Which site will provide the most accurate pulse oximetry reading in the event of low peripheral perfusion?

a. Toe c. Earlobe
b. Thumb d. First digit

ANS: C
The earlobe is more central and is not as susceptible to reductions in peripheral perfusion as are the fingers and toes.

Health Professions

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The condition of skin inflammation that presents with red pimple-like bumps characterized by itching, blistering, or oozing areas that progress to scaly, brownish, or thickened skin is known as:

A) Eczema. B) Psoriasis. C) Acne. D) Rash.

Health Professions

The paranasal sinuses secrete mucous that helps humidify and warm air as it enters the respiratory system

Indicate whether the statement is true or false

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