Deck 10: The Muscular System

Question 1

A fan-shaped muscle with a broad origin and fascicles that attach to a common site is a ________ muscle.

A)pennate
B)circular
C)parallel
D)convergent
E)divergent

Answer 1

D

Question 2

Which of the following terms is used to describe the location of a muscle

A)pectinate.
B)piriformis.
C)hallucis.
D)splenius.
E)trapezius.

Answer 2

C

Question 3

A muscle that assists the muscle that is primarily responsible for a given action is a(n)

A)agonist.
B)antagonist.
C)synergist.
D)originator.
E)levator.

Answer 3

C

Question 4

The bones,which serve as levers in the body,do not

A)dictate direction of movement.
B)modify distance of movement produced by a force.
C)contribute effective strength of a force.
D)modify speed of movement produced by a force.
E)inhibit movement.

Question 5

Skeletal muscles in which the fascicles form a common angle with the tendon are ________ muscles.

A)parallel
B)circular
C)pennate
D)convergent
E)divergent

Question 6

Each of the following terms is a descriptive term for a muscle's action except

A)levator.
B)pronator.
C)tensor.
D)sartorius.
E)adductor.

Question 7

The most common lever systems in the body are those that have the applied force between the fulcrum and the load.These are called ________ levers.

A)first-class
B)second-class
C)third-class
D)fourth-class
E)fifth-class

Question 8

Which of the following is not one of the forms of fascicle organization?

A)perpendicular
B)parallel
C)convergent
D)pennate
E)circular

Question 9

The leverage of the biceps brachii applies its force six times closer to the fulcrum (elbow joint)than the resistance.This means it will need to exert ________ kg of force to support a load of 6 kg.

A)1
B)6
C)36
D)7
E)can't say from this information

Question 10

Muscles with fibers that run at an angle to the long axis of the body are called

A)parallel.
B)convergent.
C)circular.
D)pennate.
E)sphincters.

Question 11

The function of the appendicular muscles is to

A)support and position the bones of the skull,thoracic cage,and vertebral column.
B)support,move,and brace the limbs.

Question 12

Most of the skeletal muscles in the body are ________ muscles.

A)convergent
B)parallel
C)straight
D)pennate
E)circular

Question 13

Muscles with fibers that run parallel to the long axis of the body are called

A)parallel.
B)convergent.
C)circular.
D)pennate.
E)sphincters.

Question 14

________ muscle fibers pull in different directions,permitting different actions depending on stimulation.

A)Convergent
B)Parallel
C)Straight
D)Pennate
E)Circular

Question 15

A muscle that controls the diameter of an opening is a ________ muscle.

A)parallel
B)convergent
C)pennate
D)bipennate
E)circular

Question 16

A(n)________ is a rigid structure that moves on a fixed point.

A)action
B)insertion
C)origin
D)fulcrum
E)lever

Question 17

A skeletal muscle fiber can contract until it has shortened by about

A)20 percent.
B)25 percent.
C)30 percent.
D)40 percent.
E)50 percent.

Question 18

The central body of a muscle is also known as the

A)fulcrum.
B)gut.
C)corpus.
D)belly.
E)core.

Question 19

The names of the muscles can indicate all of the following except

A)the angle of the muscle relative to the long axis of the body.
B)the action of the muscle.
C)the location of the muscle.
D)structural characteristics of the muscle.
E)collagen content of the muscle.

Question 20

In a ________ muscle,the fascicles are concentrically arranged around an opening.

A)convergent
B)parallel
C)straight
D)pennate
E)circular

Question 21

An alternate name for the prime mover in muscle action is

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

Question 22

Figure 10-1
Identify the muscle labeled "1."

A)trapezius
B)deltoid
C)sternocleidomastoid
D)temporalis
E)pectoralis major

Question 23

Muscles that are long and round in cross section are termed

A)longus.
B)teres.
C)longissimus.
D)maximus.
E)brevis.

Question 24

Figure 10-1
Identify the muscle labeled "11."

A)rectus anterior
B)vastus lateralis
C)soleus
D)serratus anterior
E)tibialis anterior

Question 25

Muscles visible at the body surface are often called

A)internus.
B)rectus.
C)profundus.
D)intrinsic.
E)superficialis.

Question 26

Muscles located close to the midline of the body may be called

A)rectus.
B)distalis.
C)proximal.
D)medialis.
E)lateralis.

Question 27

Muscles with fibers that run perpendicular to the long axis of the body are called

A)lateralis.
B)transversus.
C)rectus.
D)oblique.
E)medialis.

Question 28

Which of the following terms could be used with a muscle that is associated with the ribs?

A)cervicis
B)costalis
C)popliteus
D)nuchal
E)carpi

Question 29

Figure 10-1
Identify the muscle labeled "6."

