A nurse is assessing a client who has asthma. Which of the following areas should the nurse evaluate as the most reliable indicator of central cyanosis?

Correct Answer: A

Rationale: Central cyanosis is best assessed by examining the oral mucosa, as it is a more reliable indicator compared to other areas like the conjunctivae, soles of the feet, and ear lobes. The oral mucosa reflects the oxygen saturation levels of the blood more accurately. Conjunctivae and ear lobes may show cyanosis, but they are not as reliable as the oral mucosa. The soles of the feet are not typically used to assess central cyanosis.

Correct Answer: A

Rationale: The correct answer is A. Instructing the client to remain still once the gel pads are attached is crucial to obtaining accurate ECG readings. Choice B is incorrect as electrodes are typically placed on the chest, not the breast. Choice C is incorrect because the client should lie flat during an ECG, not sit up. Choice D is incorrect because the client should breathe normally, rather than holding their breath, throughout the procedure.

Correct Answer: C

Rationale: Phalen's sign is often positive in clients with carpal tunnel syndrome due to nerve compression. Chvostek's sign (Choice A) is related to hypocalcemia, cool extremities (Choice B) are not typically associated with carpal tunnel syndrome, and decreased radial pulse (Choice D) is not a common finding in carpal tunnel syndrome.

Correct Answer: C

Rationale: The correct answer is C: Tingling of the extremities. Tingling is a common symptom of hypocalcemia, which is expected with low calcium levels after a thyroidectomy. Option A, shortened QT intervals, is associated with hypercalcemia rather than hypocalcemia. Option B, hypoactive deep tendon reflexes, is not typically related to hypocalcemia. Option D, constipation, is not a common finding associated with low calcium levels.

Correct Answer: D

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.