Chapter 11 The Muscular System

140) Identify the muscle labeled "12." A) soleus B) gastrocnemius C) sartorius D) tibialis posterior E) peroneus longus

B) gastrocnemius

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.

D) sartorius.

89) Identify the muscle labeled "25." A) rectus femoris B) biceps femoris C) adductor longus D) risorius E) sartorius

E) sartorius

17) 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.

E) the collagen content of the muscle.

88) Identify the muscle labeled "11." A) rectus anterior B) vastus lateralis C) soleus D) serratus anterior E) tibialis anterior

E) tibialis anterior

28) 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.

E) All of the above are named for shape or size.

41) 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.

E) All of the answers are correct.

59) 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.

E) All of the answers are correct.

74) Excessive abdominopelvic pressure can cause A) inguinal hernia. B) diaphragmatic hernia. C) pneumothorax. D) diaphragmatic cramp. E) an inguinal and a diaphragmatic hernia.

E) an inguinal and a diaphragmatic hernia.

92) Which of the following muscles does not have an action that is antagonistic to the action of the brachialis muscle? A) anconeus B) triceps brachii lateral head C) triceps brachii long head D) triceps brachii medial head E) brachioradialis

E) brachioradialis

52) 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

E) collagen sheath at the base of the clitoris

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

E) external oblique, rectus abdominis, and transverse abdominis

91) The pectoralis major muscle inserts on the greater tubercle of the humerus. When it contracts, it produces A) flexion. B) medial rotation. C) abduction and rotation. D) adduction. E) flexion, medial rotation, and adduction.

E) flexion, medial rotation, and adduction.

66) 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

E) lateral and medial rectus

57) The antagonist of the pectoralis major is the A) trapezius. B) levator scapulae. C) serratus anterior. D) pectoralis minor. E) latissimus dorsi.

E) latissimus dorsi.

62) The ________ muscle is the strongest jaw muscle. A) lateral pterygoid B) digastric C) pterygoid D) medial pterygoid E) masseter

E) masseter

64) 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

E) originates at the back of the orbit and raises the upper eyelid

51) The ________ covers the anterior surface of the neck. A) buccinator B) epicranium C) occipitofrontalis D) orbicularis oris E) platysma

E) platysma

47) 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.

E) platysma.

71) A muscle that flexes the spinal column is the A) spinalis. B) longissimus. C) iliocostalis. D) sacrospinalis. E) rectus abdominis.

E) rectus abdominis.

79) 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.

E) rhomboid major and the trapezius.

99) Which of the following is not a muscle of the rotator cuff? A) supraspinatus B) infraspinatus C) teres minor D) subscapularis E) subclavius

E) subclavius

22) Muscles visible at the body surface are often called A) internus. B) extrinsic. C) profundus. D) intrinsic. E) superficialis.

E) superficialis.

27) Muscles located entirely within an organ are called A) internus. B) extrinsic. C) profundus. D) intrinsic. E) externus.

D) intrinsic.

96) The muscle that adducts the thumb is the A) adductor pollicis. B) abductor pollicis. C) extensor digitorum. D) flexor digitorum profundus. E) flexor pollicis longus.

A) adductor pollicis.

73) 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

A) bulbospongiosus

134) Identify the muscle labeled "2." A) deltoid B) teres major C) sternocleidomastoid D) trapezius E) rhomboid

A) deltoid

29) 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

A) first-class

93) The infraspinatus has its insertion on the A) greater tubercle of the humerus. B) tuberosity of the radius. C) lesser tubercle and intertubercular groove of the humerus. D) clavicle and scapula. E) vertebral border near the spine.

A) greater tubercle of the humerus.

19) Muscles including the term capitis would be found within or attached to the A) head. B) neck. C) thorax. D) abdomen. E) groin.

A) head.

44) 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

A) hyoglossus

54) The ________ muscle allows you to look down. A) inferior rectus B) medial rectus C) lateral rectus D) superior rectus E) inferior oblique

A) inferior rectus

37) 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.

A) move the external ear.

97) All of the following originate on the scapula except the A) pectoralis major. B) teres major. C) teres minor. D) subscapularis. E) supraspinatus.

A) pectoralis major.

38) The iliac crest is the origin of the A) quadratus lumborum. B) iliocostalis cervicis. C) longissimus cervicis. D) semispinalis capitis. E) splenius.

A) quadratus lumborum.

84) Identify the muscle labeled "15." A) sternocleidomastoid B) platysma C) sartorius D) stylohyoid E) risorius

A) sternocleidomastoid

48) 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.

A) transverse and costal processes of cervical vertebrae.

83) Identify the muscle labeled "1." A) trapezius B) deltoid C) sternocleidomastoid D) temporalis E) pectoralis major

A) trapezius

86) Identify the muscle labeled "20." A) biceps brachii B) brachioradialis C) triceps brachii D) pronator teres E) deltoid

B) brachioradialis

53) The levator ani inserts on the A) iliac crest. B) coccyx. C) ischial spine. D) central tendon of the perineum. E) sacrum.

B) coccyx.

94) Which of the following does not move the shoulder girdle? A) pectoralis minor B) deltoid C) rhomboid D) serratus anterior E) trapezius

B) deltoid

40) 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

B) elevates the larynx and depresses the mandible

26) Superficial muscles that position or stabilize an organ are called A) internus. B) extrinsic. C) profundus. D) intrinsic. E) externus.

