The nurse is checking the patient's overall oxygenation. In assessment of the presence of central cyanosis, which of the following areas will the nurse inspect?
a. The patient's palms and soles of the feet
b. The patient's nail beds
c. The patient's earlobes
d. The patient's tongue
D
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A Peripheral cyanosis seen in the palms and soles of the feet is often a result of vasoconstriction and stagnant blood flow.
B Peripheral cyanosis seen in the nail beds is often a result of vasoconstriction and stagnant blood flow.
C Peripheral cyanosis seen in the earlobes is often a result of vasoconstriction and stagnant blood flow.
D Central cyanosis is observed in the tongue, soft palate, and conjunctiva of the eye, where blood flow is high. Central cyanosis indicates hypoxemia.
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