The predominant manifestations of primary pulmonary hypertension include the following EXCEPT
- A. exercise intolerance
- B. precordial chest pain
- C. syncope
- D. low arterial oxygen saturation
Correct Answer: B
Rationale: Precordial chest pain is not a typical manifestation of primary pulmonary hypertension.
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Hypoglycemia in an infant is defined as whole blood glucose level less than
- A. 40 mg/dl
- B. 50 mg/dl
- C. 60 mg/dl
- D. 80 mg/dl
Correct Answer: A
Rationale: Hypoglycemia in infants is defined as a whole blood glucose level less than 40 mg/dl, as this threshold is critical for brain function.
The nurse is closely monitoring the intake and output of an infant with heart failure who is receiving diuretic therapy. The nurse should use which most appropriate method to assess urine output?
- A. Inserting a foley catheter.
- B. Weighing the diapers.
- C. Comparing intake with output.
- D. Measuring the amount of water added to the formula.
Correct Answer: B
Rationale: Weighing diapers is a non-invasive and accurate method to assess urine output in infants, which is crucial for monitoring the effectiveness of diuretic therapy.
An older adult man recently diagnosed with chronic obstructive pulmonary disease (COPD) is admitted with shortness of breath. The nurse observes the client sitting upright and leaning over the bedside table, using accessory muscles to assist in breathing. What action should the nurse take?
- A. Assist the client to a high Fowler's position in bed
- B. Observe the client for the presence of a barrel chest
- C. Prepare to transfer the client to a critical care unit
- D. Instruct the client in pursed lip breathing techniques
Correct Answer: D
Rationale: Pursed lip breathing helps reduce dyspnea and improves oxygenation in clients with COPD.
The definition of hypertension in children is
- A. average systolic blood pressure (SBP) and/or diastolic BP that is ≥95th percentile for age, sex, on ≥2 occasions
- B. average systolic blood pressure (SBP) and/or diastolic BP that is ≥95th percentile for age, sex, and height on ≥2 occasions
- C. average systolic blood pressure (SBP) and/or diastolic BP that is ≥95th percentile for age, sex, and height on ≥3 occasions
- D. average systolic blood pressure (SBP) and/or diastolic BP that is ≥90th percentile for age, sex, and height on ≥3 occasions
Correct Answer: C
Rationale: Hypertension in children is defined as BP ≥95th percentile for age, sex, and height on ≥3 occasions.
Aspirin has been ordered for the child with rheumatic fever (RF) in order to:
- A. Keep the patent ductus arteriosus (PDA) open
- B. Reduce joint inflammation
- C. Decrease swelling of strawberry tongue
- D. Treat ventricular hypertrophy of endocarditis
Correct Answer: B
Rationale: Aspirin helps alleviate the joint inflammation and pain experienced in RF.
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