The Nurse Is Caring for a Patient Who Is in an Air-Fluidized

question 22

Multiple Choice

The nurse is caring for a patient who is in an air-fluidized bed.She places the patient in a semi-Fowler's position using foam wedges,even though she realizes that:

• A) Patients gain the greatest benefit from the prone position in an air-fluidized bed
• B) For resuscitation, she may have to increase the air pressure of the bed to do CPR
• C) She may have to increase the air pressure of the bed to turn the patient
• D) The foam wedges may decrease the effects of the bed

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Definitions:

Retina

The light-sensitive layer at the back of the eye, containing cells that convert light into neural signals.

Optic Nerve

The optic nerve is a paired nerve that transmits visual information from the retina to the brain.

Iris

The colorful segment of the eye that modulates pupil dimension and the level of light that gets in.

Trichromatic Receptor Theory

A theory of color vision stating that the human eye has three types of receptors with differing sensitivities to light wavelengths, corresponding to red, green, and blue colors.