Which of the Following Statements Are True of the Parts

question 30

Multiple Choice

Which of the following statements are true of the parts of the eye? (Read carefully and select all of the correct statements.)

• A)Vitreous humor is reabsorbed into the canal of Schlemm.
• B)The radial muscles of the iris constrict the pupil.
• C)The white of the eye is formed by the sclera.
• D)The choroid layer absorbs light within the eyeball.
• E)The conjunctiva are kept moist by tears secreted by the lacrimal glands.
• F)The retina is the innermost layer of the eyeball.
• G)The ciliary muscle is a circular smooth muscle that changes the shape of the cornea.
• H)Aqueous humor is the tissue fluid of the eye; it nourishes the lens and cornea.

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Definitions:

Endorphins

Natural, pain-relieving chemicals produced by the body that are released in response to stress, pain, or exercise, promoting feelings of pleasure or well-being.

Vestibular Sense

The sense that provides information about the body’s orientation in space.

Kinesthetic Sense

The sense providing information about the position and movement of body parts.

Gate-Control Theory

A theory proposing that the spinal cord contains a neurological "gate" that either blocks pain signals or allows them to continue on to the brain.