Deck 11: Muscular System: Axial and Appendicular Muscles

Question 1

The rectus abdominis is classified as a convergent muscle.

Answer 1

False

Question 2

A muscle whose action opposes that of the prime mover is known as a(n)

A) agonist.
B) antagonist.
C) synergist.
D) extensor.

Answer 2

B

Question 3

Which is the "kiss muscle" used for puckering the lips?

A) Orbicularis oris
B) Orbicularis oculi
C) Depressor labii inferioris
D) Depressor anguli oris
E) Procerus

Answer 3

A

Question 4

Some muscles are named according to the orientation of their fibers.

Question 5

The word "biceps" in the name of a muscle refers to the fact that

A) the insertion of the muscle is split into two parts.
B) the muscle is shaped in two round sections, one after the other.
C) the muscle has two tendons of origin.
D) the muscle has two very different actions.

Question 6

For axial muscles, which is usually a muscle's less movable attachment?

A) The superior attachment site
B) The inferior attachment site
C) The proximal attachment site
D) The distal attachment site

Question 7

Muscles whose fascicles are arranged in a pattern that resembles a feather are referred to as ________ muscles.

Question 8

A nursing baby is using what muscle to suckle?

A) Risorius
B) Platysma
C) Mentalis
D) Levator labii superioris
E) Buccinator

Question 9

You just ran over a skunk on your way to class. The odor was overwhelming and in response you wrinkled your nose in disgust by contracting your

A) nasalis muscle.
B) procerus muscle.
C) depressor anguli oris.
D) frontal belly of the occipitofrontalis muscle.
E) occipital belly of the occipitofrontalis muscle.

Question 10

For elbow flexion,

A) biceps brachii is the agonist and triceps brachii is the antagonist.
B) biceps brachii is the antagonist and triceps brachii is the agonist.
C) triceps brachii is the synergist and biceps brachii is the antagonist.
D) deltoid is the agonist and biceps brachii is the synergist.
E) biceps brachii is the synergist and triceps brachii is the agonist.

Question 11

Two features that are used in the naming of muscles are tissue color and fiber size.

Question 12

The mentalis muscle has what action?

A) Smiling
B) Frowning
C) Pouting
D) Blowing
E) Sucking

Question 13

The frontal belly of the occipitofrontalis muscle causes what action?

A) Sneering
B) Smiling
C) Flaring the nostrils
D) Wrinkling the brow (forehead)
E) Frowning

Question 14

Muscles that assist an agonist in performing a movement are known as synergists.

Question 15

Which extrinsic eye muscle moves through a pulleylike loop?

A) Inferior oblique
B) Superior oblique
C) Lateral rectus
D) Medial rectus
E) Superior rectus

Question 16

Which extrinsic eye muscle is innervated by the abducens nerve (CN VI)?

A) Inferior oblique
B) Superior oblique
C) Lateral rectus
D) Medial rectus
E) Superior rectus

Question 17

You hear a sharp noise to your left causing you to shift your eyes in that direction. Which muscles were responsible for your glance?

A) Left eye - lateral rectus, right eye - medial rectus
B) Left eye - medial rectus, right eye - lateral rectus
C) Left eye and right eye - lateral rectus
D) Left eye and right eye - medial rectus
E) Left eye - superior oblique, right eye - inferior oblique

Question 18

When a person blinks, she is using her

A) occipitofrontalis muscle.
B) orbicularis oris.
C) procerus.
D) orbicularis oculi.
E) depressor labii inferioris.

Question 19

Typically, the more movable attachment of axial muscles is the superior attachment. For muscles in the limbs, the more moveable attachment is the ________ attachment.

Question 20

The rhomboid muscle is named for its

A) size.
B) origin.
C) fiber orientation.
D) shape.
E) action.

Question 21

Which muscle does not move the mandible?

A) Temporalis
B) Masseter
C) Lateral pterygoid
D) Medial pterygoid
E) Genioglossus

Question 22

When the quadratus lumborum muscles contract bilaterally, they flex the vertebral column.

Question 23

Which cranial nerve innervates the superior oblique muscle?

