A 12-year-old child whose weight and body mass index (BMI) are in the 75th percentile has a diastolic blood pressure that is between the 95th and 99th percentiles for age, sex, and height on three separate occasions. Which test will be prescribed for this child initially?
- A. complete blood count
- B. erythrocyte sedimentation rate
- C. urinalysis and electrolytes
- D. renal function
Correct Answer: C
Rationale: Since the majority of children with stage 1 or 2 hypertension have renal or renovascular causes for elevated BP, renal function and plasma renin tests should be performed.
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While planning care for a client with carpal tunnel syndrome, the nurse identifies a collaborative problem of pain. what is the etiology of this problem?
- A. Irritation of nerve endings
- B. Diminished blood flow
- C. Ischemic tissue changes
- D. Compression of a nerve
Correct Answer: D
Rationale: Carpal tunnel syndrome is caused by compression of the median nerve, leading to pain and other symptoms.
A seizure episode may be mimicked by:
- A. Breath-holding episode
- B. Choreoathetosis
- C. Hysterical reactions
- D. Vasovagal attack
Correct Answer: A
Rationale: Breath-holding episodes in children can mimic seizures due to transient loss of consciousness, often triggered by emotional stress or pain.
All patients with clinical evidence of a PDA are at increased risk for endocarditis. As a result, patients with PDA should be considered for irreversible closure EXCEPT
- A. small, hemodynamically insignificant PDA
- B. small, hemodynamically significant PDA
- C. moderate PDA
- D. large PDA
Correct Answer: A
Rationale: Small, hemodynamically insignificant PDAs may not require closure.
Features that would increase suspicion of cerebral palsy at age 9 months include:
- A. Presence of Moro reflex
- B. Abductor spasm
- C. Hand dominance
- D. Grasp reflex
Correct Answer: C
Rationale: Hand dominance at 9 months is a red flag for cerebral palsy. The persistence of primitive reflexes like the Moro and grasp reflexes can also be indicative.
A 12-year-old male tries out for a middle school hockey team. He has a history of a heart murmur as an infant, but the doctor thought it would go away. During the tryout, he experiences severe dyspnea and becomes light-headed. At your office, he has a normal rhythm, pulse, and blood pressure and is no longer dizzy. There is a grade 4/6 systole ejection murmur that radiates to the neck. There is also an ejection click. An ECG reveals left ventricular hypertrophy. The next approach to his management includes
- A. chest x-ray
- B. exercise test
- C. digitalization
- D. echocardiography
Correct Answer: D
Rationale: Echocardiography is essential to evaluate the severity of aortic stenosis and its effects on the heart.
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