Deck 11: The Muscular System

Question 1

Chuck has a rotator cuff injury.Which muscles and associated structures are most commonly involved in this type of injury? What sorts of activities commonly cause this injury?

Answer 1

No Answer

Question 2

Motion will occur in a muscle when the ______ supplied exceeds the _______.

A)effort,load
B)resistance,lever
C)load,effort
D)load,resistance
E)lever,effort

Answer 2

A

Question 3

Discuss the roles of agonists,antagonists,synergists,and fixators in movement.

Answer 3

No Answer

Question 4

The muscle that serves as the "prime mover" during a movement is called the

A)antagonist.
B)agonist.
C)synergist.
D)asynergist.
E)fixator.

Question 5

Which one represents a second-class lever?

A)A
B)B
C)C
D)All of these choices
E)None of these choices

Question 6

In the diagram,where is the effort?

A)A
B)B
C)C
D)All of these choices
E)None of these choices

Question 7

Briefly describe the three categories of levers based on the position of their fulcrum.Give an example of each type of lever and state whether the lever works at a mechanical advantage,disadvantage or both.

Question 8

A lever is acted on at two different points by two different forces which are called the

A)fulcrum and resistance.
B)leverage and load.
C)lever and resistance.
D)effort and load.
E)lever and effort.

Question 9

Name the three groups of muscles constituting the intrinsic muscles of the hand.Briefly describe the structure and function of each of these groups.

Question 10

Which of the following is NOT a characteristic commonly used to name skeletal muscles?

A)Size
B)Shape
C)Number of origins
D)Sites of origins
E)Thickness of fibers

Question 11

Name and describe the locations and actions of the muscles typically used in breathing.

Question 12

With reference to the effort and load,describe the main difference between a lever operating with a mechanical advantage versus a lever operating at a mechanical disadvantage.

Question 13

This type of muscle works by stabilizing the origin of the agonist so that it can act more efficiently.

A)synergist
B)agonist
C)antagonist
D)fixator
E)secondary mover

Question 14

Most muscles cross at least one

A)tendon
B)joint
C)bone
D)ligament
E)body plane

Question 15

Which of the following is NOT a common arrangement of muscle fascicles?

A)pennate
B)triangular
C)oval
D)parallel
E)fusiform

Question 16

Briefly describe four main benefits of stretching before exercising.

Question 17

In the diagram,where is the fulcrum?

A)A
B)B
C)C
D)All of these choices
E)None of these choices

Question 18

The attachment of a muscle's tendon to the stationary bone is called the ______;the attachment of the muscle's other tendon to the movable bone is called the ______.

A)origin,action
B)insertion,action
C)origin,insertion
D)insertion,origin
E)insertion,action

Question 19

This type of fascicle arrangement has the fascicles spread over a broad area and converges at a thick central tendon.

A)triangular
B)pennate
C)circular
D)fusiform
E)multipennate

Question 20

What anatomical structures of the musculoskeletal system correspond to the components of a lever system? Describe the arrangement of these parts in first,second,and third class lever systems.

Question 21

Where is the soleus?

A)A
B)C
C)E
D)I
E)H

Question 22

Where is the deltoid?

A)C
B)D
C)F
D)G
E)I

Question 23

Where is the levator palpebrae superioris?

A)B
B)D
C)E
D)F
E)G

Question 24

Where is the orbicularis oculi?

A)D
B)E
C)F
D)G
E)H

Question 25

Where is the extensor carpi ulnaris?

A)C
B)D
C)F
D)G
E)H

Question 26

Where is the buccinator?

A)F
B)G
C)I
D)J
E)K

Question 27

Where is the depressor anguli oris?

A)K
B)L
C)M
D)N
E)None of these choices

Question 28

Where is the zygomaticus major?

A)B
B)E
C)F
D)G
E)H

Question 29

Where is the gastrocnemius?

A)C
B)D
C)G
D)H
E)I

Question 30

Where is the masseter?

A)A
B)B
C)F
D)G
E)H

Question 31

Where is the mentalis?

A)J
B)K
C)L
D)M
E)N

Question 32

Where is the extensor digitorum longus?

A)D
B)E
C)H
D)I
E)None of these choices

Question 33

Where is the rectus femoris?

A)A
B)B
C)C
D)D
E)I

Question 34

Where are the thenar muscles?

A)D
B)E
C)G
D)H
E)None of these answers are correct.

Question 35

Where is the external oblique?