A) The abducens nerve
B) The trigeminal nerve
C) The trochlear nerve
D) The oculomotor nerve
E) The glossopharyngeal nerve

Question 24

If the right sternocleidomastoid contracts unilaterally, the resulting movement will be

A) lateral flexion of the head to the right and rotation of the head to the left.
B) lateral flexion of the head to the left and rotation of the head to the right.
C) lateral extension of the head to the right and rotation of the head to the left.
D) lateral extension of the head to the left and rotation of the head to the right.

Question 25

The omohyoid is an example of an infrahyoid muscle.

Question 26

There are four muscles of mastication. Select the exception.

A) Buccinator
B) Masseter
C) Temporalis
D) Lateral pterygoid
E) Medial pterygoid

Question 27

The most laterally placed of the three erector spinae components, the ________ group, is composed of three parts: cervical, thoracic, and lumbar.

A) longissimus
B) spinalis
C) iliocostalis

Question 28

The ending "glossus" on the name of a muscle refers to

A) the tongue.
B) mastication.
C) the neck.
D) swallowing.
E) the jaw.

Question 29

This muscle extends and rotates the vertebral column toward the opposite side of the body. Its inferior attachments are on the sacrum and transverse processes of each vertebra and its superior attachments are the spinous processes of more superior vertebrae.

A) Multifidus
B) Interspinales
C) Intertransversarii
D) Rotators
E) Quadratus lumborum

Question 30

Several pharynx muscles are innervated by Cranial Nerve X, the vagus nerve.

Question 31

You have just disembarked from an airplane following a cross-country flight. You are experiencing difficulty in hearing and notice that your ears are plugged. To relieve the pressure you try "yawning" to clear the ear canal. It worked. What muscle was involved?

A) Middle constrictor
B) Levator veli palatini
C) Salpingopharyngeus
D) Palatopharyngeus
E) Tensor veli palatini

Question 32

The muscle that forms a partition between the thoracic and abdominal cavities is the

A) scalenes.
B) interspinales.
C) internal intercostal.
D) diaphragm.
E) transversus thoracis.

Question 33

These muscles elevate the ribs and have their origin on the inferior border of the superior rib and their insertion on the superior border of the inferior rib.

A) Internal intercostals
B) External intercostals
C) Transversus thoracis
D) Diaphragm
E) Serratus posterior inferior

Question 34

Of the muscles listed, the only one that inserts on the hyoid bone is the

A) hyoglossus.
B) palatoglossus.
C) styloglossus.
D) lateral pterygoid.
E) genioglossus.

Question 35

This muscle has its inferior attachment on the manubrium and sternal end of the clavicle and its superior attachment on the mastoid process.

A) Longissimus capitis
B) Sternocleidomastoid
C) Scalene
D) Splenius capitis
E) Splenius cervicus

Question 36

Which muscle is used for sticking out the tongue?

A) Hyoglossus
B) Palatoglossus
C) Styloglossus
D) Hypoglossus
E) Genioglossus

Question 37

Muscles whose functions are to depress either the hyoid bone or the thyroid cartilage of the larynx are the ________ muscles.

A) mylohyoid
B) suprahyoid
C) infrahyoid
D) stylohyoid

Question 38

Pharyngeal constrictor muscles are especially important for which function?

A) Breathing
B) Swallowing
C) Expressing fright
D) Chewing food
E) Mixing food with enzymes

Question 39

When contracted, this muscle causes expansion of the thoracic cavity and increases pressure in the abdominopelvic cavity. Its insertion is on a central tendon.

A) Internal intercostals
B) External intercostals
C) Transversus thoracis
D) Diaphragm
E) Serratus posterior inferior

Question 40

When the left and right splenius capitis contract together, the resulting movement is

A) wrinkling of the brow.
B) flexion of the neck.
C) elevation of the larynx.
D) extension of the neck.
E) pulling of the scalp anteriorly.

Question 41

Which of the abdominal muscles is innervated by spinal nerves T7-T12?

A) Rectus abdominis
B) Transversus abdominis
C) Internal oblique
D) External oblique
E) None of these choices is correct.

