Correct Answer: D

Rationale: The rotavirus vaccine series is usually completed before a child's first birthday. It is given to infants in a series of doses starting at 2 months of age and must be completed by 8 months of age. This vaccine helps protect against severe diarrhea and vomiting caused by rotavirus infection, which is common in infants and young children.

Correct Answer: A

Rationale: The correct instruction for a client prescribed furosemide is to take the medication in the morning. Furosemide, a diuretic, is best taken in the morning to prevent nocturia, which is excessive urination at night. Taking it earlier in the day can help reduce disruptions to sleep patterns. Therefore, advising the client to take furosemide in the morning is crucial for optimal therapeutic effects.

Correct Answer: D

Rationale: Metformin is known to potentially cause lactic acidosis, especially in patients with impaired renal function. Monitoring serum creatinine levels is essential for assessing kidney function and detecting any adverse effects of Metformin on renal health.

Correct Answer: B

Rationale: When a client is receiving IV Opioid analgesics during labor, the nurse should offer oral hygiene every 2 hours. Opioid analgesics can cause adverse effects like dry mouth, nausea, and vomiting. Providing oral hygiene care helps alleviate these symptoms and maintains the client's comfort and well-being during labor.

Correct Answer: C

Rationale: Potassium 3.4 mEq/L is below the expected reference range, which increases the risk for digoxin toxicity. Low potassium levels can lead to fatal dysrhythmias, particularly in older clients taking Digoxin. Monitoring and correcting electrolyte imbalances are crucial to prevent adverse effects of digoxin therapy.