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?
Soles of the feet
Ear lobes
Oral mucosa
Conjunctivae
The Correct Answer is C
This is because central cyanosis reflects a decrease in arterial oxygen saturation and is best seen in areas where blood vessels are close to the surface, such as the oral mucosa, tongue, and lips. Peripheral cyanosis, which may be caused by vasoconstriction or poor circulation, can be seen in the soles of the feet, ear lobes, and nail beds, but it does not necessarily indicate hypoxemia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
The nurse should clarify with the provider why this medication is ordered and if there are any alternatives that are safer for the client. The other medications are appropriate for a client who has asthma.
Correct Answer is B
Explanation
This is because albuterol is a short-acting beta2 agonist that relaxes the smooth muscles of the airways and improves bronchodilation and airflow. Montelukast, budesonide, and cromolyn are long-term control medications that prevent inflammation and reduce the frequency of asthma attacks, but they do not provide immediate relief.
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