Correct Answer: B

Rationale: Sudden relief of pain in a child with suspected appendicitis should be reported immediately as it may indicate a rupture of the appendix, which is a medical emergency. Sudden relief of pain is concerning because it can be a sign of a perforated appendix, leading to peritonitis and sepsis.

Correct Answer: D

Rationale: Providing positive feedback is essential in reinforcing correct behaviors. By praising the mother for properly administering the ferrous sulfate to her 11-month-old, the nurse can encourage her to continue following the correct procedure. This positive reinforcement can boost the mother's confidence and adherence to the recommended administration method, ultimately benefiting the infant's health.

Correct Answer: B

Rationale: The correct intervention to help prevent injury during a seizure is to keep the side rails padded and in an upright position. This measure helps to ensure the child's safety by preventing falls or accidental injuries. Using a padded tongue depressor or restraining the child can potentially cause harm and are not recommended. Placing a padded helmet is not a standard intervention for seizure safety in this scenario.

Correct Answer: A

Rationale: To calculate the mL per dose, divide the prescribed dose (42 mg) by the concentration of the syrup (50 mg/5 mL) and then convert the result to mL. 42 mg / 50 mg = 0.84. To find the amount in mL, multiply 0.84 by 5 mL, which equals 4.2 mL. Therefore, 4.2 mL should be administered per dose.

Correct Answer: A

Rationale: The practical nurse should suggest playing peek-a-boo to the parents of a 7-month-old infant to encourage visual stimulation. Peek-a-boo is a suitable game for this age group as it helps develop visual tracking skills and the concept of object permanence. By covering and uncovering their face or a toy, the infant learns that things still exist even when they cannot be seen, promoting cognitive development and visual engagement.