The Circular Muscle of the Iris

question 135

Multiple Choice

The circular muscle of the iris

• A) contracts in response to bright light to produce pupillary constriction.
• B) is innervated by the parasympathetic nervous system.
• C) contracts to slacken the suspensory ligaments and increase the strength of the lens during accommodation.
• D) both (a) and (b) above.
• E) all of these answers.

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Definitions:

Anorexia Nervosa

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Other Disorders

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An emotional state of concern and fretfulness towards a situation whose conclusion is not yet determined.

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Medical facilities that specialize in helping individuals lose weight, often through a combination of diet, exercise, and behavioral therapy.