A tuberculosis intradermal skin test to detect tuberculosis infection is given to a high-risk adolescent. How long after the test is administered should the result be evaluated?
- A. Immediately
- B. Within 24 hours
- C. In 48 to 72 hours
- D. After 5 days
Correct Answer: C
Rationale: The tuberculin skin test reaction peaks in 48 to 72 hours, making this the optimal time for evaluation.
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The MOST common cause of sudden death in competitive athletes is
- A. aortic stenosis
- B. hypertrophic cardiomyopathy
- C. coronary artery abnormalities
- D. myocarditis
Correct Answer: B
Rationale: Hypertrophic cardiomyopathy is the leading cause of sudden death in competitive athletes.
In D-transposition of the great vessels, accounts for =5% of all congenital heart disease. In this anomaly, the following are true EXCEPT
- A. the pulmonary artery is anterior and to the left of the aorta
- B. pulmonary veins return to the left atrium
- C. connections between the atria and ventricles are normal
- D. aorta is posterior and to the right of the pulmonary artery
Correct Answer: A
Rationale: The pulmonary artery is anterior and to the left of the aorta in normal anatomy.
Measuring serum potassium is essential in a child with confirmed hypertension because hyperkalemia may be seen in
- A. Liddle syndrome
- B. Gordon syndrome
- C. glucocorticoid remediable aldosteronism
- D. apparent mineralocorticoid excess
Correct Answer: D
Rationale: Hyperkalemia is not typically associated with Liddle syndrome, which causes hypokalemia.
A male client with Herpes zoster (shingles) on his thorax tells the nurse that he is having difficulty sleeping. What is the probable etiology of this problem?
- A. Pain
- B. Nocturia
- C. Dyspnea
- D. Frequent cough
Correct Answer: A
Rationale: Pain from shingles can be severe and interfere with sleep, making it the most likely cause of the client's difficulty sleeping.
Third generation cephalosporin that is primarily excreted through bile is
- A. Cefoperazone
- B. Ceftriaxone
- C. Cefotaxim
- D. Cefixime
Correct Answer: A
Rationale: Cefoperazone is known for its biliary excretion