B) extrinsic.

90) Identify the muscle labeled "27." A) rectus femoris B) gastrocnemius C) soleus D) gracilis E) biceps femoris

B) gastrocnemius

65) 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.

B) genioglossus

33) The "kissing muscle" that purses the lips is the A) zygomaticus. B) orbicularis oris. C) buccinator. D) levator labii. E) procerus.

B) orbicularis oris.

77) The freedom of movement is greatest in the A) pelvic girdle. B) pectoral girdle. C) thoracic vertebral column. D) sacrum. E) jaw.

B) pectoral girdle.

42) 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

B) rectus abdominis

39) 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.

B) skin around the eyelids.

32) 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.

B) skin of the chin.

60) 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

B) superior oblique

76) 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

B) the buccinator and orbicularis oris

81) Which of the following is the insertion of the pectoralis major? A) the vertebral border near the spine B) the greater tubercle of the humerus C) the mastoid region of the skull D) the occipital bone of the skull E) the clavicle and scapula

B) the greater tubercle of the humerus

58) 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

B) the trapezius and the sternocleidomastoid

25) 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.

B) transversus.

133) Identify the muscle labeled "1." A) deltoid B) trapezius C) sternocleidomastoid D) triceps brachii E) brachioradialis

B) trapezius

95) The muscle that inserts on the acromion and scapular spine is the A) serratus anterior. B) trapezius. C) sternocleidomastoid. D) pectoralis minor. E) levator scapulae.

B) trapezius.

78) 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.

C) Flexion of the humerus

55) A muscle that inserts on the body of the mandible is probably involved in A) kissing. B) blowing. C) chewing. D) frowning. E) spitting.

C) chewing.

98) The powerful abductor muscle of the upper arm is the A) supraspinatus. B) subscapularis. C) deltoid. D) coracobrachialis. E) teres major.

C) deltoid.

137) Identify the muscle labeled "17." A) anconeus B) extensor carpi ulnaris C) extensor digitorum D) pronator teres E) brachioradialis

C) extensor digitorum

135) Identify the muscle labeled "3." A) rhomboid major B) supraspinatus C) infraspinatus D) deltoid E) teres minor

C) infraspinatus

72) 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

C) intercostals

136) Identify the muscle labeled "6." A) trapezius B) tensor fasciae latae C) latissimus dorsi D) adductor magnus E) rhomboid major

C) latissimus dorsi

34) 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

C) levator palpebrae superioris

46) The sternocleidomastoid inserts on the A) occipital bone. B) clavicle. C) mastoid process. D) sternum. E) mandible.

C) mastoid process.

68) 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

C) medial rectus

75) 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

C) medial rectus

69) 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.

C) oblique and rectus muscles.

43) The muscle that elevates the tongue is the A) genioglossus. B) hyoglossus. C) palatoglossus. D) styloglossus. E) digastric.

C) palatoglossus.

82) Which of the following describes the action of the serratus anterior? A) adducts the arm B) adducts and flexes the humerus C) protracts the shoulder, abducts and medially rotates the scapula D) medial rotation of the humerus E) lateral rotation of the humerus

C) protracts the shoulder, abducts and medially rotates the scapula

49) 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

C) rectus abdominis

85) Identify the muscle labeled "19." A) external oblique B) internal oblique C) rectus abdominis D) iliacus E) linea alba

C) rectus abdominis

56) 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.

C) rectus abdominis.

67) 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.

C) rectus abdominis.

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.

C) rectus.

63) The ________ extends the neck. A) spinalis thoracis B) splenius capitis C) trapezius D) splenius E) splenius cervicis

C) trapezius

45) 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

D) All of the answers are correct.

139) Identify the muscle labeled "11." A) gracilis B) semitendinosus C) gluteus medius D) biceps femoris E) adductor magnus

D) biceps femoris

35) The origin of the frontalis muscle is the A) mandible. B) frontal bone. C) occipital bone. D) epicranial aponeurosis. E) forehead.

D) epicranial aponeurosis.

138) Identify the structure labeled "9." A) quadriceps tendon B) femoral aponeurosis C) linea alba D) iliotibial tract E) calcanean tendon

D) iliotibial tract

31) Which of the following is not primarily a muscle of facial expression? A) buccinator B) depressor labii C) risorius D) masseter E) mentalis

D) masseter

23) Muscles located close to the midline of the body may be called A) rectus. B) distalis. C) proximal. D) medialis. E) lateralis.

D) medialis.

24) 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.

D) oblique.

70) 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.

D) omohyoid.

30) 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.

D) pectoralis

87) Identify the muscle labeled "7." A) supinator B) brachioradialis C) brachialis D) pronator teres E) palmaris longus

D) pronator teres

80) 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.

D) rhomboid and levator scapulae muscles.

61) The ________ allows you to look up. A) inferior rectus B) medial rectus C) lateral rectus D) superior rectus E) inferior oblique

D) superior rectus

18) 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.

D) tongue.

100) The muscle that extends the forearm when doing push-ups is the A) deltoid. B) pectorals. C) brachialis. D) triceps. E) biceps.

D) triceps.

36) 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.

D) zygomatic arch.