Exam 4: The Peripheral Nervous System

Indicate the properties associated with each type of nociceptor by using the answer code (options may be used more than once or not at all). -responds to temperature extremes

Which one of the following is an anterior specialization of the choroid layer?

Indicate the characteristics associated with each part of the ear by using the answer code (options may be used more than once or not at all). -contains otoliths in gelatinous mass,movement of which bends hair cells

The circular muscle of the iris contracts in response to dim light.

Receptors can respond only to electrical stimulation.

The pitch of a sound is based on what?____________________.

The sclera is the most internal layer of the eye.

Which statement concerning myopia is correct?

What condition is caused by uneven curvatures in the lens?

Indicate the properties associated with each type of nociceptor by using the answer code (options may be used more than once or not at all). -transmits its signals via A-delta fibres

What happens in light adaptation?

Which statement concerning the utricle is correct?

Which statement with regards to hearing is NOT correct?

The two major components of the ciliary body are the __________,which regulates the strength of the lens,and a capillary network that produces __________.

The cochlea is primarily concerned with equilibrium.

Rods and cones synapse with __________ cells that,in turn,synapse with ganglion cells before entering the optic nerve.

The term cataract refers to the condition in which the lens becomes stiff and loses its elasticity.

How are high- and low-frequency sounds discriminated?

What does the middle layer of the retina contain?

The intensity of a stimulus is coded by the _________ of the action potentials sent along the related afferent neuron.