Question 42

The muscles between the ribs that function to depress the ribs during forced expiration are the ________ intercostal muscles.

Question 43

Which of the following elevates the ribs?

A) External intercostals
B) Internal intercostals
C) Serratus posterior inferior
D) Transversus thoracis

Question 44

The anal triangle includes the urethra.

Question 45

What are tendinous intersections?

A) Round tendonlike structures attaching muscle to bone
B) Fibrous, perpendicular insertions between successive sheets or blocks of muscle
C) Flat sheets of connective tissue used for muscle insertion
D) Thin layers of muscle used to attach two other muscles together
E) Narrow, vertical, fibrous strips used to attach muscle sheaths of the left and right rectus abdominis

Question 46

Contraction of the diaphragm assists in

A) expiration.
B) inspiration.
C) flexion at the waist.
D) extension at the waist.
E) All of the choices are correct.

Question 47

The pelvic diaphragm supports the pelvic viscera.

Question 48

Contraction of the serratus posterior inferior contributes to forced expiration.

Question 49

Which muscle is part of the urogenital diaphragm and constricts the urethra to voluntarily inhibit urination?

A) Ischiocavernosus
B) Superficial transverse perineal muscle
C) External urethral sphincter
D) Bulbospongiosus
E) Pubococcygeus

Question 50

Of the muscles listed, which is the only one not innervated by the pudendal nerve?

A) External anal sphincter
B) Coccygeus
C) Iliococcygeus
D) Pubococcygeus
E) Puborectalis

Question 51

The deepest of the abdominal muscles are the ________ muscles.

A) rectus abdominis
B) transversus abdominis
C) internal oblique
D) external oblique
E) tendinous intersections

Question 52

In the male, which muscle ejects urine or semen, compresses the base of the penis, and helps in formation of an erection?

A) Iliococcygeus
B) Superficial transverse perineal muscle
C) External urethral sphincter
D) Bulbospongiosus
E) Pubococcygeus

Question 53

What is the diamond-shaped region between the lower appendages called?

A) The periosteum
B) The pudendal triangle
C) The perineum
D) The posterior diaphragm
E) The coccygeal triangle

Question 54

Contraction of the rectus abdominis results in rotation of the vertebral column.

Question 55

The rectus abdominis inserts on the ________ process, as well as on ribs 5-7.

Question 56

The superficial layer of the urogenital triangle contains three muscles. Select the exception.

A) Puborectalis
B) Bulbospongiosus
C) Ischiocavernosus
D) Superficial transverse perineal

Question 57

For defecation to take place, the puborectalis must

A) contract.
B) relax.

Question 58

The internal oblique and external oblique muscles both insert on the linea alba.

Question 59

Which of the abdominal muscles has its fibers running in an inferomedial direction?

A) Rectus abdominis
B) Transversus abdominis
C) Internal oblique
D) External oblique
E) None of these choices is correct.

Question 60

Which muscle forms the traditional "six-pack" of a well-toned abdominal wall?

A) Rectus abdominis
B) Transversus abdominis
C) Internal oblique
D) External oblique
E) Longissimus

Question 61

Module G08 Location & function of the major skeletal muscles.
This figure shows a lateral view of the muscles of facial expression. What muscle does number 1 indicate?

A) Temporalis
B) Masseter
C) Buccinator
D) Sternocleidomastoid
E) Platysma

Question 62

Module G08 Location & function of the major skeletal muscles.
This figure shows a lateral view of the muscles of facial expression. What muscle does number 5 indicate?

A) Temporalis
B) Masseter
C) Buccinator
D) Sternocleidomastoid
E) Platysma

Question 63

Module G08 Location & function of the major skeletal muscles.
This figure shows a medial view of the right eye. What muscle does number 3 indicate?

A) Superior oblique
B) Inferior oblique
C) Lateral rectus
D) Medial rectus
E) Superior rectus

Question 64

Module G08 Location & function of the major skeletal muscles.
This figure shows a medial view of the right eye. What structure does number 4 indicate?

