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Anatomy and Physiology > Study Guide ch.10 > Flashcards

Study Guide ch.10 Flashcards

1
Q

An entire skeletal muscle is covered by a coarse sheath called:

a) endomysium
b) perimysium
c) epimysium
d) aponeurosis

A

epimysium

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2
Q

Muscles that are arranged like the feathers in a pulme are described as:

a) parallel
b) convergent
c) sphincter
d) pennate

A

pennate

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3
Q

An aponeurosis is:

a) broad and flat
b) tube-shaped
c) featherlike
d) none of the above

A

broad and flat

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4
Q

Antagonists are muscles that:

a) oppose prime movers
b) facilitate prime movers
c) stabilize muscles
d) directly perform movements

A

oppose prime movers

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5
Q

A fixed point about which a rod move is called a:

a) lever
b) bone
c) belly
d) fulcrum

A

fulcrum

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6
Q

In first-class levers, the:

a) fulcrum is between the pull and the load
b) load is between the fulcrum and the force
c) force is between the fulcrum and the load
d) load and force are equal

A

fulcrum is between the pull and the load

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7
Q

True or False

The origin of a muscle is the point of attachment that moves when the muscle contracts

A

False

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8
Q

True or False

Skeletal muscles usually act in groups rather than individually

A

True

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9
Q

True or False

Prime mover and agonist are synonymous

A

True

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10
Q

The optimum angle of pull of a muscle is generally parallel to the long axis of the bone

A

`Flase

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11
Q 
True or False
Tipping the head back, as in looking up at the sky, is an example of a first-class lever
A

True

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12
Q

Wrinkling the forehead vertically

A

Corrugator supercilii

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13
Q

Grating the teeth during mastication

A

Pterygoids

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14
Q

Smiling

A

Buccinator

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15
Q

Raising the eyebrows

A

Epicranius

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16
Q

Flexing the head

A

Strenocleidomastoid

17
Q

Closing the eyes

A

Orbicularis oculi

18
Q

True or False

The external oblique compresses the abdomen

A

True

19
Q

True or False

The rectus abdominis flexes the trunk

A

True

20
Q

True or False

The levator ani closes the anal canal

A

False

21
Q

True or False

The external intercostals function to elevate the ribs

A

True

22
Q

True or False

The coccygeus muscles and levator ani form most of the pelvic floor

A

True

23
Q

All of the following are rotatir cuff muscles except:

a) deltoid
b) infraspinatus
c) supraspinatus
d) teres minor

A

deltoid

24
Q

The muscle that shrugs the shoulders is the:

a) sternocleidomastoid
b) deltoid
c) trapezius
d) pectoralis minor

A

Trapezius

25
Q

The posterior arm muscle that extends the forearm is the:

a) triceps brachii
b) triceps surae
c) brachialis
d) biceps brachii

A

triceps brachii

26
Q

The olecranon process of the ulna is a site of insertion for the:

a) biceps brachii
b) brachialis
c) brachioradialis
d) triceps brachii

A

Triceps brachii

27
Q

True or False

Intronsic muscles of the hand originate on the forearm and insert on the metacarpals

A

False

28
Q

True or False

Carpal tunnel syndrome affects the median nerve

A

True

29
Q

True or False

The deltoid is a good example of a multifunctional muscle

A

True

30
Q

True or False

The pectorialis major flexes the upper arm

A

True

31
Q

True or False

The biceps brachii is an extensor muscle

A

False

32
Q

The muscles of quadriceps femoris include all of the following except:

a) vastus intermedius
b) vastus medialis
c) vastus lateralis
d) vastus femoris

A

vastus femoris

33
Q

The anterior superior iliac spine is the site of origin for the:

a) sartorius
b) rectus femoris
c) gracilis
d) iliacus

A

sartorius

34
Q

A common site for intramuscular injections is the:

a) gluteus maximus
b) gluteus minimus
c) gluteus medius
d) tensor fasciae latae

A

Gluteus minimus

35
Q

Plantar flexion of the foot is achieved by the:

a) tibialis anterior
b) tibialis posterior
c) peroneus brevis
d) soleus

A

soleus

36
Q

The muscles of the hamstrings include all of the following except the:

a) iliopsoas
b) semitendonosus
c) semimembranosus
d) biceps femoris

A

iliopsoas

37
Q

True or False

The achilles tendon is common to both the gastocnemius and soleus

A

True

38
Q

True or False

The iliopsoas is composed solely of the psoas major and the iliacus

A

False

39
Q

True or False

The vastus intermedius originates on the posterior surface of the femur

A

False

Anatomy and Physiology (16 decks)

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