COA - General medical knowledge

Question 1

What makes up the central nervous system?

Answer 1

The brain and the spinal cord

Question 2

What is the largest part of the brain

Answer 2

The cerebrum

Question 3

What three layers make up the meninges?

Answer 3

1. Dura matter
2. Arachnoid
3. Pia matter

Question 4

What are the three major divisions of the brain?

Answer 4

1. The cerebral Cortex
2. The Cerebellum
3. The brainstem

Question 5

What is the function of the cerebral cortex?

Answer 5

Produces the cognitive level of brain function including speech, critical and abstract thinking, and personality.

Question 6

Which part of the brain perceives images from the retina?

Answer 6

The Occipital lobe

Question 7

What function does the opto kinetic drum test?

Answer 7

Saccades and pursuits

Question 8

What is the II cranial nerve, and what does it control?

Answer 8

Optic Nerve(s)- connects to the retinas and carries information resulting in the sense of sight.

Question 9

What is the III cranial nerve, and what does it control?

Answer 9

Oculomotor - controls the extaocular muscles, (except for the superior oblique and the lateral rectus). Controls the upper eyelid (superior levator palpebrae), pupillary dilation, and accommodation.

Question 10

What is the IV cranial nerve, and what does it control?

Answer 10

Trochlear — controls the superior oblique muscle.

Question 11

What is the V cranial nerve, and what does it control?

Answer 11

Trigeminal - has three major branches with connections to a large area of the head including the eyelids, eyeball, conjunctiva, and lachrymal gland.

Question 12

What is the VI cranial nerve, and what does it control?

Answer 12

Abducens — controls the lateral rectus muscles.

Question 13

What is the VII cranial nerve, and what does it control?

Answer 13

Facial - Facial muscles, taste, tear production by the lachrymal gland.

Question 14

The nerve pathways are made up of bundles of nerve cells called _____ which consist of _____, _____, & _____.

Answer 14

1. Neurons
2. Cell Body, Dendrites, and an Axon

Question 15

Most axons are coated with an insulating substance called _____.

Answer 15

Myelin

Question 16

What are the most possible causes of optic atrophy?

Answer 16

glaucoma, trauma, inflammation, compression (tumor), and ischemia

Question 17

______ is a swelling of the nerve caused by decreased blood flow to the nerve. It is associated with temporal arteritis.

Answer 17

Ischemic Optic Neuropathy

Question 18

Which structure keeps food from going into the lungs?

Answer 18

The epiglottis

Question 19

Normally the rate of breathing is related to the level of _______in the blood.

Answer 19

Carbon Dioxide

Question 20

The average human breathing rate is

Answer 20

12-15 per minute

Question 21

Involuntary muscles are controlled by the ______.

Answer 21

Brainstem

Question 22

Which area of the brain involves critical thinking?

Answer 22

The Cerebrum

Question 23

The trachea divides into two major branches called

Answer 23

Bronchi

Question 24

Nerve impulses travel chemically across a gap called a:

Answer 24

Synapse

Question 25

The vocal chords are contained in the:

Answer 25

Larynx