Chapter 7 Part 2 (Nervous System)

Question 1

What are the 3 meningeal layers superficial to deep?

Answer 1

1. Pia matter
2. Arachnoid
3. Dura

Question 2

Arachnoid meningeal layer function?

Answer 2

Cushions the brain

Question 3

Dura meningeal layer function?

Answer 3

Double layered membrane that surrounds the brain

Question 4

Pia meningeal layer function

Answer 4

Aids in the production of cerebrospinal fluid

Question 5

What is a concussion?

Answer 5

brain injury with reversible damage

Question 6

What is a contusion?

Answer 6

Brian injury with irreversible damage

Question 7

how many spinal nerves do we have?

Answer 7

31

Question 8

What does the PNS consist of?

Answer 8

Nerves and scattered ganglia

Question 9

Olfactory nerve number and function.

Answer 9

Nerve 1, Carries impulses for the sense of smell

Question 10

Optic nerve number and function.

Answer 10

Nerve 2, Carries impulses for vision

Question 11

Oculomotor nerve number and function.

Answer 11

Nerve 3, Supplies motor fibers to muscles

Question 12

Trochlear nerve number and function.

Answer 12

Nerve 4, Supplies motor fibers to the superior oblique muscle

Question 13

Trigeminal nerve number and function.

Answer 13

Nerve 5, Conducts sensory impulses from skin, face and nose, mouth and cornea.

Question 14

Abducens nerve number and function.

Answer 14

Nerve 6, Supplies motor fibers to the lateral rectus muscle

Question 15

Facial nerve number and function.

Answer 15

Nerve 7, Activates facial expression muscles and the lacrimal and salivary glands. Carries impulses from tastebuds to anterior tongue.

Question 16

Vestibulocochlear nerve number and function.

Answer 16

Nerve 8, Transmits impulses for balance and hearing

Question 17

Glossopharyngeal nerve number and function.

Answer 17

Nerve 9, Promote swallowing and saliva production, carries sensory impulses for taste buds of posterior tongue

Question 18

Vagus nerve number and function.

Answer 18

Nerve 10, Promote digestive activity and help regulate heart activity

Question 19

Accessory nerve number and function.

Answer 19

Nerve 11, Activates sternocleidomastoid and trapezius muscles

Question 20

Hypoglossal nerve number and function.

Answer 20

Nerve 12 Control tongue movements

Question 21

What is the ANS?

Answer 21

Division of nervous system that functions involuntary activities. Also innervates cardiac muscle, smooth muscle and glands.

Question 22

The sympathetic division is also referred to as the?

Answer 22

Fight or flight system

Question 23

The parasympathetic is also called?

Answer 23

Rest and digest