Final 1

Question 1

Where are cell bodies of sensory neurons located?

Answer 1

Dorsal Root Ganglion

Question 2

Peripheral nerves are branches from the _____ and ______ rami.

Answer 2

Ventral

Dorsal

Question 3

What conducts signals between spinal cord and the sympathetic ganglia?

Answer 3

Communicants

Question 4

Cervical Plexus #?

Answer 4

C1-C4

Question 5

Brachial Plexus #?

Answer 5

C5-T1

Question 6

Lumbar Plexus #?

Answer 6

T12-L4

Question 7

Sacral Plexus #?

Answer 7

L4-S2

Question 8

What does the Cervical Plexus innervate?

Answer 8

• Muscle and skin of the neck and upper shoulder

- partial innervation of diaphragm (C3-C5)

Question 9

What does the Lumbar Plexus innervate?

Answer 9

Lower abdomen and anterior and medial portions of the lower extremity

Question 10

Largest and longest femoral cutaneous branch?

Answer 10

Saphenous Nerve

Question 11

Result of Ulnar Nerve damage?

Answer 11

Claw Hand

Question 12

Result of Radial Nerve damage?

Answer 12

Wrist drop

Question 13

Result of Median Nerve damage?

Answer 13

Ape Hand

Question 14

Difference between Dermatomes and Peripheral Nerves?

Answer 14

Dermatomes have a single nerve root while Peripheral Nerves are made of multiple nerves roots and usually innervate a certain area of the body

Question 15

Two branches of Autonomic Nervous System?

Answer 15

Sympathetic and Parasympathetic

Question 16

Another name for Sympathetic system?

Answer 16

-Thoracolumbar Division

Question 17

Sympathetic is located where?

Answer 17

Lateral horns of gray matter of spinal cord from T1-L2

Question 18

What does the sympathetic system do?

Answer 18

Prepares for strenuous activity (fight of flight)

Question 19

Another name for parasympathetic system?

Answer 19

Craniosacral Division

Question 20

Parasympathetic is located where?

Answer 20

• Nuclei of Cranial Nerves 3, 7, 9, 10

- In gray matter of lateral horns of 2nd-4th Sacral

Question 21

Vagus Nerve carries ___% of parasympathetic fibers.

Answer 21

75

Question 22

Dorsal Afferent?

Answer 22

Sensory

Question 23

Ventral Efferent?

Answer 23

Motor

Question 24

Small Ships Make Money But My Brother Says Big Boats Make More

Answer 24

Sensory vs Motor or both

Question 25

Cranial Nerves | 1,2,3,4,5,6,7,8,9,10,11,12

Answer 25

``` Olfactory 1 Optic 2 Oculomotor 3 Trochlear 4 Trigeminal 5 Abducens 6 Facial 7 Auditory 8 Glossopharyngeal 9 Vagus 10 Accessory 11 Hypoglossal 12 ```

Question 26

Agonist?

Answer 26

The worker muscle, the muscle that causes the desired action

Question 27

Antagonist?

Answer 27

A muscle that can cause movement opposite to the agonist

Question 28

True Antagonist?

Answer 28

has exactly the opposite action or actions of the agonist

Question 29

Stabilizer?

Answer 29

A muscle that fixes or holds a bone so the agonist can do the intended movement, eliminates undesirable movement (static or dynamic)

Question 30

Static example?

Answer 30

rectus abdominins while doing leg raises

Question 31

Dynamic example?

Answer 31

serratus anterior while doing shoulder horizontal abduction

Question 32

Synergist?

Answer 32

a muscle that has at least one antagonistic action to the agonist and contracts to eliminate undesirable movement , thus enabling the agonist to be more efficient. (true synergy)

Question 33

Example of synergist?

Answer 33

wrist and finger flexors and wrist extensors

Question 34

Neutralizer?

Answer 34

a muscle that has a common and an antagonistic action with the agonist. The antagonistic actions cancel each other out and the common action results

Question 35

Example of neutralizer?

Answer 35

Deltoid- anterior and posterior | Hamstrings- biceps and semitendinosus and semimemranosus

Question 36

Co-contraction?

Answer 36

the simultaneous contraction of antagonistic muscles

Question 37

Co-contraction seems to be the ______ rather than the _____.

Answer 37

rule | exception

Question 38

A lever system consists of:

Answer 38

1. axis of rotation around which a rigid lever moves | 2. motive torques and resistive torques

Question 39

Motive Torques?

Answer 39

act to move (rotate) the lever

Question 40

Resistive Torques?

Answer 40

act to resist the rotation of the lever

Question 41

Torque?

Answer 41

a turning or rotary force, the product of force and the perpendicular distance from the line of action of the force to the axis of rotation

Question 42

First Class Lever?

Answer 42

the fulcrum or axis of rotation is between the motive and resistive torques

Question 43

First class levers are ______ in musculoskeletal system.

Answer 43

unusual

Question 44

Example of first class lever?

Answer 44

Elbow extension

Question 45

Second Class Lever?

Answer 45

the resistive torque is between the fulcrum and the motive force

Question 46

Examples of 2nd class levers?

Answer 46

wheelbarrow

Question 47

2nd class levers are unusual (________) in the musculoskeletal system where the muscles are the ______ force.

Answer 47

concentrically | motive

Question 48

3rd Class Lever?

Answer 48

the motive torque is between the fulcrum and the resistive torque

Question 49

3rd class lever example?

Answer 49

shoveling

Question 50

Most levers in the body are ____ class.

Answer 50

3rd

Question 51

Kinesiology?

Answer 51

human kinetics, the scientific study of human movement

Question 52

Open Chain?

Answer 52

distal segment free to move

Question 53

Close chain?

Answer 53

proximal segment does the movement

Question 54

Roll Rule?

Answer 54

roll is always in the same direction of bone movement

Question 55

Convex Rule?

Answer 55

Roll and glide occur in opposites directions

Question 56

Concave Rule?

Answer 56

Roll and glide occur in the same direction