Question 1

A woman mentions to her friend that another person on the beach has "great abs." What is she talking about?

Accepted Answer

The woman is referring to well-developed rectus abdominis muscles.This is a term coined by bodybuilders and refers to the bulging muscles between the tendinous intersections.

Question 2

In general,a muscle that crosses on the anterior side of a joint produces ________.

Accepted Answer

A)  flexion 
B)  adduction 
C)  extension 
D)  abduction 
A)  flexion 
B)  adduction 
C)  extension 
D)  abduction A

Question 3

The ________ extends the great toe.

Accepted Answer

A)  tibialis anterior 
B)  gastrocneumius 
C)  fibularis (peroneous) tertius 
D)  extensor hallucis longus 
A)  tibialis anterior 
B)  gastrocneumius 
C)  fibularis (peroneous) tertius 
D)  extensor hallucis longus D

Question 4

What type of muscle assists an agonist by causing a like movement or by stabilizing a joint over which an agonist acts?

Accepted Answer

A)  a prime mover 
B)  an agonist 
C)  a synergist 
D)  an antagonist 
A)  a prime mover 
B)  an agonist 
C)  a synergist 
D)  an antagonist

Question 5

Which of these is NOT a way of classifying muscles?

Accepted Answer

A)  muscle location 
B)  muscle shape 
C)  the type of muscle fibers 
D)  the type of action they cause 
A)  muscle location 
B)  muscle shape 
C)  the type of muscle fibers 
D)  the type of action they cause

Question 6

Which type of lever is demonstrated by using scissors?

Accepted Answer

A)  a first-class lever 
B)  a second-class lever 
C)  a fourth-class lever 
D)  a third-class lever 
A)  a first-class lever 
B)  a second-class lever 
C)  a fourth-class lever 
D)  a third-class lever

Question 7

What is the main factor that determines the power of a muscle?

Accepted Answer

A)  the total number of muscle fibers (cells) available for contraction 
B)  the length 
C)  the shape 
D)  the number of neurons innervating it 
A)  the total number of muscle fibers (cells) available for contraction 
B)  the length 
C)  the shape 
D)  the number of neurons innervating it

Question 8

A nurse can facilitate respiratory functioning by encouraging deep breathing exercises such as diaphragmatic breathing.Explain diaphragmatic breathing.

Accepted Answer

Diaphragmatic breathing is the alternati

Question 9

The ________ is a synergist of the latissimus dorsi; it extends,medially rotates,and adducts the humerus.

Accepted Answer

A)  supraspinatus 
B)  teres minor 
C)  infraspinatus 
D)  teres major 
A)  supraspinatus 
B)  teres minor 
C)  infraspinatus 
D)  teres major

Question 10

The diaphragm flattens and moves inferiorly during inspiration.

Accepted Answer

A) True 
 B)False

Question 11

Figure 10.1
Using Figure 10.1, match the following:
-Atlanto-occipital joint.

Accepted Answer

A) C 
B) A 
C) B 
A) C 
B) A 
C) B

Question 12

The major head flexors are the sternocleidomastoid muscles,with the help of the muscles attached to the hyoid bone.

Accepted Answer

A) True 
 B)False

Question 13

The ________ helps keep food between the grinding surfaces of the teeth during chewing.

Accepted Answer

A)  risorius 
B)  orbicularis oris 
C)  buccinator 
D)  mentalis 
A)  risorius 
B)  orbicularis oris 
C)  buccinator 
D)  mentalis

Question 14

The muscles of facial expression insert into skin or other muscles,not bones.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following muscles is involved in crossing one leg over the other to produce the cross-legged position?

Accepted Answer

A)  all of the hamstrings 
B)  the quadriceps femoris 
C)  the sartorius 
D)  the gastrocnemius 
A)  all of the hamstrings 
B)  the quadriceps femoris 
C)  the sartorius 
D)  the gastrocnemius

Question 16

The broadest muscle of the back is the latissimus dorsi.

Accepted Answer

A) True 
 B)False

Question 17

Both first- and second-class levers operate at a mechanical disadvantage.

Accepted Answer

A) True 
 B)False

Question 18

Most superficial thorax muscles are extrinsic shoulder muscles.

Accepted Answer

A) True 
 B)False

Question 19

Muscles are only able to pull,they never push.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following muscles fixes and depresses the ribs and stabilizes the pelvis during walking?

Accepted Answer

A)  transversus abdominis 
B)  internal oblique 
C)  external oblique 
D)  rectus abdominis 
A)  transversus abdominis 
B)  internal oblique 
C)  external oblique 
D)  rectus abdominis

Exam 10: The Muscular System

A woman mentions to her friend that another person on the beach has "great abs." What is she talking about?

In general,a muscle that crosses on the anterior side of a joint produces ________.

The ________ extends the great toe.

What type of muscle assists an agonist by causing a like movement or by stabilizing a joint over which an agonist acts?

Which of these is NOT a way of classifying muscles?

Which type of lever is demonstrated by using scissors?

What is the main factor that determines the power of a muscle?

A nurse can facilitate respiratory functioning by encouraging deep breathing exercises such as diaphragmatic breathing.Explain diaphragmatic breathing.

The ________ is a synergist of the latissimus dorsi; it extends,medially rotates,and adducts the humerus.

The diaphragm flattens and moves inferiorly during inspiration.

Figure 10.1 Using Figure 10.1, match the following: -Atlanto-occipital joint.

The major head flexors are the sternocleidomastoid muscles,with the help of the muscles attached to the hyoid bone.

The ________ helps keep food between the grinding surfaces of the teeth during chewing.

The muscles of facial expression insert into skin or other muscles,not bones.

Which of the following muscles is involved in crossing one leg over the other to produce the cross-legged position?

The broadest muscle of the back is the latissimus dorsi.

Both first- and second-class levers operate at a mechanical disadvantage.

Most superficial thorax muscles are extrinsic shoulder muscles.

Muscles are only able to pull,they never push.

Which of the following muscles fixes and depresses the ribs and stabilizes the pelvis during walking?

The Human Body: an Orientation

Chemistry Comes Alive

Cells: the Living Units

Tissue: the Living Fabric

The Integumentary System

Bones and Skeletal Tissue

The Skeleton

Joints

Muscles and Muscle Tissue

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System and Reflex Activity

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels

The Lymphatic System and Lymphoid Organs and Tissues

The Immune System: Innate and Adaptive Body Defenses

The Respiratory System

The Digestive System

Nutrition,metabolism,and Body Temperature Regulation

The Urinary System

Fluid,electrolyte,and Acid-Base Balance

The Reproductive System

Pregnancy and Human Development

Heredity

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