Deck 11: The Muscular System

Question 1

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

Answer 1

C

Question 2

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

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

Answer 2

A

Question 3

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

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

Answer 3

A

Question 4

A(n)________ is a muscle whose contraction is chiefly responsible for producing a particular movement.

A)prime mover
B)motor-unit
C)antagonist
D)opposition
E)synergist

Question 5

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

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

Question 6

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 7

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

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

Question 8

The fulcrum of a lever system is the

A)joint.
B)muscle.
C)bone.
D)resistance.
E)load.

Question 9

Muscles that insert on the olecranon process of the ulna can act to

A)flex the forearm.
B)extend the forearm.
C)abduct the forearm.
D)adduct the forearm.
E)extend the carpals.

Question 10

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

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

Question 11

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.

Question 12

Contracting the gastrocnemius muscles to elevate the body on the toes involves a ________ lever.

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

Question 13

In a ________ muscle,the muscle fibers and fascicles lie in a slanted or oblique position to the tendon.

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

Question 14

Muscles that guard entrances and exits of internal passageways are ________ muscles.

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

Question 15

Which of these phrases 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 16

A lever consists of

A)a tendon and a muscle.
B)a rigid structure.
C)a fulcrum.
D)a bone,a muscle,and a nerve.
E)a rigid structure and a fulcrum.

Question 17

The insertion end of the biceps brachii muscle of the anterior upper arm is

A)at the proximal end of the muscle.
B)at the distal end of the muscle.
C)on the dorsal side of the muscle.
D)on the lateral side of the muscle.
E)the thumb.

Question 18

The type of muscle whose functional characteristics most closely resemble those of its muscle fibers is the ________ muscle.

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

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)the collagen content of the muscle.

Question 20

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

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

Question 21

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

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

Question 22

The origin of the frontalis muscle is the

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

Question 23

The temporoparietalis muscle acts to

A)move the external ear.
B)purse the lips.
C)depress the lip.
D)draw the corner of the mouth back and up.
E)close the eye.

Question 24

When the fulcrum is located between the load and the force,it is called a ________ lever.

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

Question 25

The iliac crest is the origin of the

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

Question 26

All of the following are innervated by the facial nerve (N VII)except for the ________ muscle.

A)risorius
B)orbicularis oculi
C)levator palpebrae superioris
D)mentalis
E)temporoparietalis

Question 27

The "kissing muscle" that purses the lips is the

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

Question 28

Superficial muscles that position or stabilize an organ are called

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

Question 29

Which of the following is not a pennate muscle?

A)rectus femoris
B)extensor digitorum longus
C)deltoid
D)pectoralis
E)All of the answers are correct.

Question 30

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

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

Question 31

Muscles located entirely within an organ are called

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

Question 32

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

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

Question 33

Which muscle is named for either shape or size?

A)pectoralis major
B)latissimus dorsi
C)deltoid
D)vastus lateralis
E)All of the above are named for shape or size.

Question 34

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 35

The orbicularis oculi origin has its origin on the

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

Question 36

Muscles visible at the body surface are often called

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

Question 37

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

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

Question 38

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 39

The temporalis muscle passes through the

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

Question 40

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 41

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 42

Which of the following muscles is found within the pelvic floor?

A)ischiocavernosus
B)perineal group
C)bulbospongiosus
D)coccygeus
E)All of the answers are correct.

Question 43

The ________ covers the anterior surface of the neck.

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

Question 44

The muscle that originates from 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.

Question 45

The eye muscles include which of the following muscles?

A)medial rectus
B)inferior rectus
C)superior oblique
D)inferior oblique
E)All of the answers are correct.

Question 46

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 47

The levator ani inserts on the

A)iliac crest.
B)coccyx.
C)ischial spine.
D)central tendon of the perineum.
E)sacrum.

Question 48

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 49

Which pair of muscles is antagonistic to each other in action?

A)the zygomaticus and the orbicularis oris
B)the trapezius and the sternocleidomastoid
C)the internal obliques and the intercostal muscles
D)the latissimus dorsi and the trapezius
E)the orbicularis oris and the orbicularis oculi

Question 50

Which of the following muscles compresses the abdomen?

