Correct Answer: A

Rationale: The correct answer is to increase the dose of levothyroxine. In hypothyroidism, the body does not produce enough thyroid hormone, leading to symptoms like lethargy and cold intolerance. Increasing the dose of levothyroxine, which is a synthetic thyroid hormone replacement, helps correct the deficiency and alleviates the symptoms. Choice B, administering antipyretic medication, is incorrect as antipyretics are used to reduce fever, not treat hypothyroidism symptoms. Choice C, providing a warm blanket and increasing room temperature, may provide temporary comfort but does not address the underlying hormonal deficiency. Choice D, increasing fluid intake, is important for overall health but does not directly address the symptoms of hypothyroidism.

Correct Answer: D

Rationale: Obtaining serum acetaminophen levels is critical in determining the level of toxicity and guiding treatment. It helps to assess the risk of hepatotoxicity and determine the need for antidotal therapy with N-acetylcysteine. Assessing the child's level of consciousness (Choice A) is important but obtaining serum acetaminophen levels takes precedence as it directly guides the specific treatment required. Activated charcoal (Choice B) is not routinely used in acetaminophen poisoning. While notifying the poison control center (Choice C) is important, obtaining serum acetaminophen levels should be the immediate action to assess the child's condition and guide treatment.

Correct Answer: C

Rationale: The correct answer is C: Bananas. Bananas are high in potassium and should be avoided in clients who are on a low-potassium diet due to chronic kidney disease. Foods like apples and white bread are low in potassium and are safer choices. Carrots are also low in potassium and do not need to be avoided in this case.

Correct Answer: C

Rationale: The correct answer is C. Abdominal rigidity in a client with a bowel obstruction could indicate peritonitis, a serious complication requiring immediate attention. Volvulus, a twisting of the intestine, can lead to bowel ischemia and necrosis. Clients with pneumonia (choice A) may need assessment and treatment for infection, but it is not as immediately life-threatening as a bowel obstruction. A client who underwent knee surgery (choice B) needing a dressing change can typically wait for assessment compared to a potential surgical emergency. Similarly, a client with diabetes requesting insulin (choice D) may require attention to maintain blood glucose levels, but it is not as urgent as a suspected bowel obstruction with possible peritonitis.

Correct Answer: D

Rationale: The correct answer is D because the inability to complete sentences without pausing indicates respiratory distress and the need for immediate intervention. This finding suggests an increased work of breathing and inadequate oxygenation. Choices A, B, and C are not as urgent as choice D. Feeling short of breath (choice A) is expected in pneumonia but does not necessarily indicate the need for immediate intervention. An oxygen saturation of 92% (choice B) is slightly below the normal range but may not require immediate intervention. A respiratory rate of 20 breaths per minute (choice C) is within the normal range and does not signify an urgent need for intervention.