MA600 review 1

What are the two main divisions of the nervous system (NS)?

• brain and spinal cord

• sympathetic and parasympathetic

• central and peripheral

• somatic and autonomic

The function of a neuron is to:

• synthesize myelin

• regenerate nerve fibers

• protect nerves from damage

• transmit nerve impulses

What type of neurons carry impulses from sense receptors to the central nervous system?

How many pairs of cranial nerves are in the body?

• 31

• 10

• 8

• 12

The bending of light rays so that they can be focused on the retina is known as:

• photoreception

• accomodation

• visual acuity

• refraction

Which of the following helps prevent foreign substances from reaching the eardrum?

• cerumen

• perilymph

• auditory tube

• mucus

What nerve transmits auditory impulses to the brain for interpretation?

• cranial nerve VIII

• cranial nerve II

• cranial nerve X

• Cranial nerve V

The medical term meaning a physician who studies and treats diseases of the ear, nose, and larynx is

The medical term meaning inflammation of the middle ear is

• otitis media

• myringitis

• blepharitis

• tinnitus

The abbreviation referring to inflammation of the middle ear is

• Px

• OM

• ENT

• Ophth