Exam 6: A--The Peripheral Nervous System: Afferent Division; Special Senses

Complete each of the following statments. ____________________ are the receptors that experience the least amount of adaptation.

The utricle detects changes in head position away from vertical and also detects horizontally directed linear acceleration and deceleration.

Complete each of the following statments. ____________________ attach the lens to the ciliary body.

During dark adaptation:

The human ear is most sensitive to sound frequencies within the range of

Sensory information from the skeletal muscles enters the central nervous system by visceral efferent neurons.

Complete each of the following statments. The refractive structure of the eye that has the ability to change its strength is the ____________________.

Hearing aids are more beneficial in conductive deafness than in sensorineural deafness.

Complete each of the following statments. A generator potential in a receptor begins with the influx of ____________________ ions into the cell.

Taste

Complete each of the following statments. ____________________ discrimination depends of the region of the basilar membrane that vibrates.

The curvature of the lens must be adjusted to enable the eye to focus both near and far sources on the retina.

During accommodation for near vision, the

Complete each of the following statments. The ____________________ is the region of the retina where rods and cones are absent.

Actual conversion of sound vibrations to nerve impulses occurs in the

Presbyopia is characterized by

The blind spot

A single taste bud contains only one chemoreceptor that can respond to all primary tastes but generally responds preferentially to one of the taste modalities.

The circular muscle of the iris

Complete each of the following statments. The left cerebral cortex receives information from the ____________________ half of each visual field.