Anatomy And Physiology Lab

Question 1

Pectoralis major

Answer 1

Prime mover of arm flexion

Question 2

Serratus anterior

Answer 2

Fixes scapula for arm abduction

Question 3

External oblique

Answer 3

Trunk rotation
Lateral flexion
Compresses abdominal wall

Question 4

Internal oblique

Answer 4

Same as external oblique

Question 5

Rectus abdominis

Answer 5

Flexes vertebral column

Question 6

Transverse abdominis

Answer 6

Compresses abdominal contents

Question 7

External intercostals

Answer 7

Aid in inspiration meaning breathing in

Question 8

Internal intercostals

Answer 8

Aid in expiration meaning breathing out

Question 9

Trapezius

Answer 9

Elevate and depress shoulder

Question 10

Latissimus dorsi

Answer 10

Adducts arm

Question 11

Levator scapulae

Answer 11

Elevates scapula

Flexes neck

Question 12

Supraspinatus

Answer 12

A rotator cuff muscle

Stabilizes shoulder joint

Question 13

Infraspinatus

Answer 13

A rotator cuff muscle

Stabilizes shoulder joint

Question 14

Erector spinae

Answer 14

Extend and laterally bend the vertebral column

Question 15

Deltoid

Answer 15

Abducts the arm

Question 16

Pectoralis major

Answer 16

Flexes the shoulder

Adducts arm

Question 17

Biceps brachii

Answer 17

Flexes elbow

Supinates forearm

Question 18

Triceps brachii

Answer 18

Extends elbow

Question 19

Brachialis

Answer 19

Flexes elbow

Question 20

Brachioradialis

Answer 20

Flexes elbow

Question 21

Flexor carpi radialis

Answer 21

Flexes wrist

Abducts hand

Question 22

Flexor carpi ulnaris

Answer 22

Flexes wrist

Adducts hand

Question 23

Flexor digitorum superficialis

Answer 23

Flexes wrist and fingers 2-5

Question 24

Extensor carpi ulnaris

Answer 24

Extends wrist

Question 25

Extensor digitorum

Answer 25

Extends fingers

Question 26

Sensory

Answer 26

The ability to respond to stimuli within and around the body and to generate signals that carry information about those stimuli to the spinal cord or brain

Question 27

Integrative

Answer 27

The ability to process and receive information, store and retrieve it and make decisions as to whether or how to respond to it

Question 28

Motor

Answer 28

The ability to issue outgoing signals to muscle and gland cells to produce a response

Question 29

Central nervous system

Answer 29

CNS Composed of brain and spinal cord and is enclosed and protected by bone

Question 30

Peripheral nervous system

Answer 30

PNS Composed of nerves leading to and from the CNS

Question 31

Neurons

Answer 31

Nerve cells

Question 32

Dendrites

Answer 32

The receiving end of a neuron, the primary route by which it receives signals from other neurons

Question 33

Axon

Answer 33

The neurons output pathway for signals that it sends to other cells

Question 34

Multipolar neurons

Answer 34

One axon and multiple dendrites

Question 35

Bipolar neurons

Answer 35

One axon and one dendrite

Question 36

Unibipolar neurons

Answer 36

Have only one process leading away from the soma

Question 37

Sensory(afferent) neurons

Answer 37

Are specialized to detect stimuli and transmit information about them to the CNS

Question 38

Interneurons

Answer 38

Perform the integrative functions of the nervous system like processing, storing, and retrieving information and making decisions about how the body should respond to a given stimulus or situation

Question 39

Motor(efferent) neurons

Answer 39

Are specialized to carry outgoing signals from the CNS to the cells and organs that carry out its commands

Question 40

Myelin sheath

Answer 40

Formed by oligodendrocytes in the brain and spinal cord and Schwann cells in the peripheral nerves