Question 1

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 leverE) All of the above
F) A) and B)

Question 2

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 3

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

Accepted Answer

A) True 
 B)False

Question 4

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 5

The broadest muscle of the back is the latissimus dorsi.

Accepted Answer

A) True 
 B)False

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

Muscles are only able to pull,they never push.

Accepted Answer

A) True 
 B)False

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

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

Accepted Answer

A)   flexion
B)   adduction
C)   extension
D)   abductionE) A) and D)
F) A) and B) A

Question 10

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

Accepted Answer

A)  C
B)  A
C)  BD) B) and C)
E) A) and B)

Question 11

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 gastrocnemiusE) All of the above
F) B) and C)

Question 12

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 majorE) B) and C)
F) None of the above

Question 13

The ________ extends the great toe.

Accepted Answer

A)   tibialis anterior
B)   gastrocneumius
C)   fibularis (peroneous)  tertius
D)   extensor hallucis longusE) A) and D)
F) B) and D) D

Question 14

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 abdominisE) All of the above
F) A) and D)

Question 15

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 antagonistE) None of the above
F) A) and B)

Question 16

Most superficial thorax muscles are extrinsic shoulder muscles.

Accepted Answer

A) True 
 B)False

Question 17

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 causeE) None of the above
F) A) and B)

Question 18

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

Accepted Answer

A)   risorius
B)   orbicularis oris
C)   buccinator
D)   mentalisE) B) and D)
F) None of the above

Question 19

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 itE) B) and C)
F) C) and D)

Question 20

The diaphragm flattens and moves inferiorly during inspiration.

Accepted Answer

A) True 
 B)False

Exam 10: The Muscular System

Which type of lever is demonstrated by using scissors?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedThe 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.

The broadest muscle of the back is the latissimus dorsi.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Muscles are only able to pull,they never push.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedDiaphragmatic breathing is the alternati...View AnswerShow Answer

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

Correct AnswerverifiedA

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The ________ extends the great toe.

Correct AnswerverifiedD

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Most superficial thorax muscles are extrinsic shoulder muscles.

Correct AnswerverifiedShow Answer

Which of these is NOT a way of classifying muscles?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The diaphragm flattens and moves inferiorly during inspiration.

Correct AnswerverifiedShow Answer

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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.

Correct Answer
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Diaphragmatic breathing is the alternati...
View Answer

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A

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D

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