Question 1

Which of the following represents a class I lever system?

Accepted Answer

A)  crossing your legs 
B)  hyperextension of the head 
C)  standing on your tiptoes 
D)  flexion of the elbow to elevate the hand 
E)  lifting weight with your arm 
A)  crossing your legs 
B)  hyperextension of the head 
C)  standing on your tiptoes 
D)  flexion of the elbow to elevate the hand 
E)  lifting weight with your arm

Question 2

Which of the following muscles is used when walking on your tiptoes?

Accepted Answer

A)  gastrocnemius 
B)  tibialis anterior 
C)  peroneus tertius 
D)  extensor digitorum longus 
E)  calcaneal tendon 
A)  gastrocnemius 
B)  tibialis anterior 
C)  peroneus tertius 
D)  extensor digitorum longus 
E)  calcaneal tendon

Question 3

When a skeletal muscle contracts to cause a given movement, the more movable end of attachment of the muscle is termed its

Accepted Answer

A)  origin. 
B)  insertion. 
C)  antagoist. 
D)  synergist. 
E)  fixator. 
A)  origin. 
B)  insertion. 
C)  antagoist. 
D)  synergist. 
E)  fixator.

Question 4

Which of the following muscles is named for its shape?

Accepted Answer

A)  pectoralis major 
B)  adductor pollicis 
C)  vastus lateralis 
D)  trapezius 
E)  pectoralis minor 
A)  pectoralis major 
B)  adductor pollicis 
C)  vastus lateralis 
D)  trapezius 
E)  pectoralis minor

Question 5

In order to put on a glove, the fingers are abducted by hand muscles called the

Accepted Answer

A)  retinacula. 
B)  lumbricals. 
C)  opponens pollicis. 
D)  dorsal interossei. 
E)  abductor pollicis brevis. 
A)  retinacula. 
B)  lumbricals. 
C)  opponens pollicis. 
D)  dorsal interossei. 
E)  abductor pollicis brevis.

Question 6

Raising the eyebrows is the action of the _____ muscles.

Accepted Answer

A)  auricular 
B)  procerus 
C)  occipitofrontalis 
D)  levator palpebrae superioris 
E)  temporalis 
A)  auricular 
B)  procerus 
C)  occipitofrontalis 
D)  levator palpebrae superioris 
E)  temporalis

Question 7

Which muscle flexes the vertebral column?

Accepted Answer

A)  erector spinae 
B)  longissimus capitis 
C)  interspinales 
D)  multifidus 
E)  psoas minor 
A)  erector spinae 
B)  longissimus capitis 
C)  interspinales 
D)  multifidus 
E)  psoas minor

Question 8

-Label muscle "D" on the diagram.

Accepted Answer

A)  linea alba 
B)  serratus anterior 
C)  rectus abdominis 
D)  external oblique 
E)  internal oblique 
A)  linea alba 
B)  serratus anterior 
C)  rectus abdominis 
D)  external oblique 
E)  internal oblique

Question 9

-Label structure "B" on the diagram.

Accepted Answer

A)  linea alba 
B)  serratus anterior 
C)  rectus abdominis 
D)  external oblique 
E)  internal oblique 
A)  linea alba 
B)  serratus anterior 
C)  rectus abdominis 
D)  external oblique 
E)  internal oblique

Question 10

-What does "B" represent?

Accepted Answer

A)  coracobrachialis 
B)  deltoid 
C)  pectoralis major 
D)  biceps brachii 
E)  serratus anterior 
A)  coracobrachialis 
B)  deltoid 
C)  pectoralis major 
D)  biceps brachii 
E)  serratus anterior

Question 11

-What does "E" represent?

Accepted Answer

A)  coracobrachialis 
B)  deltoid 
C)  pectoralis major 
D)  biceps brachii 
E)  serratus anterior 
A)  coracobrachialis 
B)  deltoid 
C)  pectoralis major 
D)  biceps brachii 
E)  serratus anterior

Question 12

If a man exercises by doing push-ups every day, he would strengthen or enlarge which of the following muscles?