A)D
B)G
C)H
D)I
E)E

Question 36

Where is the latissimus dorsi?

A)A
B)B
C)F
D)G
E)I

Question 37

Where is the teres minor?

A)F
B)G
C)C
D)D
E)None of these choices

Question 38

Where is the medial rectus?

A)C
B)D
C)E
D)F
E)G

Question 39

Where is the inferior rectus?

A)A
B)C
C)E
D)F
E)G

Question 40

Where is the masseter?

A)A
B)B
C)G
D)I
E)E

Question 41

Where is the transverse abdominus?

A)D
B)E
C)F
D)H
E)I

Question 42

Where is the adductor pollicis?

A)B
B)C
C)D
D)G
E)H

Question 43

Where is the infraspinatus?

A)E
B)F
C)G
D)H
E)I

Question 44

Where is the pronator quadratus?

A)G
B)H
C)I
D)J
E)None of these choices

Question 45

Where is the serratus anterior?

A)A
B)B
C)C
D)D
E)G

Question 46

Where is the rhomboid minor?

A)D
B)E
C)F
D)J
E)E

Question 47

Where is the brachioradialis?

A)A
B)B
C)C
D)D
E)E

Question 48

Where is the flexor digitorum superficialis?

A)D
B)E
C)F
D)G
E)H

Question 49

Where is the abductor digiti minimi?

A)B
B)C
C)E
D)F
E)G

Question 50

Where is the splenius capitis?

A)A
B)B
C)C
D)K
E)L

Question 51

Where is the external oblique?

A)D
B)E
C)F
D)H
E)I

Question 52

Where is the levator scapulae?

A)H
B)F
C)I
D)L
E)A

Question 53

Where is the lastissimus dorsi?

A)A
B)B
C)C
D)D
E)I

Question 54

Where is the longissimus cervicis?

A)D
B)E
C)K
D)L
E)G

Question 55

Where is the flexor carpi radialis?

A)D
B)E
C)F
D)G
E)H

Question 56

Where is the flexor pollicis brevis?

A)C
B)E
C)F
D)G
E)H

Question 57

Where is the lateral rectus?

A)C
B)D
C)E
D)F
E)G

Question 58

Where is the coracobrachialis?

A)B
B)C
C)D
D)G
E)H

Question 59

Where is the rhomboid major?

A)E
B)F
C)G
D)H
E)I

Question 60

Where is the supraspinatus?

A)E
B)F
C)G
D)H
E)I

Question 61

Where is the palmar interossei?

A)F
B)G
C)H
D)I
E)J

Question 62

Where is the opponens digiti minimi?

A)E
B)F
C)G
D)H
E)None of these choices

Question 63

Which three muscles make up the hamstring?

A)L,M,N
B)E,F,G
C)H,I,J
D)I,J,K
E)A,B,C

Question 64

Where is the longissimus cervicis?

A)B
B)C
C)G
D)H
E)I

Question 65

Where is the semispinalis capitis?

A)D
B)E
C)F
D)G
E)H

Question 66

Where is the piriformis?

A)B
B)E
C)F
D)G
E)H

Question 67

Where is the inferior gemellus?

A)E
B)F
C)G
D)H
E)I

Question 68

Where is the iliacus?

A)A
B)B
C)C
D)H
E)None of these choices

Question 69

Where is the obturator internus?

A)B
B)G
C)H
D)I
E)J

Question 70

Where is the gracilis?

A)H
B)I
C)J
D)K
E)L

Question 71

Where is the sartorius?

A)A
B)B
C)C
D)D
E)None of these choices

Question 72

Where is the semimembranosus?

A)C
B)D
C)L
D)M
E)N

Question 73

Where is the rotatore?

A)K
B)O
C)P
D)N
E)M

Question 74

Where is the vastus intermedius?

A)D
B)E
C)F
D)G
E)H

Question 75

What is the insertion of the muscle labeled R?

A)upper lip
B)mandible
C)medial wall of orbit
D)skin at the corner of the mouth
E)skin of the eyebrow

Question 76

Where is the splenius capitis?

A)A
B)B
C)C
D)H
E)I

Question 77

Where is the spinalis thoracis?

A)L
B)M
C)N
D)D
E)E

Question 78

Where is the adductor longus?

A)H
B)I
C)J
D)K
E)L

Question 79

Where is the semitendinosus?

A)J
B)K
C)L
D)M
E)N

Question 80

Where is the semispinalis cervicis?

A)K
B)M
C)N
D)O
E)P