Correct Answer: B

Rationale: When collecting a stool specimen, the nurse should usually take about 1 inch of the specimen or a teaspoonful for testing purposes. This amount is sufficient for laboratory analysis and helps ensure accurate results. It is important for the nurse to follow the proper procedure for specimen collection to maintain accuracy in diagnostic testing.

Correct Answer: B

Rationale: When collecting a stool specimen, the nurse should usually take about 1 inch of the specimen or a teaspoonful for testing purposes. This amount is sufficient for laboratory analysis and helps ensure accurate results. It is important for the nurse to follow the proper procedure for specimen collection to maintain accuracy in diagnostic testing.

Correct Answer: D

Rationale: The correct answer is D because elevating the head of the bed reduces the risk of aspiration, and warming the formula to room temperature helps prevent discomfort and complications. Choice A is incorrect as only licensed healthcare professionals should aspirate and measure the amount of gastric aspirate. Choice B is correct as it helps prevent aspiration. Choice C is correct as warming the formula can prevent discomfort.

Correct Answer: C

Rationale: The correct answer is C: 'It is a circular process of continued nursing care.' The four-step method of assessment, planning, implementation, and evaluation is a continuous and cyclical process in nursing care. Choice A is incorrect because the method is not solely problem-focused but involves multiple steps. Choice B is incorrect as it does not capture the structured nature of the four-step method. Choice D is incorrect as it implies a random approach rather than a systematic and organized process.

Correct Answer: A

Rationale: The correct answer is to instruct the client to walk 15 to 20 minutes three times a day. Walking helps improve circulation and reduces the risk of complications following sclerotherapy. Choice B, keeping the legs in the dependent position when sitting, is incorrect as it can increase venous pressure. Choice C, removing compression bandages before going to bed, is incorrect as compression should be maintained as per healthcare provider's instructions. Choice D, performing Berger-Allen exercises four times a day, is incorrect as these exercises may not be specifically recommended post-sclerotherapy.