A)biceps brachii
B)brachialis
C)triceps brachii
D)pronator teres
E)deltoid

Question 30

The end of a muscle that remains stationary when the muscle contracts is called the

A)insertion.
B)fulcrum.
C)septum.
D)origin.
E)fixator.

Question 31

Muscles located entirely within an organ are called

A)internus.
B)extrinsic.
C)profundus.
D)intrinsic.
E)externus.

Question 32

Which of the following most aptly describes "muscle insertion"?

A)broad tendon sheet
B)connective tissue that surrounds a single muscle fiber
C)tendon attachment that doesn't move
D)tendon attachment that moves
E)connective tissue that surrounds an entire muscle

Question 33

Figure 10-1
Identify the muscle labeled "25."

A)rectus femoris
B)biceps femoris
C)adductor longus
D)risorius
E)sartorius

Question 34

A muscle whose name ends in the suffix "-glossus" would be found within or attached to the

A)chin.
B)cheek.
C)jaw.
D)tongue.
E)lips.

Question 35

Figure 10-1
Identify the muscle labeled "27."

A)rectus femoris
B)gastrocnemius
C)soleus
D)gracilis
E)biceps femoris

Question 36

The end of a muscle that is attached to the point that moves when the muscle contracts is called the

A)insertion.
B)fulcrum.
C)septum.
D)origin.
E)fixator.

Question 37

Figure 10-2
Identify the muscle labeled "6."

A)trapezius
B)tensor fasciae latae
C)latissimus dorsi
D)adductor magnus
E)rhomboid major

Question 38

Muscles including the term "capitis" would be found within or attached to the

A)head.
B)neck.
C)thorax.
D)abdomen.
E)groin.

Question 39

Deep muscles are called

A)superficialis.
B)extrinsic.
C)profundus.
D)intrinsic.
E)externus.

Question 40

Superficial muscles that position or stabilize an organ are called

A)internus.
B)extrinsic.
C)profundus.
D)intrinsic.
E)externus.

Question 41

Tom,a trumpet player,asks you which muscles he should develop in order to be a better trumpeter.What would you tell him?

A)the masseter and buccinator
B)the buccinator and orbicularis oris
C)the orbicularis oris and risorius
D)the risorius and zygomaticus minor
E)the levator labii superioris and mentalis

Question 42

Which of the following is an appendicular muscle group rather than an axial muscle group?

A)muscles of the pelvic floor
B)muscles of the head
C)oblique and rectus muscles
D)hamstring group
E)muscles of the vertebral column

Question 43

The "kissing muscle" that purses the lips is the

A)zygomaticus major.
B)orbicularis oris.
C)buccinator.
D)levator labii superioris.
E)procerus.

Question 44

The ________ covers the anterior surface of the neck.

A)buccinator
B)epicranium
C)occipitofrontalis
D)orbicularis oris
E)platysma

Question 45

The mentalis muscle inserts on the

A)orbicularis oris.
B)skin of the chin.
C)angle of the mouth.
D)hyoid bone.
E)skin around the eyelids.

Question 46

Figure 10-2
Identify the muscle labeled "11."

A)gracilis
B)semitendinosus
C)gluteus medius
D)biceps femoris
E)adductor magnus

Question 47

The zygomaticus major muscle acts to

A)move the external ear.
B)purse the lips.
C)depress the lower lip.
D)retract and elevate the corner of the mouth.
E)close the eye.

Question 48

The procerus originates on the

A)angle of the mouth.
B)skin around the eyelids.
C)lateral nasal cartilages.
D)orbicularis oris.
E)sides of the tongue.

Question 49

A muscle that inserts on the body of the mandible is probably involved in

A)kissing.
B)blowing.
C)chewing.
D)frowning.
E)spitting.

Question 50

Figure 10-2
Identify the muscle labeled "7."

A)anconeus
B)extensor carpi ulnaris
C)extensor digitorum
D)pronator teres
E)brachioradialis

Question 51

Figure 10-2
Identify the muscle labeled "12."

A)soleus
B)gastrocnemius
C)sartorius
D)tibialis posterior
E)peroneus longus

Question 52

Which of the following is not an extrinsic eye muscle?

A)inferior rectus
B)rectus abdominis
C)lateral rectus
D)medial rectus
E)superior oblique

Question 53

The bellies of the occipitofrontalis muscle are connected by the

A)mandible.
B)frontal bone.
C)occipital bone.
D)epicranial aponeurosis.
E)forehead.

Question 54

The anterior muscle that inserts widely on the periosteum of the mandible and the skin of the cheek is the

A)temporalis.
B)masseter.
C)lateral pterygoid.
D)medial pterygoid.
E)platysma.

Question 55

Figure 10-2
Identify the muscle labeled "2."

A)deltoid
B)teres major
C)sternocleidomastoid
D)trapezius
E)anconeus

Question 56

Which of the following describes the action of the corrugator supercilii?

