ATI LPN
NCLEX Cardiovascular Questions Quizlet Questions
Question 1 of 5
The most muscular, powerful heart chamber is the:
Correct Answer: C
Rationale: The left ventricle has the thickest muscular wall to pump blood against the high pressure of the systemic circulation.
Question 2 of 5
A 65-year-old male presents with chest pain and shortness of breath. His ECG shows ST-segment elevation in leads II, III, and aVF. What is the most likely diagnosis?
Correct Answer: B
Rationale: ST-segment elevation in leads II, III, and aVF indicates an acute inferior myocardial infarction. These leads correspond to the inferior wall of the heart.
Question 3 of 5
75 yo man with new back pain comes to your office with back pain shooting down his leg. He has weakness of foot extension and cannot stand on his toes on the left foot and a dropped ankle jerk on the left. This is a lesion of which of the following roots?
Correct Answer: D
Rationale: S1 root lesion causes ankle reflex loss and weak plantarflexion, consistent with sciatica symptoms.
Question 4 of 5
In general, chemotherapy is discouraged in patients with a poor performance status unless which condition exists?
Correct Answer: C
Rationale: Chemotherapy in poor performance status is justified only if it significantly improves quality of life (e.g., symptom palliation), outweighing risks. Legal demands or trial data alone don't override clinical judgment.
Question 5 of 5
Which of the following organisms are the major causes of community-acquired bacterial meningitis in adults in developed countries?
Correct Answer: A
Rationale: Streptococcus pneumoniae and Neisseria meningitidis are the most common causes of community-acquired bacterial meningitis in adults in developed countries due to their prevalence and virulence in causing this condition.