ATI LPN
Cardiovascular MCQ Questions Questions
Question 1 of 5
A 44 y/o male presents with tachycardia and nervousness. Thyroid is tender to palpation. TSH< 0.07 and Free T4 is elevated. The patient is on no medication. Nuclear thyroid scan shows a poorly visualized thyroid. 24 hour uptake is low. No iodine contamination. Which of the following is the suspected diagnosis?
Correct Answer: A
Rationale: Low radioactive iodine uptake and elevated free T4 suggest thyroiditis rather than Graves' disease or toxic nodules.
Question 2 of 5
A 75-year-old female presents with syncope and a slow heart rate. Her ECG shows complete heart block. What is the most appropriate management?
Correct Answer: A
Rationale: Complete heart block requires permanent pacemaker placement to ensure adequate heart rate and prevent complications such as syncope or sudden cardiac death.
Question 3 of 5
The biology of tumor growth most commonly follows which of the following mechanisms?
Correct Answer: C
Rationale: Tumor growth typically follows Gompertzian kinetics where growth rate slows as the tumor size increases.
Question 4 of 5
A pleasant 58 y.o male, diabetic for at least the last 10 years, is brought to the emergency room by his wife because of her concern over foul smelling drainage and discoloration from a long standing callus on his foot. He is noted to have a low grade fever, with a WBC of 13,000. You decide to order antibiotics. Which empiric option would make the most sense?
Correct Answer: D
Rationale: Piperacillin/tazobactam [Zosyn ®] provides broad coverage including Pseudomonas, which is important in diabetic foot infections.
Question 5 of 5
Which of the following statements is true regarding fluid management in AKI?
Correct Answer: D
Rationale: Both Ringer's lactate and normal saline have similar outcomes in AKI fluid management, as studies show no significant difference in mortality or renal recovery.