Nursing Elites

1. According to Piaget, a 6-month-old infant should be in which developmental stage?

• A. Use of reflexes
• B. Primary circular reactions
• C. Secondary circular reactions
• D. Coordination of secondary schemata

Correct answer: C

Rationale: By 6 months, infants are usually in the stage of secondary circular reactions, where they start to intentionally repeat actions that bring pleasure or interesting results.

2. The mother of a 3-month-old breastfed infant asks about giving her baby water because it is summer and very warm. What should the nurse tell her?

• A. Fluids in addition to breast milk are not needed.
• B. Water should be given if the infant seems to nurse longer than usual.
• C. Clear juices are better than water to promote adequate fluid intake.
• D. Water once or twice a day will make up for losses resulting from environmental temperature.

Correct answer: A

Rationale: Breast milk provides adequate hydration, even in warm weather, so additional fluids like water are not necessary and can interfere with breastfeeding.

3. The nurse is preparing to admit a child to the hospital with a diagnosis of acute poststreptococcal glomerulonephritis. The nurse understands that the peak age at onset for this disease is what?

• A. 2 to 4 years
• B. 5 to 7 years
• C. 8 to 10 years
• D. 11 to 13 years

Correct answer: B

Rationale: The peak age for the onset of acute poststreptococcal glomerulonephritis is typically between 5 and 7 years old. This age group is most affected due to the higher incidence of streptococcal infections in school-aged children, which can lead to this renal complication.

4. What diagnostic test allows visualization of renal parenchyma and renal pelvis without exposure to external-beam radiation or radioactive isotopes?

• A. Renal ultrasonography
• B. Computed tomography
• C. Intravenous pyelography
• D. Voiding cystourethrography

Correct answer: A

Rationale: Renal ultrasonography provides imaging of the renal parenchyma and pelvis without the risks associated with radiation or radioactive isotopes, making it a safer option, especially for children.

5. What physiologic state(s) produces the clinical manifestations of nervous system stimulation and excitement, such as overexcitability, nervousness, and tetany?

• A. Metabolic acidosis
• B. Respiratory alkalosis
• C. Metabolic and respiratory acidosis
• D. Metabolic and respiratory alkalosis

Correct answer: D

Rationale: Both metabolic and respiratory alkalosis can cause overexcitability and nervous system stimulation due to a decrease in ionized calcium levels, which can cause symptoms such as tetany and paresthesias. Acidosis typically has the opposite effect, leading to depression of the nervous system.

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