Question 1

The origin is

Accepted Answer

A)  a muscle working in opposition to another muscle. 
B)  the end of the muscle where the action occurs. 
C)  the muscle that does most of the movement. 
D)  the stationary end of the muscle. 
E)  a group of muscles that work together to cause movement. 
A)  a muscle working in opposition to another muscle. 
B)  the end of the muscle where the action occurs. 
C)  the muscle that does most of the movement. 
D)  the stationary end of the muscle. 
E)  a group of muscles that work together to cause movement.

Question 2

-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 3

The largest buttocks muscle is the

Accepted Answer

A)  iliopsoas. 
B)  psoas major. 
C)  gluteus maximus. 
D)  tensor fascia latae. 
E)  piriformis. 
A)  iliopsoas. 
B)  psoas major. 
C)  gluteus maximus. 
D)  tensor fascia latae. 
E)  piriformis.

Question 4

The infraspinatus

Accepted Answer

A)  laterally rotates the arm. 
B)  adducts and laterally rotates the arm. 
C)  medially rotates the arm. 
D)  abducts the arm. 
E)  flexes the shoulder. 
A)  laterally rotates the arm. 
B)  adducts and laterally rotates the arm. 
C)  medially rotates the arm. 
D)  abducts the arm. 
E)  flexes the shoulder.

Question 5

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 6

The adductor longus is named for its

Accepted Answer

A)  function and orientation. 
B)  origin and insertion. 
C)  location and size. 
D)  type and shape. 
E)  function and size. 
A)  function and orientation. 
B)  origin and insertion. 
C)  location and size. 
D)  type and shape. 
E)  function and size.

Question 7

Which of the following muscles is named for its location?

Accepted Answer

A)  rhomboideus major 
B)  quadriceps femoris 
C)  trapezius 
D)  deltoid 
E)  teres major 
A)  rhomboideus major 
B)  quadriceps femoris 
C)  trapezius 
D)  deltoid 
E)  teres major

Question 8

Of the following muscles of the forearm, which one rotates the forearm to turn the palm upwards?

Accepted Answer

A)  supinator 
B)  triceps brachii 
C)  brachialis 
D)  pronator quadratus 
E)  brachioradialis 
A)  supinator 
B)  triceps brachii 
C)  brachialis 
D)  pronator quadratus 
E)  brachioradialis

Question 9

The muscle shape that has the capacity to shorten to the greatest degree is

Accepted Answer

A)  pennate. 
B)  straight. 
C)  orbicular. 
D)  unipennate 
E)  multipennate. 
A)  pennate. 
B)  straight. 
C)  orbicular. 
D)  unipennate 
E)  multipennate.

Question 10

Which back muscle extends the head?

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 11

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 12

The rotator cuff muscles

Accepted Answer

A)  fix the scapula in place. 
B)  attach the arm to the thorax. 
C)  attach the clavicle to the humerus. 
D)  hold the head of the humerus in the glenoid fossa of the scapula. 
E)  attach at the distal end of the humerus. 
A)  fix the scapula in place. 
B)  attach the arm to the thorax. 
C)  attach the clavicle to the humerus. 
D)  hold the head of the humerus in the glenoid fossa of the scapula. 
E)  attach at the distal end of the humerus.

Question 13

-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

Question 14

The depressor anguli oris 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 15

Which abdominal wall muscle inserts on the 10th to 12th ribs and rectus sheath?

Accepted Answer

A)  rectus abdominis 
B)  external abdominal oblique 
C)  internal abdominal oblique 
D)  transversus abdominis 
E)  quadratus lumborum 
A)  rectus abdominis 
B)  external abdominal oblique 
C)  internal abdominal oblique 
D)  transversus abdominis 
E)  quadratus lumborum

Question 16

The abdominal muscle that has its origin at the pubic crest and symphysis pubis is the

Accepted Answer

A)  rectus abdominis. 
B)  transversus abdominis. 
C)  external abdominal oblique. 
D)  internal abdominal oblique. 
E)  linea alba. 
A)  rectus abdominis. 
B)  transversus abdominis. 
C)  external abdominal oblique. 
D)  internal abdominal oblique. 
E)  linea alba.

Question 17

The type of muscle that functions as a sphincter is

Accepted Answer

A)  pennate. 
B)  straight. 
C)  orbicular. 
D)  rhombohedral. 
E)  unipennate. 
A)  pennate. 
B)  straight. 
C)  orbicular. 
D)  rhombohedral. 
E)  unipennate.

Question 18

Contracting the right sternocleidomastoid muscle would

Accepted Answer

A)  raise the head. 
B)  lower the head. 
C)  rotate the head toward the right. 
D)  rotate the head toward the left. 
E)  hyperextend the head. 
A)  raise the head. 
B)  lower the head. 
C)  rotate the head toward the right. 
D)  rotate the head toward the left. 
E)  hyperextend the head.

Question 19

-Label muscle "C" 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 20

The thenar muscles are involved in controlling the ____; the hypothenar muscles control the ____.

Accepted Answer

A)  index finger; little finger 
B)  thumb; little finger 
C)  ring finger; thumb 
D)  thumb; index finger 
E)  index finger; thumb 
A)  index finger; little finger 
B)  thumb; little finger 
C)  ring finger; thumb 
D)  thumb; index finger 
E)  index finger; thumb

Exam 10: Muscular System: Gross Anatomy

The origin is

-Label structure "B" on the diagram.

The largest buttocks muscle is the

The infraspinatus

Facial muscles are unusual in that they

The adductor longus is named for its

Which of the following muscles is named for its location?

Of the following muscles of the forearm, which one rotates the forearm to turn the palm upwards?

The muscle shape that has the capacity to shorten to the greatest degree is

Which back muscle extends the head?

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

The rotator cuff muscles

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

The depressor anguli oris muscle

Which abdominal wall muscle inserts on the 10th to 12th ribs and rectus sheath?

The abdominal muscle that has its origin at the pubic crest and symphysis pubis is the

The type of muscle that functions as a sphincter is

Contracting the right sternocleidomastoid muscle would

-Label muscle "C" on the diagram.

The thenar muscles are involved in controlling the ____; the hypothenar muscles control the ____.

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, Electrolyte, and Acid-Based Balance

Reproductive System

Development, Growth, Aging, and Genetics

Filters

The thenar muscles are involved in controlling the ; the hypothenar muscles control the .