie?
Correct Answer: C
Rationale: Calories are calculated as: (2 g protein × 4 kcal/g) + (14 g fat × 9 kcal/g) + (31 g carbohydrates × 4 kcal/g) = 8 + 126 + 124 = 258 kcal, closest to 270 kcal.
Question 3 of 5
The nurse anticipates that the client will most likely demonstrate which emotional response in relation to the development of heart failure?
Correct Answer: B
Rationale: Anxiety is common in CHF due to breathlessness and fear of disease progression.
Question 4 of 5
When the client asks the nurse how cholesterol acts as a cardiac risk factor, what is the best explanation?
Correct Answer: B
Rationale: High cholesterol contributes to atherosclerosis, where excess fat (lipids) deposits thicken and harden the arterial walls, narrowing the lumen and increasing cardiac risk.
Question 5 of 5
Digoxin (Lanoxin) and furosemide (Lasix) are ordered for a client who has congestive heart failure. Which of the following would the nurse also expect to be ordered for this client?
Correct Answer: A
Rationale: Furosemide, a diuretic, can cause potassium loss, leading to hypokalemia, which increases the risk of digoxin toxicity. Potassium supplements are often ordered to maintain normal levels.