Chapter 13: Peripheral Nervous System

Question 1

Olafactory nerve number and function?

Answer 1

1 and smell

Question 2

Optic nerve number and function?

Answer 2

2 and seeing

Question 3

Vestibulocochlear number and function?

Answer 3

8 and transmits information from inner ear to brain

Question 4

Oculomotor nerve number and function?

Answer 4

3 and moving, opening eyeball and constricting pupil

Question 5

Trochlear nerve number and function?

Answer 5

4 and involved in eye

Question 6

Abducens nerve number and function?

Answer 6

6 and lateral rectal muscles in eye

Question 7

Accessory nerve number and function?

Answer 7

11 and innervates certain muscles of speech

Question 8

Hypoglossal nerve number and function?

Answer 8

12 and innervates muscles of tongue

Question 9

Trigmenial nerve number and function?

Answer 9

5 and involved in swallowing

Question 10

Facial nerve number and function?

Answer 10

7 and helps in tasting

Question 11

Glossopharyngeal nerve number and function?

Answer 11

9 and helps in swallowing

Question 12

Vagus nerve number and function?

Answer 12

Ten and gastrointestinal stuff

Question 13

How do spinal nerves form?

Answer 13

Anterior and posterior roots fuse

Question 14

Which plexus works on the upper limb?

Answer 14

Brachial

Question 15

What plexus are in the lower limb?

Answer 15

Lumbar and sacral plexus

Question 16

What is the longest nerve in the body?

Answer 16

Sciatic nerve

Question 17

Where does sensory transduction occur?

Answer 17

In PNS sensory neurons

Question 18

What are receptors for pain called?

Answer 18

Nocireceptors

Question 19

What nervous system interprets sensory neurons?

Answer 19

CNS

Question 20

What is needed for reflex arc to start?

Answer 20

Detection by receptor and delivery of stimulus

Question 21

Afferent vs efferent

Answer 21

Afferent is information coming in while efferent is information going out

Question 22

What is sympathetic vs parasympathetic?

Answer 22

Fight or flight and rest or digest

Question 23

What does the PNS link the CNS to?

Answer 23

The body and external environment

Question 24

How many pairs of cervical nerves are there?

Answer 24

8

Question 25

How many pairs of spinal nerves are there?

Answer 25

31

Question 26

How many pairs of thoracic nerves are there?

Answer 26

12

Question 27

How many pairs of lumbar nerves are there?

Answer 27

5

Question 28

How many pairs of sacral nerves are there?

Answer 28

5

Question 29

How many pairs of coccygeal nerves are there?

Answer 29

1

Question 30

Is the posterior root only sensory or motor?

Answer 30

Sensory

Question 31

What is the plexus?

Answer 31

Where a bunch of nerves come together

Question 32

What is hurts when you hit your funny bone?

Answer 32

Ulnar nerve

Question 33

What is the femoral nerve?

Answer 33

Anterior thigh muscle

Question 34

What can reflexes be divided into?

Answer 34

Type of organ and number of synapses