FINAL 02 - Muscular System

Question 1

Are responsible for all types of body movement

Answer 1

Muscles

Question 2

2 prefixes that refer to “muscle”

Answer 2

myo-, mys-

Question 3

Prefix that refers to “flesh”

Answer 3

Sarco-

Question 4

Individual muscle cells that make up the skeletal muscles

Answer 4

Muscle fiber

Question 5

Specialized plasma membrane

Answer 5

Sarcolemma

Question 6

Long organelles inside muscle cell

Answer 6

Myofibrils

Question 7

Light band; contains only thin filaments

Answer 7

I band

Question 8

Dark band; contains the entire length of the thick filaments

Answer 8

A band

Question 9

Center of each sarcomere which consists only of myosin myofilaments

Answer 9

H zone

Question 10

The myosin myofilaments are anchored in the center of the sarcomere

Answer 10

M line

Question 11

Contractile unit of a muscle fiber

Answer 11

Sarcomere

Question 12

Specialized smooth endoplasmic reticulum

Answer 12

Sarcoplasmic reticulum

Question 13

7 ways to name muscles

Answer 13

Location, Size, Shape, Orientation, Origin and insertion, Number of heads, Function

Question 14

Attachment to an immovable bone

Answer 14

Origin

Question 15

Attachment to a movable bone

Answer 15

Insertion

Question 16

2 types of body movements

Answer 16

Flexion, Extension

Question 17

Decreases the angle of the joint

Answer 17

Flexion

Question 18

Increases angle between two bones

Answer 18

Extension

Question 19

Extension between 180°

Answer 19

Hyperextension

Question 20

Movement of a bone around its longitudinal axis

Answer 20

Rotation

Question 21

Movement of a limb away from the midline

Answer 21

Abduction

Question 22

Movement of a limb toward the midline

Answer 22

Adduction

Question 23

Combination of flexion, extension, abduction, and adduction

Answer 23

Circumduction

Question 24

Lifting the foot so that the superior surface approaches the shin

Answer 24

Dorsiflexion

Question 25

Depressing the foot/pointing the toes

Answer 25

Plantar flexion

Question 26

Turn sole of foot medially

Answer 26

Inversion

Question 27

Turn sole of foot laterally

Answer 27

Eversion

Question 28

Forearm rotates laterally so palm faces anteriorly

Answer 28

Supination

Question 29

Forearm rotates medially so palm faces posteriorly

Answer 29

Pronation

Question 30

Move thumb to touch the tips of other fingers on the same hand

Answer 30

Opposition

Question 31

Adducts and flexes the humerus

Answer 31

Pectoralis major

Question 32

Raise rib cage during inhalation

Answer 32

External intercostals

Question 33

Depress the rib cage to move air out of the lungs when you exhale forcibly

Answer 33

Internal intercostals

Question 34

Inspiration; elevates the ribs

Answer 34

Scalene

Question 35

Flexes vertebral column and compresses abdominal contents

Answer 35

Rectus abdominis

Question 36

Compresses abdominal contents

Answer 36

Transversus abdominis

Question 37

Flexes vertebral column; rotates trunk and bends it laterally

Answer 37

External and internal oblique

Question 38

Elevates, depresses, adducts, and stabilizes the scapula

Answer 38

Trapezius

Question 39

Extends and adducts the humerus

Answer 39

Latissimus dorsi

Question 40

Flexes the spine laterally

Answer 40

Quadratus lumborum

Question 41

Arm abduction

Answer 41

Deltoid

Question 42

Back extension

Answer 42

Erector spinae

Question 43

Supinates forearm, flexes elbow

Answer 43

Biceps brachii

Question 44

Elbow flexion

Answer 44

Brachialis

Question 45

Weak muscle; elbow flexion

Answer 45

Brachioradialis

Question 46

Elbow extension (antagonist to biceps brachii)

Answer 46

Triceps brachii

Question 47

Wrist flexion

Answer 47

Flexor carpi

Question 48

Finger flexion

Answer 48

Flexor digitorum

Question 49

Wrist extension

Answer 49

Extensor carpi

Question 50

Finger extension

Answer 50

Extensor digitorum

Question 51

Hip extension

Answer 51

Gluteus maximus

Question 52

Hip abduction; steadies pelvis when walking

Answer 52

Gluteus medius

Question 53

Hip flexion; keeps the upper body from falling backward when standing erect

Answer 53

Iliopsoas

Question 54

Adduct the thighs

Answer 54

Adductor muscles

Question 55

Thigh extension and knee flexion

Answer 55

Hamstring group

Question 56

Flexes the thigh

Answer 56

Sartorius

Question 57

Extends the knee

Answer 57

Quadriceps group

Question 58

Dorsiflexion; foot inversion

Answer 58

Tibialis anterior

Question 59

Toe extension and dorsiflexion of the foot

Answer 59

Extensor digitorum longus

Question 60

Planter flexion; foot eversion

Answer 60

Fibularis muscles

Question 61

Plantar flexion

Answer 61

Soleus

Question 62

Compresses the cheeks and lips against teeth

Answer 62

Buccinator

Question 63

Depresses the angle of the mouth

Answer 63

Depressor anguli oris

Question 64

Raises the upper lip

Answer 64

Levator labii superioris

Question 65

Raises the eyebrows

Answer 65

Occipitofrontalis

Question 66

Closes the eyelids

Answer 66

Orbicularis oculi

Question 67

Draws out the angle of the mouth

Answer 67

Risorius

Question 68

Elevates and abducts the upper lip

Answer 68

Zygomaticus major/minor

Question 69

Elevates and retracts the mandible

Answer 69

Temporalis

Question 70

Elevates and protracts mandible

Answer 70

Masseter

Question 71

Retracts and depresses mandible

Answer 71

Lateral pterygoid

Question 72

Protracts and elevates mandible

Answer 72

Medial pterygoid

Question 73

Flexors and extensors of the neck

Answer 73

Neck flexor and extensor

Question 74

Individually rotates the head

Answer 74

Sternocleidomastoid

Question 75

Extends the head and neck

Answer 75

Trapezius

Question 76

Depresses the mandible

Answer 76

Platysma