A)diaphragm and intercostals
B)external oblique and latissimus dorsi
C)rectus abdominis and pectoralis major
D)transverse abdominis
E)external oblique,rectus abdominis,and transverse abdominis

Question 51

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

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

Question 52

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

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

Question 53

The sternocleidomastoid inserts on the

A)occipital bone.
B)clavicle.
C)mastoid process.
D)sternum.
E)mandible.

Question 54

The muscle that elevates the tongue is the

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

Question 55

Which of the following is a spinal flexor?

A)quadratus lumborum
B)longus capitis
C)longus colli
D)All of the answers are correct.
E)both the longus capitis and the longus colli

Question 56

Which of the following is the origin of the bulbospongiosus in the female?

A)ischial spine
B)inferior ischial ramus
C)linea alba and pubis
D)coccyx
E)collagen sheath at the base of the clitoris

Question 57

The anterior muscle of facial expression that inserts widely on the periosteum of the mandible is the

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

Question 58

The ________ muscle allows you to look down.

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

Question 59

The antagonist of the pectoralis major is the

A)trapezius.
B)levator scapulae.
C)serratus anterior.
D)pectoralis minor.
E)latissimus dorsi.

Question 60

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 61

Ryan hears a loud noise and quickly turns his eyes sideways in the direction of the sound.To accomplish this action he must use his ________ muscles.

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

Question 62

The ________ muscle is the strongest jaw muscle.

A)lateral pterygoid
B)digastric
C)pterygoid
D)medial pterygoid
E)masseter

Question 63

Which of these is true about the muscle named levator palpebrae superioris?

A)lifts the scapula
B)elevates the eyebrow
C)raises the upper eyelid
D)originates at the back of the orbit
E)originates at the back of the orbit and raises the upper eyelid

Question 64

The ________ allows you to look up.

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

Question 65

The spinous processes of the upper thoracic vertebrae are the origin of the

A)levator scapulae.
B)rhomboid major.
C)trapezius.
D)supraspinatus.
E)rhomboid major and the trapezius.

Question 66

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 are correct.

Question 67

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 68

The pulling away of the trapezius muscle exposes the

A)serratus anterior and subclavian muscles.
B)infraspinatus and teres minor muscles.
C)deltoid and supraspinatus muscles.
D)rhomboid and levator scapulae muscles.
E)gastrocnemius and tibialis anterior muscles.

Question 69

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
E)the levator labii and mentalis

Question 70

Muscular walls of the thorax and abdomen are composed of

A)spinal erector muscles.
B)muscles of mastication.
C)oblique and rectus muscles.
D)glossal muscles.
E)pectoralis muscles.

Question 71

During abdominal surgery,the surgeon makes a cut lateral to the linea alba.The muscle that would be cut is the

A)digastric.
B)external abdominal oblique.
C)rectus abdominis.
D)scalenus.
E)splenius.

Question 72

Which of the following muscles functions to expel urine or semen in males?

A)bulbospongiosus
B)superficial transverse perineus
C)coccygeus
D)levator ani
E)anconeus

Question 73

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 74

Excessive abdominopelvic pressure can cause

A)inguinal hernia.
B)diaphragmatic hernia.
C)pneumothorax.
D)diaphragmatic cramp.
E)an inguinal and a diaphragmatic hernia.

Question 75

Damage to the pectoralis major would interfere with a person's ability to

A)extend the forearm.
B)abduct the humerus.
C)Flexion of the humerus
D)elevate the scapula.
E)rotate the elbow.

Question 76

The ________ extends the neck.

A)spinalis thoracis
B)splenius capitis
C)trapezius
D)splenius
E)splenius cervicis

Question 77

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

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

Question 78

The freedom of movement is greatest in the

A)pelvic girdle.
B)pectoral girdle.
C)thoracic vertebral column.
D)sacrum.
E)jaw.

Question 79

Damage to which of the following muscles would interfere most with the ability to breathe?

A)pterygoid
B)rectus abdominis
C)intercostals
D)platysma
E)digastric

Question 80

A muscle that flexes the spinal column is the

A)spinalis.
B)longissimus.
C)iliocostalis.
D)sacrospinalis.
E)rectus abdominis.