Lab 5 (Part 1) Flashcards Preview

BIO 152 > Lab 5 (Part 1) > Flashcards

Flashcards in Lab 5 (Part 1) Deck (41):
1

The PERIPHERAL NERVOUS SYSTEM (PNS) is composed of how many pairs of NERVES?

43 pair of NERVES

2

How many pairs of NERVES are connected the the BRAIN, and what are they called?

12 pairs, called CRANIAL NERVES

3

How many pairs of NERVES are connected to the SPINAL CORD, and what are they called?

31 pairs, called SPINAL NERVES

4

What is CRANIAL NERVE number 1? Describe its function.

1 = OLFACTORY NERVE, a SENSORY NERVE used for smell

5

What is CRANIAL NERVE number 2? Describe its function.

2 = OPTIC NERVE, a SENSORY NERVE used for vision

6

What is CRANIAL NERVE number 3? Describe its function.

3 = OCULOMOTOR NERVE, a MOTOR NERVE used for movements of the eye/eyelid and constriction of the pupil

7

What is CRANIAL NERVE number 4? Describe its function.

4 = TROCHLEAR NERVE, a MOTOR NERVE used for movements of the eye
e.g. looking downwards
1 of 6 eye muscles; the SUPERIOR OBLIQUE

8

What is CRANIAL NERVE number 5? Describe its function.

5 = TRIGEMINAL NERVE, a SENSORY *and* MOTOR NERVE used to detect touch, temp., and pain from face. Chewing as well

9

What is CRANIAL NERVE number 6? Describe its function.

6 = ABDUCENS NERVE, a MOTOR NERVE used for *lateral* movement of the eye

10

What is CRANIAL NERVE number 7? Describe its function.

7 = FACIAL NERVE, a SENSORY *and* MOTOR NERVE used for taste from the anterior 2/3 of the tongue, muscles of facial expression, tears, saliva, nasal mucus secretion

11

What is CRANIAL NERVE number 8? Describe its function.

8 = VESTIBULOCOCHLEAR NERVE, a SENSORY NERVE used for hearing and equilibrium, detects info about balance/movement

12

What is CRANIAL NERVE number 9? Describe its function.

9 = GLOSSOPHARYNGEAL NERVE, a SENSORY *and* MOTOR NERVE used for detecting taste from the posterior 1/3 of the tongue, sensation from face and ear, regulate BP, secretion, of saliva, and swallowing muscles

13

What is CRANIAL NERVE number 10? Describe its function.

10 = VAGUS NERVE, a SENSORY *and* MOTOR NERVE used to detect sensory info from digestive and respiratory tracts, slows down heart rate, bronchoconstriction, GI secretion and motility, swallowing muscles

14

What is CRANIAL NERVE number 11? Describe its function.

11 = ACCESSORY NERVE, a MOTOR NERVE used for the head and neck muscles (STERNOCLEIDOMASTOID and TRAPEZIUS) and the swallowing muscles

15

What is CRANIAL NERVE number 12? Describe its function.

12 = HYPOGLOSSAL NERVE, a MOTOR NERVE used to control the muscles of the tongue

16

What NERVE is involved in the following situation: Person experiences VERTIGO (dizziness and loss of balance)

8, VESTIBULOCOCHLEAR NERVE

17

What NERVE is involved in the following situation: Person experiences PTOSIS (drooping of 1 eyelid)

3, OCULOMOTOR NERVE

18

What NERVE is involved in the following situation: Person is hit in the face and has ANOSMIA (loss of smell)

1, OLFACTORY NERVE

19

What NERVE is involved in the following situation: Person with MS has vision impairment as a result of NEURITIS (NERVE inflammation)

2, OPTIC NERVE

20

What NERVE is involved in the following situation: Person has EXTORSION of 1 eye (eye rotates outwards) due to paralysis of the SUPERIOR OBLIQUE muscle

4, TROCHLEAR NERVE

21

What NERVE is involved in the following situation: Person is suffering from GASTROPARESIS, where the muscles of the stomach and intestine don't work properly

10, VAGUS NERVE

22

What NERVE is involved in the following situation: Person has DIPLOPIA (double vision) due to medial rotation of the eye

6, ABDUCENS NERVE

23

What NERVE is involved in the following situation: Person has DROPPED SHOULDER SYNDROME

11, ACCESSORY NERVE

24

What NERVE is involved in the following situation: Person has BELL'S PALSY (form of facial paralysis)

7, FACIAL NERVE

25

What NERVE is involved in the following situation: Person suffers from a type of NEURALGIA (NERVE pain) called TIC DOULOUREUX (the suicide disease)

5, TRIGEMINAL NERVE

26

What NERVE is involved in the following situation: Person has difficulty speaking and manipulating the tongue after and ENARTERECTOMY to unblock a carotid artery

12, HYPOGLOSSAL NERVE

27

What NERVE is involved in the following situation: Difficult to elicit a gag reflex

9, GLOSSOPHARYNGEAL NERVE

28

In the SOMATIC DIVISION, SPINAL NERVE contains:

MOTOR *and* SENSORY AXONS

29

In the SOMATIC DIVISION, DORSAL ROOT of SPINAL NERVE contains:

SENSORY AXONS

30

In the SOMATIC DIVISION, DORSAL ROOT GANGLION contains:

SENSORY CELL BODIES

31

In the SOMATIC DIVISION, VENTRAL ROOT of SPINAL NERVE contains:

MOTOR AXONS

32

In the AUTONOMIC DIVISION, VENTRAL RAMUS of SPINAL NERVE is made up of:

efferent (both AUTONOMIC and SOMATIC) fibers

33

In the AUTONOMIC DIVISION, RAMI COMMUNICANTES (pl) connects to:

AUTONOMIC SYMPATHETIC GANGLION division of ANS

34

In the AUTONOMIC DIVISION, SYMPATHETIC GANGLIA form:

CHAIN GANGLIA, house CELL BODIES of VISCERAL MOTOR NEURONS

35

In the AUTONOMIC DIVISION, SYPATHETIC TRUNK is:

the fibers of ANS

36

What are the 4 NERVE PLEXUSES?

1) CERVICAL PLEXUS
2) BRACHIAL PLEXUS
3) LUMBAR PLEXUS
4) SACRAL PLEXUS

37

How many CERVICAL NERVES are there?

8

38

How many THORACIC NERVES are there?

12

39

How many LUMBAR NERVES are there?

5

40

How many SACRAL NERVES are there?

5

41

How many COCCYGEAL NERVES are there?

1