ATI RN Pharmacology 2019 III | Nurselytic

Questions 51

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ATI RN Pharmacology 2019 III Questions

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Question 1 of 5

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: The correct answer is A: Oral mucosa. Central cyanosis is characterized by bluish discoloration of the mucous membranes and is indicative of decreased oxygen saturation in the arterial blood. The oral mucosa is a highly vascular area where cyanosis can be easily observed. The nurse should assess the lips, gums, and tongue for bluish discoloration. Conjunctivae, ear lobes, and soles of the feet are not reliable indicators of central cyanosis as they are less vascular areas and may not show cyanosis as clearly as the oral mucosa. In summary, the oral mucosa is the most reliable indicator of central cyanosis due to its rich vascularity and ease of observation.

Question 2 of 5

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