Nokea
Which of the following has the highest proportion of etiology of congenital malformations?
- A. Maternal infections
- B. Maternal illness
- C. Environmental agents
- D. Monogenic inheritance
Correct Answer: D
Rationale: Monogenic inheritance accounts for the highest proportion of congenital malformations.
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The following conditions can present in a newborn infant as a bullous eruption:
- A. Syphilis
- B. Mast cell disease
- C. Epidermolysis bullosa
- D. Phenylketonuria
Correct Answer: C
Rationale: Epidermolysis bullosa is a genetic condition causing blistering of the skin. Syphilis and mast cell disease can also cause bullous eruptions, but phenylketonuria does not.
The nurse is preparing an adolescent for discharge after a cardiac catheterization. Which statement by the adolescent would indicate a need for further teaching?
- A. “I should avoid tub baths but may shower.â€
- B. “I have to stay on strict bed rest for 3 days.â€
- C. “I should remove the pressure dressing the day after the procedure.â€
- D. “I may attend school but should avoid exercise for several days.â€
Correct Answer: B
Rationale: The child does not need to be on strict bed rest for 3 days. Showers are recommended; children should avoid a tub bath. The pressure dressing is removed the day after the catheterization and replaced by an adhesive bandage to keep the area clean. Strenuous activity must be avoided for several days, but the child can return to school.
After a computer tomography (CT) scan with intravenous contrast medium, a client returns to the room complaining of shortness of breath and itching. Which intervention should the nurse implement?
- A. Call respiratory therapy to give a breathing treatment
- B. Send another nurse for an emergency tracheotomy set
- C. Prepare a dose of epinephrine (Adrenalin)
- D. Review the client's complete list of allergies
Correct Answer: C
Rationale: Shortness of breath and itching are signs of an allergic reaction to the contrast medium, and epinephrine is the first-line treatment for anaphylaxis.
Which among the following is not a feature of low flow - low gradient severe aortic stenosis with preserved left ventricular function?
- A. Mean trans aortic pressure gradient < 40 mm Hg
- B. Aortic valve area < 1 cm²
- C. Stroke volume > 35 ml/m²
- D. Left ventricular ejection fraction > 50%
Correct Answer: C
Rationale: Stroke volume is typically reduced, not increased, in low flow - low gradient severe aortic stenosis.
Treatment for congestive heart failure (CHF) in an infant began 3 days ago and has included digoxin and furosemide. The child no longer has retractions, lungs are clear, and HR is 96 beats per minute while sleeping. The nurse is confident that the child has diuresed successfully and has good renal perfusion when the nurse notes the child's urine output is:
- A. 0.5 cc/kg/hr
- B. 1 cc/kg/hr
- C. 30 cc/hr
- D. 1 oz/hr
Correct Answer: B
Rationale: Normal pediatric urine output is approximately 1 cc/kg/hr.