Nokea
Azathioprine:
- A. Is a prodrug
- B. Is teratogenic
- C. Should be avoided in liver disease
- D. Dose should be increased when given with allopurinol
Correct Answer: A
Rationale: Azathioprine is a prodrug. It is not highly teratogenic, can be used in liver disease with caution, and its dose should be reduced with allopurinol.
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The nurse calculates the body mass index (BMI) for an obese adult. Which additional assessment finding places the client at high risk for cardiac disease?
- A. Large waist circumference with central fat
- B. High serum insulin level
- C. Hyperpigmentation on neck skin folds
- D. Poor muscle tone
Correct Answer: A
Rationale: A large waist circumference with central fat is associated with an increased risk for cardiac disease due to visceral fat accumulation.
List THREE major criteria for the diagnosis of infective endocarditis.
- A. Persistently positive blood cultures
- B. Echo evidence positive for IE
- C. New valvar regurgitation
- D. All of the above
Correct Answer: D
Rationale: The major criteria are critical for diagnosing infective endocarditis based on clinical, laboratory, and echocardiographic findings.
A patient with no structural heart disease: a wide QRS tachycardia of RBBB morphology at a rate of 160 bpm, QRS axis of (-) 40 degrees and AV dissociation was recorded during palpitation. What is the likely diagnosis?
- A. RV outflow ventricular tachycardia
- B. Posterior fascicular VT
- C. Anterior fascicular VT
- D. Antidromic AVRT
Correct Answer: A
Rationale: RV outflow ventricular tachycardia is the likely diagnosis given the RBBB morphology and QRS axis.
The most common cardiac anomaly associated with Coarctation of aorta is
- A. Bicuspid aortic valve
- B. Subaortic ventricular septal defect
- C. Atrial septal defect
- D. Supramitral ring
Correct Answer: A
Rationale: Bicuspid aortic valve is the most common cardiac anomaly associated with coarctation of the aorta.
The nurse reviews the laboratory results for a child with a suspected diagnosis of rheumatic fever. The nurse knows that which laboratory study would assist in confirming the diagnosis?
- A. Immunoglobulin
- B. Red blood cell count
- C. White blood cell count
- D. Anti-streptolysin O titer
Correct Answer: D
Rationale: The Anti-streptolysin O titer is used to confirm a diagnosis of rheumatic fever as it indicates a recent streptococcal infection, which is a precursor to rheumatic fever.