Nerves

Question 1

Contains unmyelinated axons

Answer 1

Gray matter

Question 2

Contains myelinated axons

Answer 2

White matter

Question 3

How many pairs of nerves are there?

Answer 3

31 pairs of nerves

Question 4

What are the 4 major plexuses?

Answer 4

• Cervical plexus
• Brachial plexus
• Lumbar plexus
• Sacral plexus

Question 5

Largest region of the brain where conscious thought and all intellectual functions originate.

Answer 5

Cerebrum

Question 6

Elevated ridges which increase the surface area of the cerebral cortex.

Answer 6

Gyri

Question 7

Shallow depressions in the brain.

Answer 7

Sulci

Question 8

Deeper grooves in the brain.

Answer 8

Fissures

Question 9

In the cerebrum is found in the cerebral cortex and in the basal nuclei

Answer 9

Gray matter

Question 10

Lies under the cerebral cortex and surrounds the basal nuclei

Answer 10

White matter

Question 11

Left or right side are called______

Answer 11

Hemispheres

Question 12

Divides the left and right hemishperes

Answer 12

Longitudinal fissure

Question 13

Primary cortex that voluntarily controls skeletal muscles, cognition, reasoning, and logic.

Answer 13

Frontal lobe

Question 14

Primary sensory cortex that controls the conscious perception of touch, pressure, vibration, pain, temperature, and taste.

Answer 14

Parietal lobe

Question 15

Visual cortex that controls the conscious perception of visual stimulus

Answer 15

Occipital lobe

Question 16

Auditory cortex and olfactory cortex that control the conscious perception of auditory and olfactory stimuli.

Answer 16

Temporal lobe

Question 17

Endocrine gland that releases nine hormones.

Answer 17

Pituitary gland

Question 18

Stalk that connects the pituitary gland to the hypothalamus

Answer 18

Infundibulum

Question 19

Prominent areas that process sensory information including olfactory sensations and control reflex movements associated with eating (chewing, licking, and sucking)

Answer 19

Mammillary bodies

Question 20

Area where the optic nerves cross before entering the brain.

Answer 20

Optic Chiasm

Question 21

Prominent structures associated with the hypothalamus are: 4

Answer 21

• Pituitary gland
• Infundibulum
• Mammillary bodies
• Optic Chiasm

Question 22

Second largest portion of the brain

Answer 22

Cerebellum

Question 23

Regulates posture and balance

Answer 23

Cerebellum

Question 24

Compares the intended and actual movements to refine learned movement patterns

Answer 24

Cerebellum

Question 25

Includes the medulla oblongata, pons, and midbrain (mesenchephalon)

Answer 25

Brainstem

Question 26

Which cranial nerves control movement of the eye?

Answer 26

• Oculomotor (3)
• Trochlear (4)
• Abducens (6)