Correct Answer: A

Rationale: Using a soft-bristled toothbrush is essential for clients at risk of thrombocytopenia to prevent gum bleeding, as their platelet counts may be low. Vigorous brushing with a hard-bristled toothbrush can injure the gums, leading to bleeding, which can be exacerbated in clients with low platelets. Therefore, advising the client to use a soft-bristled toothbrush is a crucial precaution to minimize the risk of bleeding.

Correct Answer: A

Rationale: Increasing the intake of high-calcium foods is essential for improving bone density and managing osteoporosis. Calcium is a key mineral necessary for bone health, and individuals with osteoporosis often need higher levels of calcium to help strengthen their bones and prevent further bone loss. Therefore, advising the client to increase their intake of high-calcium foods is the most appropriate dietary modification to support their bone health.

Correct Answer: B

Rationale: In this scenario, the nurse should assess pulses, paresthesia, and paralysis distal to the right knee to evaluate for neurovascular compromise. This assessment helps determine the perfusion and sensation of the lower extremity, which is crucial in identifying potential vascular or nerve damage that may be causing the client's symptoms.

Correct Answer: D

Rationale: A high white blood cell count, as seen in Client D, indicates infection, which may require postponing surgery to treat the infection adequately. It is crucial to address the underlying infection before proceeding with the appendectomy to prevent complications and ensure a successful surgical outcome.

Correct Answer: D

Rationale: The correct response is to advise the mother not to expose other children to the infected child. RSV is highly contagious, and transmission can occur even without direct oral contact. It is crucial to prevent the spread of the virus to protect other children from getting infected.