The Ciliary Muscle

question 84

Multiple Choice

The ciliary muscle

• A)controls the eardrum.
• B)controls the shape of the lens to allow focusing.
• C)holds the bones of the middle ear in place.
• D)enables the eyeball to move so that a person may see an object without moving the head.
• E)is responsible for the size of the pupil in different light intensities.

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Definitions:

Decreased Glucose

A condition characterized by lower than normal levels of glucose in the blood, also known as hypoglycemia.

Cheyne-Stokes Respirations

A pattern of breathing marked by a gradual increase in depth followed by a decrease, resulting in temporary cessation of breathing.

Intracranial Pressure (ICP)

Refers to the pressure inside the skull and thus in the brain tissue and cerebrospinal fluid.

Extension or Flexion Posturing

Neurological postures that indicate severe brain damage, where extension posturing involves stiffening of the limbs away from the body, and flexion posturing involves stiffening of the limbs towards the body.