A)depresses the lips
B)purses the lips
C)wrinkles the brow
D)elevates the mandible
E)moves the external ear

Question 57

The temporalis muscle passes through the

A)alveolar processes of the maxillae and mandible.
B)tendinous band around the optic foramen.
C)galea aponeurotica.
D)zygomatic arch.
E)fascia surrounding the submandibular salivary gland.

Question 58

Which of the following is not primarily a muscle of facial expression?

A)buccinator
B)depressor labii inferioris
C)risorius
D)masseter
E)mentalis

Question 59

The axial muscles of the head and neck are assigned to one of the following functional groups exceptthe muscles of

A)facial expression.
B)vocal expression.
C)the tongue.
D)the eye.
E)mastication.

Question 60

The muscles of the head and neck do not function in

A)nonverbal communication.
B)feeding.
C)controlling the eyes.
D)shrug the shoulders.
E)rotate the head.

Question 61

In assessing a stroke patient,you ask her to stick out (protract)her tongue.You note that it deviates to one side.You suspect that damage to the neural control of the ________ muscle has occurred.

A)hyoglossus
B)genioglossus
C)palatoglossus
D)styloglossus
E)None of the answers is correct.

Question 62

The iliac crest is the origin of the

A)quadratus lumborum.
B)iliocostalis cervicis.
C)longissimus cervicis.
D)semispinalis capitis.
E)splenius.

Question 63

Which of the following is not a spinal flexor?

A)quadratus lumborum
B)longus capitis
C)longus colli
D)longissimus
E)None of the answers is correct.

Question 64

Which of the following muscles has its insertion on the xiphoid process of the sternum?

A)internal oblique
B)external intercostal
C)rectus abdominis
D)internal intercostal
E)scalene

Question 65

Each of the following muscles is involved in the process of chewing or manipulating food in the mouth except the

A)masseter.
B)temporalis.
C)pterygoid.
D)omohyoid.
E)genioglossus.

Question 66

Which of the following muscles has its origin on the hyoid and inserts on the tongue?

A)hyoglossus
B)lateral pterygoid
C)sternohyoid
D)thyrohyoid
E)geniohyoid

Question 67

The sternocleidomastoid inserts on the

A)occipital bone.
B)clavicle.
C)mastoid process.
D)sternum.
E)None of the answers is correct.

Question 68

The muscle that elevates the tongue is the

A)genioglossus.
B)hyoglossus.
C)palatoglossus.
D)geniohyoid.
E)digastric.

Question 69

Pam's daughter is born cross-eyed.As she grows,the problem does not improve.Her physician suggests cutting an eye muscle to bring the eyes into a more normal position.Which muscle will the doctor cut?

A)inferior rectus
B)lateral rectus
C)medial rectus
D)superior rectus
E)superior oblique

Question 70

Which of the following describes the action of the digastric muscle?

A)elevates the larynx
B)elevates the larynx and depresses the mandible
C)depresses the larynx
D)depresses and retracts the tongue
E)elevates the mandible

Question 71

The ________ extends the neck.

A)spinalis thoracis
B)splenius capitis
C)spinalis cervicis
D)iliocostalis lumborum
E)longissimus capitis

Question 72

The eye muscles include all of the following muscles except

A)medial rectus.
B)inferior rectus.
C)superior oblique.
D)inferior oblique.
E)lateral oblique.

Question 73

The scalenes have their origin on the

A)transverse and costal processes of cervical vertebrae.
B)inferior border of the previous rib.
C)superior border of the next rib.
D)cartilages of the ribs.
E)thoracodorsal fascia and iliac crest.

Question 74

Medial rotation of the eyeball is performed by the ________ muscle.

A)inferior rectus
B)lateral rectus
C)medial rectus
D)superior rectus
E)inferior oblique

Question 75

Which eye muscle sends its tendon of origin through a pulley or trochlea before inserting on the globe?

A)superior rectus
B)superior oblique
C)lateral rectus
D)inferior rectus
E)inferior oblique

Question 76

Which of the following does not originate or insert on the hyoid bone?

A)digastric
B)geniohyoid
C)omohyoid
D)sternohyoid
E)sternothyroid

Question 77

The ________ muscle allows you to look down.

A)inferior rectus
B)medial rectus
C)lateral rectus
D)superior rectus
E)inferior oblique

Question 78

The ________ muscle acts to elevate the mandible and close the jaw.

A)lateral pterygoid
B)digastric
C)superior rectus
D)temporalis
E)masseter

Question 79

The ________ allows you to look up.

A)inferior rectus
B)medial rectus
C)lateral rectus
D)superior rectus
E)inferior oblique

Question 80

The muscle that originates on the superior surface of the pubis around the symphysis is the

A)internal oblique.
B)external oblique.
C)rectus abdominis.
D)transversus abdominis.
E)scalene.