The Average Length of Time That a Presidential Candidate Was

question 19

Multiple Choice

The average length of time that a presidential candidate was given to talk uninterrupted in 1968 was _______; in 2004 it was ________.

• A)5 seconds; 5 seconds
• B)43 seconds,8 seconds
• C)8 minutes; 5 seconds
• D)8 minutes; 5 minutes
• E)10 minutes; 10 seconds

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Definitions:

Retina

A thin layer of tissue located at the back of the eye, containing cells sensitive to light that trigger nerve impulses that pass via the optic nerve to the brain, where a visual image is formed.

Ciliary Body

A structure in the eye that includes the ciliary muscle, which controls the shape of the lens, and the ciliary epithelium, which produces the aqueous humor.

Accommodation

The process by which the eye changes optical power to maintain a clear image (focus) on an object as its distance varies.

Nystagmus

Involuntary, rapid, and repetitive movement of the eyeballs, which can be horizontal, vertical, or rotary.