Accepted Answer

A)  supraspinatus 
B)  gastrocnemius 
C)  thenar muscles 
D)  triceps brachii 
E)  biceps brachii 
A)  supraspinatus 
B)  gastrocnemius 
C)  thenar muscles 
D)  triceps brachii 
E)  biceps brachii

Question 13

Facial muscles are unusual in that they

Accepted Answer

A)  represent a combination of first-class and second-class lever systems. 
B)  insert and sometimes originate on skin and connective tissue. 
C)  are smooth muscles rather than skeletal muscles. 
D)  are not involved in movement. 
E)  are not involved in facial expression. 
A)  represent a combination of first-class and second-class lever systems. 
B)  insert and sometimes originate on skin and connective tissue. 
C)  are smooth muscles rather than skeletal muscles. 
D)  are not involved in movement. 
E)  are not involved in facial expression.

Question 14

-What does "A" represent?

Accepted Answer

A)  coracobrachialis 
B)  deltoid 
C)  pectoralis major 
D)  biceps brachii 
E)  serratus anterior 
A)  coracobrachialis 
B)  deltoid 
C)  pectoralis major 
D)  biceps brachii 
E)  serratus anterior

Question 15

The sternocleidomastoid muscle extends from the mastoid process of the temporal bone to the sternum and medial clavicle. When both sternocleidomastoid muscles contract, the head is flexed. The end of the muscle that connects to the sternum is the

Accepted Answer

A)  origin. 
B)  belly. 
C)  body. 
D)  insertion. 
E)  fixator. 
A)  origin. 
B)  belly. 
C)  body. 
D)  insertion. 
E)  fixator.

Question 16

The zygomaticus major muscle

Accepted Answer

A)  puckers the mouth for kissing. 
B)  contributes to pouting. 
C)  contributes to laughing and smiling. 
D)  causes crow's feet wrinkles. 
E)  raises the eyelid. 
A)  puckers the mouth for kissing. 
B)  contributes to pouting. 
C)  contributes to laughing and smiling. 
D)  causes crow's feet wrinkles. 
E)  raises the eyelid.

Question 17

Contraction of the inferior rectus muscle directs the pupil to look

Accepted Answer

A)  up. 
B)  obliquely. 
C)  to the side. 
D)  to the nose. 
E)  down. 
A)  up. 
B)  obliquely. 
C)  to the side. 
D)  to the nose. 
E)  down.

Question 18

Which muscle rotates and protracts the scapula, and elevates the ribs?

Accepted Answer

A)  levator scapulae 
B)  serratus anterior 
C)  pectoralis minor 
D)  subclavius 
E)  rhomboideus major 
A)  levator scapulae 
B)  serratus anterior 
C)  pectoralis minor 
D)  subclavius 
E)  rhomboideus major

Question 19

What back muscle originates on the vertebral spinous processes?

Accepted Answer

A)  erector spinae 
B)  longissimus capitis 
C)  interspinales 
D)  multifidus 
E)  psoas minor 
A)  erector spinae 
B)  longissimus capitis 
C)  interspinales 
D)  multifidus 
E)  psoas minor

Question 20

-The figure illustrates a lateral view of the right eyeball. What does "C" represent?

Accepted Answer

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

Exam 10: Muscular System: Gross Anatomy

Which of the following represents a class I lever system?

Which of the following muscles is used when walking on your tiptoes?

When a skeletal muscle contracts to cause a given movement, the more movable end of attachment of the muscle is termed its

Which of the following muscles is named for its shape?

In order to put on a glove, the fingers are abducted by hand muscles called the

Raising the eyebrows is the action of the _____ muscles.

Which muscle flexes the vertebral column?

-Label muscle "D" on the diagram.

-Label structure "B" on the diagram.

-What does "B" represent?

-What does "E" represent?

If a man exercises by doing push-ups every day, he would strengthen or enlarge which of the following muscles?

Facial muscles are unusual in that they

-What does "A" represent?

The sternocleidomastoid muscle extends from the mastoid process of the temporal bone to the sternum and medial clavicle. When both sternocleidomastoid muscles contract, the head is flexed. The end of the muscle that connects to the sternum is the

The zygomaticus major muscle

Contraction of the inferior rectus muscle directs the pupil to look

Which muscle rotates and protracts the scapula, and elevates the ribs?

What back muscle originates on the vertebral spinous processes?

-The figure illustrates a lateral view of the right eyeball. What does "C" represent?

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints and Movement

Muscular System: Histology and Physiology

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition, Metabolism, and Temperature Regulation

Urinary System

Water, Electrolytes, and Acidbase Balance

Reproductive System

Development, Growth, Aging, and Genetics

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