A child is undergoing remission induction therapy to treat leukemia. Allopurinol is included in the regimen. The main reason for administering allopurinol as part of the client’s chemotherapy regimen is to:
- A. Prevent metabolic breakdown of xanthine to uric acid
- B. Prevent uric acid from precipitating in the ureters
- C. Enhance the production of uric acid to ensure adequate excretion of urine
- D. Ensure that the chemotherapy doesn’t adversely affect the bone marrow
Correct Answer: A
Rationale: Allopurinol prevents the breakdown of xanthine to uric acid, reducing the risk of uric acid nephropathy during chemotherapy-induced tumor lysis.
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Which among the following is a correct description for the condition 'mitral arcade'?
- A. Absent chordal insertions
- B. Absent papillary muscles
- C. Fused papillary muscles
- D. Elongated papillary muscles
Correct Answer: C
Rationale: Mitral arcade is characterized by fused papillary muscles.
Routine hearing tests in the community are usually based on:
- A. Distraction testing
- B. Auditory brainstem responses
- C. Evoked potentials
- D. Object discrimination
Correct Answer: A
Rationale: Distraction testing is a common method used in community settings to assess hearing in young children.
A harsh, blowing grade IV/VI murmur is auscultated in a 6-month-old infant. What will the nurse practitioner do next?
- A. Get a complete blood count to rule out severe anemia.
- B. Obtain an electrocardiogram to assess for arrhythmia.
- C. Order a chest radiograph to evaluate for cardiomegaly.
- D. Refer to a pediatric cardiologist for further evaluation.
Correct Answer: D
Rationale: A harsh, blowing murmur is suspicious for pathology, so a cardiology referral is warranted.
Which plan would be appropriate in helping to control congestive heart failure (CHF) in an infant?
- A. Promoting fluid restriction
- B. Feeding a low-salt formula
- C. Feeding in semi-Fowler position
- D. Encouraging breast milk
Correct Answer: C
Rationale: Feeding in a more upright position helps fluid drain from the lungs, improving breathing and reducing cardiac workload.
Xanthomas within palmar creases are seen characteristically in
- A. Pseudoxanthoma elasticum
- B. Type II hyperlipoproteinemia
- C. Type IIl hyperlipoproteinemia
- D. Hypothyroidism
Correct Answer: C
Rationale: Xanthomas within palmar creases are characteristic of Type III hyperlipoproteinemia.