Correct Answer: C

Rationale: Numbness and tingling around the mouth can indicate hypocalcemia, a potential complication after thyroidectomy. Hypocalcemia can occur due to inadvertent injury or removal of the parathyroid glands during the thyroidectomy, leading to decreased calcium levels. As a result, the client may experience symptoms such as numbness, tingling, muscle cramps, or spasms. Prompt intervention is necessary to prevent severe complications like tetany or seizures. Therefore, the healthcare provider should address numbness and tingling around the mouth immediately to prevent further deterioration of calcium levels and potential serious outcomes.

Correct Answer: B

Rationale: Increasing sharp pain related to compartment syndrome necessitates immediate intervention as it may lead to permanent damage to muscles and nerves. Compartment syndrome is a serious condition that requires urgent medical attention to prevent further complications such as tissue necrosis and nerve injury.

Correct Answer: A

Rationale: The mother who took her children from school due to delusions of aliens poses a significant risk to her children and herself. This situation requires immediate attention to ensure the safety and well-being of all involved.

Correct Answer: C

Rationale: The correct instruction for a client learning to self-administer insulin is to rotate injection sites within the same region. This practice helps prevent lipodystrophy, which is a condition characterized by fat tissue changes due to repeated injections in the same spot, and also ensures consistent absorption of insulin throughout the body.

Correct Answer: A

Rationale: The correct answer is to avoid close contact with pregnant women for one week. This precaution is essential to prevent radiation exposure to vulnerable populations. Pregnant women and small children are more sensitive to radiation, making it crucial for patients undergoing radioactive iodine therapy to avoid close contact with them for a specified period.