Correct Answer: C

Rationale: High-ceiling diuretics, such as furosemide, are the most effective diuretic agents. They produce more loss of fluid and electrolytes than any others. A sudden loss of fluid can result in decreased BP. When BP drops, the pulse will probably increase rather than decrease.

Correct Answer: A

Rationale: Placing the newborn on a radiant warmer is appropriate as it helps maintain the body temperature and prevent hypothermia in a newborn with an omphalocele defect. This is crucial for the infant's well-being and supports their physiological stability.

Correct Answer: C

Rationale: To calculate the correct dosage, first convert the infant's weight to kilograms: 17.6 lb = 8 kg. The prescribed dose is 5 mg/kg, so for an 8 kg infant, the total dose required is 40 mg. Since the available ibuprofen liquid is 100 mg/5 ml, to find out how many milliliters to administer, divide the total dose (40 mg) by the concentration of the liquid (100 mg/5 ml), which equals 2 ml. Therefore, the healthcare provider should administer 2 ml of ibuprofen to the infant.

Correct Answer: A

Rationale: The priority nursing diagnosis in this scenario is 'Risk for Impaired Skin Integrity' because severe edema in the left lower extremity can lead to compromised circulation and pressure ulcers, increasing the risk of skin breakdown and infection. Addressing and preventing impaired skin integrity is crucial for the child's overall health and well-being.

Correct Answer: D

Rationale: It is important for the caregiver to instruct the parent to brush the child's teeth after administering ferrous sulfate to prevent staining of the teeth. Iron in ferrous sulfate can cause teeth discoloration, so brushing the child's teeth after taking the medication helps prevent this side effect.