Question 1

Paralysis of the muscles of mastication may be an indication of damage to the trigeminal (V) cranial nerve.

Accepted Answer

A) True 
 B)False

Question 2

Which muscle originates from the medial epicondyle of the humerus AND turns the forearm (pronates) so that the palm faces posteriorly?

Accepted Answer

A)  pronator quadratus 
B)  pronator teres 
C)  anconeus 
D)  supinator 
A)  pronator quadratus 
B)  pronator teres 
C)  anconeus 
D)  supinator

Question 3

What is the principal action of the muscle indicated by line B?

Accepted Answer

A)  flexes great toe 
B)  flexes thumb 
C)  dorsiflexes foot 
D)  flexes leg 
E)  flexes toes 
A)  flexes great toe 
B)  flexes thumb 
C)  dorsiflexes foot 
D)  flexes leg 
E)  flexes toes

Question 4

Explain why an astronaut "must work hard to open their mouths" while in space but an elderly person asleep in a chair, for example, has their mouth open.

Accepted Answer

The force of gravity is at work on the s

Question 5

The aponeurosis (sheet-like tendon) that unites the frontal belly (frontalis) and occipital belly (occipitalis) muscles is called the _____.

Accepted Answer

galea apon

Question 6

The strength of movement produced by a muscle depends upon how close to the joint it is attached. A muscle attached farther away will produce a more powerful movement than one attached nearer the joint.

Accepted Answer

A)  Both statements are true. 
B)  Both statements are false. 
C)  Statement 1 is true; statement 2 is false. 
D)  Statement 2 is true; statement 1 is false. 
A)  Both statements are true. 
B)  Both statements are false. 
C)  Statement 1 is true; statement 2 is false. 
D)  Statement 2 is true; statement 1 is false.

Question 7

What muscle is indicated by line B?

Accepted Answer

The answer of What muscle is indicated by line B?...

Question 8

The diagastric, stylohyoid, mylohyoid, and geniohyoid muscles have which of the following in common?

Accepted Answer

A)  insertion on the body of the hyoid bone 
B)  origin on the body of the hyoid bone 
C)  depress the hyoid bone 
D)  elevate the tongue 
A)  insertion on the body of the hyoid bone 
B)  origin on the body of the hyoid bone 
C)  depress the hyoid bone 
D)  elevate the tongue

Question 9

What is the action of the rectus femoris?

Accepted Answer

A)  extends leg 
B)  adducts toes 
C)  dorsiflexes foot 
D)  flexes leg 
E)  flexes toes 
A)  extends leg 
B)  adducts toes 
C)  dorsiflexes foot 
D)  flexes leg 
E)  flexes toes

Question 10

A circular muscle that encloses an orifice is a _____ muscle.

Accepted Answer

The answer of A circular muscle that encloses an orifice...

Question 11

Regarding characteristics used to name muscles, which of the following is incorrectly matched?

Accepted Answer

A)  rectus-parallel to midline 
B)  platys-circular 
C)  biceps-two origins 
D)  brevis-short 
A)  rectus-parallel to midline 
B)  platys-circular 
C)  biceps-two origins 
D)  brevis-short

Question 12

Medial epicondylitis which is often times seen in pianists, violinists, golfers and those who use computers is a condition which affects mainly the extensor muscles of the forearm.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following pairs of terms is most closely matched?

Accepted Answer

A)  orbicularis oculi; shapes lips for speech 
B)  corrugator supercilii; surprise 
C)  platysma; pouting 
D)  zygomaticus major; frown 
A)  orbicularis oculi; shapes lips for speech 
B)  corrugator supercilii; surprise 
C)  platysma; pouting 
D)  zygomaticus major; frown

Question 14

Which best describes the buccinator?

Accepted Answer

A)  swimmer's muscle 
B)  trumpeter's muscle 
C)  most important breathing muscle 
D)  boxer's muscle 
E)  "workhorse" of the elbow flexors 
A)  swimmer's muscle 
B)  trumpeter's muscle 
C)  most important breathing muscle 
D)  boxer's muscle 
E)  "workhorse" of the elbow flexors

Question 15

Name and describe the location of each of the muscles of the three compartments of the thigh: anterior, medial, and posterior.

Accepted Answer

see Exhibi

Question 16

The genioglossus muscle could be considered a socially unacceptable muscle, since its action is to _____ the tongue.

Accepted Answer

protract (

Question 17

Branches of the _____ nerve are involved in the innervation of all perineal muscles.

Accepted Answer

The answer of Branches of the _____ nerve are involved...

Question 18

The scalenes originate on the first and second ribs and insert on the third through sixth thoracic vertebrae.

Accepted Answer

A) True 
 B)False

Question 19

Name three muscles that insert on the mastoid process. All three muscles move the head. Which one of these is antagonistic to the other two in the action of rotating the head?

Accepted Answer

sternocleidomastoid, splenius capitis, l

Question 20

The deltoid muscle is named according to:

Accepted Answer

A)  orientation of muscle fascicles relative to the body's midline. 
B)  relative shape of the muscle. 
C)  relative size of the muscle. 
D)  location. 
A)  orientation of muscle fascicles relative to the body's midline. 
B)  relative shape of the muscle. 
C)  relative size of the muscle. 
D)  location.

Exam 11: The Muscular System

Paralysis of the muscles of mastication may be an indication of damage to the trigeminal (V) cranial nerve.

Which muscle originates from the medial epicondyle of the humerus AND turns the forearm (pronates) so that the palm faces posteriorly?

What is the principal action of the muscle indicated by line B?

Explain why an astronaut "must work hard to open their mouths" while in space but an elderly person asleep in a chair, for example, has their mouth open.

The aponeurosis (sheet-like tendon) that unites the frontal belly (frontalis) and occipital belly (occipitalis) muscles is called the _____.

The strength of movement produced by a muscle depends upon how close to the joint it is attached. A muscle attached farther away will produce a more powerful movement than one attached nearer the joint.

What muscle is indicated by line B?

The diagastric, stylohyoid, mylohyoid, and geniohyoid muscles have which of the following in common?

What is the action of the rectus femoris?

A circular muscle that encloses an orifice is a _____ muscle.

Regarding characteristics used to name muscles, which of the following is incorrectly matched?

Medial epicondylitis which is often times seen in pianists, violinists, golfers and those who use computers is a condition which affects mainly the extensor muscles of the forearm.

Which of the following pairs of terms is most closely matched?

Which best describes the buccinator?

Name and describe the location of each of the muscles of the three compartments of the thigh: anterior, medial, and posterior.

The genioglossus muscle could be considered a socially unacceptable muscle, since its action is to _____ the tongue.

Branches of the _____ nerve are involved in the innervation of all perineal muscles.

The scalenes originate on the first and second ribs and insert on the third through sixth thoracic vertebrae.

Name three muscles that insert on the mastoid process. All three muscles move the head. Which one of these is antagonistic to the other two in the action of rotating the head?

The deltoid muscle is named according to:

An Introduction to the Human Body

Cells

Tissues

Development

The Integumentary System

Bone Tissue

The Skeletal System: the Axial Skeleton

The Skeletal System: the Appendicular Skeleton

Joints

Muscular Tissue

The Cardiovascular System: Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels

The Lymphatic Lymphoid System and Immunity

Nervous Tissue

The Spinal Cord and the Spinal Nerves

The Brain and the Cranial Nerves

The Autonomic Nervous System

Somatic Senses and Motor Control

Special Senses

The Endocrine System

The Respiratory System

The Digestive System

The Urinary System

The Reproductive Systems

Surface Anatomy

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