A) Trochlea
B) Common tendinous ring
C) Optic nerve
D) Optic canal
E) Superior rectus muscle

Question 65

Module G08 Location & function of the major skeletal muscles.
This figure shows the muscles of facial expression. What muscle does number 7 indicate?

A) Mentalis
B) Levator labii superioris
C) Risorius
D) Sternocleidomastoid
E) Depressor labii inferioris

Question 66

Module G08 Location & function of the major skeletal muscles.
This figure shows a lateral view of the muscles of facial expression. What muscle does number 2 indicate?

A) Temporalis
B) Masseter
C) Buccinator
D) Sternocleidomastoid
E) Platysma

Question 67

Module G08 Location & function of the major skeletal muscles.
This figure shows a medial view of the right eye. What muscle does number 2 indicate?

A) Superior oblique
B) Inferior oblique
C) Lateral rectus
D) Medial rectus
E) Superior rectus

Question 68

Module G08 Location & function of the major skeletal muscles.
This figure shows a lateral view of the muscles of facial expression. What muscle does number 3 indicate?

A) Temporalis
B) Masseter
C) Buccinator
D) Sternocleidomastoid
E) Platysma

Question 69

Module G08 Location & function of the major skeletal muscles.
This figure shows the muscles of facial expression. What muscle does number 2 indicate?

A) Nasalis
B) Procerus
C) Epicranius
D) Orbicularis oculi
E) Platysma

Question 70

Module G08 Location & function of the major skeletal muscles.
This figure shows the muscles of facial expression. What muscle does number 3 indicate?

A) Nasalis
B) Orbicularis oris
C) Epicranius
D) Orbicularis oculi
E) Platysma

Question 71

Module G08 Location & function of the major skeletal muscles.
This figure shows the muscles of facial expression. What muscle does number 9 indicate?

A) Mentalis
B) Levator labii superioris
C) Risorius
D) Sternocleidomastoid
E) Depressor labii inferioris

Question 72

Module G08 Location & function of the major skeletal muscles.
This figure shows the muscles of facial expression. What muscle does number 8 indicate?

A) Mentalis
B) Levator labii superioris
C) Risorius
D) Sternocleidomastoid
E) Depressor labii inferioris

Question 73

Module G08 Location & function of the major skeletal muscles.
This figure shows the muscles of facial expression. What muscle does number 4 indicate?

A) Zygomaticus major
B) Risorius
C) Masseter
D) Buccinator
E) Orbicularis oris

Question 74

Module G08 Location & function of the major skeletal muscles.
This figure shows the muscles of facial expression. What muscle does number 6 indicate?

A) Zygomaticus major
B) Risorius
C) Masseter
D) Orbicularis oculi
E) Orbicularis oris

Question 75

Module G08 Location & function of the major skeletal muscles.
This figure shows a lateral view of the muscles of facial expression. What muscle does number 4 indicate?

A) Temporalis
B) Masseter
C) Buccinator
D) Sternocleidomastoid
E) Platysma

Question 76

Module G08 Location & function of the major skeletal muscles.
This figure shows the muscles of facial expression. What muscle does number 5 indicate?

A) Zygomaticus major
B) Risorius
C) Masseter
D) Buccinator
E) Orbicularis oris

Question 77

The anterior border of the perineum is the

A) anus.
B) urethra.
C) pubic symphysis.
D) scrotum in the male and the labia majora in the female.

Question 78

Which muscles arise from the skull and often attach to the skin?

A) Extrinsic eye muscles
B) Muscles of mastication
C) Muscles that move the tongue
D) Muscles of facial expression
E) Muscles of the pharynx

Question 79

Module G08 Location & function of the major skeletal muscles.
This figure shows the muscles of facial expression. What muscle does number 1 indicate?

A) Nasalis
B) Procerus
C) Epicranius
D) Orbicularis oculi
E) Platysma

Question 80

Which muscles help us in the initial breakdown of food?

A) Extrinsic eye muscles
B) Muscles of mastication
C) Muscles that move the tongue
D) Muscles of facial expression
E) Muscles of the pharynx