The nurse is assessing a 6-month-old healthy infant who weighed 7 pounds at birth. The nurse should expect the infant to now weigh approximately how many pounds?

Correct Answer: B

Rationale: The correct answer is B because birth weight typically doubles around age 5 to 6 months. Therefore, a 6-month-old infant who weighed 7 pounds at birth would be expected to weigh around 15 pounds at this age.

Correct Answer: C

Rationale: Congenital pneumonia with sepsis is likely given the low WBC count, prematurity, and need for ventilation

Correct Answer: D

Rationale: Maintenance fluid calculation follows the Holliday-Segar formula: 100 mL/kg for first 10 kg, 50 mL/kg for next 10 kg, and 20 mL/kg for additional weight. For a 25 kg child: 1600 mL/day.

Correct Answer: B

Rationale: Amphetamine intoxication matches these symptoms, including autonomic hyperactivity, psychosis, and cardiovascular effects.

Correct Answer: C

Rationale: Septic shock leads to distributive shock due to widespread vasodilation and capillary leakage.