Adjustment to Close-Range Vision Involves All of the Following Except

question 164

Multiple Choice

Adjustment to close-range vision involves all of the following except

• A) activity of the extrinsic eye muscles.
• B) change in the curvature of the lens.
• C) constriction of the pupil.
• D) ciliary muscle activity.
• E) light adaptation.

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Definitions:

Arteriosclerosis

The thickening, hardening, and loss of elasticity of the walls of arteries, leading to restricted blood flow.

Ischemia

Restriction of blood flow to tissue or organs; often used with reference to the heart.

Embolism

The sudden blockage of a blood vessel by an embolus, typically a blood clot, leading to potentially life-threatening conditions.

Myocardial Infarctions

A medical term used for a heart attack, which occurs when blood flow to a part of the heart is blocked for a long enough time that part of the heart muscle is damaged or dies.