Question 1

There are four muscles of mastication.Select the exception.

Accepted Answer

A)  Buccinator
B)  Masseter
C)  Temporalis
D)  Lateral pterygoid
E)  Medial pterygoidF) B) and D)
G) None of the above

Question 2

If you contract your right sternocleidomastoid muscle,what movement would you expect?

Accepted Answer

A)  Your chin would touch your chest.
B)  Your head would turn to the right.
C)  Your chin would point toward the ceiling.
D)  Your head would turn to the left.
E)  Your shoulders would shrug.F) A) and D)
G) C) and D)

Question 3

The frontal belly of the occipitofrontalis muscle causes what action?

Accepted Answer

A)  Sneering
B)  Smiling
C)  Flares the nostrils
D)  Wrinkles the brow (forehead) 
E)  FrownF) B) and D)
G) A) and C)

Question 4

A condition in which a portion of the viscera protrudes through a weakened point of the muscular wall of the abdominopelvic cavity is known as a hernia.

Accepted Answer

A) True 
 B)False

Question 5

Which elevate(s) the ribs?

Accepted Answer

A)  External intercostals
B)  Internal intercostals
C)  Serratus posterior superior
D)  Transversus thoracis
E)  Two of the choices are correct.F) A) and B)
G) A) and C)

Question 6

Which of the abdominal muscles has its inferior attachment on the superior surface of the pubis?

Accepted Answer

A)  Rectus abdominis
B)  Transversus abdominis
C)  Internal oblique
D)  External oblique
E)  None of these choices is correct.F) A) and B)
G) A) and C)

Question 7

The ability to curl your tongue into a tube is a genetic trait controlled by what muscle(s) ?

Accepted Answer

A)  Hyoglossus
B)  Palatoglossus
C)  Styloglossus
D)  Intrinsic tongue muscles
E)  GenioglossusF) B) and D)
G) A) and E)

Question 8

When contracted,this muscle causes expansion of the thoracic cavity and increases pressure in the abdominopelvic cavity.Its insertion is on a central tendon.

Accepted Answer

A)  Internal intercostals
B)  External intercostals
C)  Transversus thoracis
D)  Diaphragm
E)  Serratus posterior inferiorF) A) and D)
G) A) and C)

Question 9

Which muscles arise from the skull and often attach to the skin?

Accepted Answer

A)  Extrinsic eye muscles
B)  Muscles of mastication
C)  Muscles that move the tongue
D)  Muscles of facial expression
E)  Muscles of the pharynxF) None of the above
G) A) and B)

Question 10

A nursing baby is using what muscle?

Accepted Answer

A)  Risorius
B)  Platysma
C)  Mentalis
D)  Levator labii superioris
E)  BuccinatorF) None of the above
G) B) and E)

Question 11

This muscle must be consciously relaxed during defecation in order to decrease the bend of the anorectal junction and permit easy passage of feces through the rectum.

Accepted Answer

A)  Iliococcygeus
B)  External anal sphincter
C)  Coccygeus
D)  Pubococcygeus
E)  PuborectalisF) C) and E)
G) C) and D)

Question 12

Which extrinsic eye muscle moves through a pulleylike loop?

Accepted Answer

A)  Inferior oblique
B)  Superior oblique
C)  Lateral rectus
D)  Medial rectus
E)  Superior rectusF) C) and D)
G) None of the above

Question 13

Which of the abdominal muscles has its fibers running in an inferomedial direction?

Accepted Answer

A)  Rectus abdominis
B)  Transversus abdominis
C)  Internal oblique
D)  External oblique
E)  None of these choices is correct.F) A) and C)
G) B) and D)

Question 14

What muscle elevates the soft palate when swallowing?

Accepted Answer

A)  Palatopharyngeus
B)  Stylopharyngeus
C)  Levator veli palatini
D)  Tensor veli palatini
E)  Superior constrictorF) B) and E)
G) A) and B)

Question 15

Your professor says something profoundly funny.You are tempted to laugh but because you failed to brush your teeth this morning all you can do is to manage a closed-mouth smile.What muscle are you primarily using?

Accepted Answer

A)  Risorius
B)  Platysma
C)  Mentalis
D)  Levator labii superioris
E)  BuccinatorF) B) and C)
G) C) and D)

Question 16

The muscle(s) that form(s) a partition between the thoracic and abdominal cavities is/are the

Accepted Answer

A)  scalenes.
B)  interspinales.
C)  internal intercostal.
D)  diaphragm.
E)  transversus thoracis.F) None of the above
G) C) and E)

Question 17

A medical procedure often performed during childbirth in which an incision is made in the perineal skin and soft tissues between the vagina and the anus is termed an episiotomy.

Accepted Answer

A) True 
 B)False

Question 18

You have just disembarked from an airplane following a cross-country flight.You are experiencing difficulty in hearing and notice that your ears are plugged.To relieve the pressure you try "yawning" to clear the ear canal.It worked.What muscle was involved?

Accepted Answer

A)  Middle constrictor
B)  Levator veli palatini
C)  Salpingopharyngeus
D)  Palatopharyngeus
E)  Tensor veli palatiniF) C) and D)
G) A) and B)

Question 19

Of the muscles listed,the only one that inserts on the hyoid bone is the

Accepted Answer

A)  hyoglossus.
B)  palatoglossus.
C)  styloglossus.
D)  lateral pterygoid.
E)  genioglossus.F) B) and C)
G) D) and E)

Question 20

Which of the abdominal muscles has its superior attachment on the xiphoid process of the sternum?

Accepted Answer

A)  Rectus abdominis
B)  Transversus abdominis
C)  Internal oblique
D)  External oblique
E)  None of these choices is correct.F) C) and E)
G) C) and D)

Exam 11: Axial Muscles

This muscle must be consciously relaxed during defecation in order to decrease the bend of the anorectal junction and permit easy passage of feces through the rectum.

Correct AnswerverifiedShow Answer

The ability to curl your tongue into a tube is a genetic trait controlled by what muscle(s) ?

Correct AnswerverifiedShow Answer

When contracted,this muscle causes expansion of the thoracic cavity and increases pressure in the abdominopelvic cavity.Its insertion is on a central tendon.

Correct AnswerverifiedShow Answer

Which of the abdominal muscles has its fibers running in an inferomedial direction?

Correct AnswerverifiedShow Answer

You have just disembarked from an airplane following a cross-country flight.You are experiencing difficulty in hearing and notice that your ears are plugged.To relieve the pressure you try "yawning" to clear the ear canal.It worked.What muscle was involved?

Correct AnswerverifiedShow Answer

Of the muscles listed,the only one that inserts on the hyoid bone is the

Correct AnswerverifiedShow Answer

Your professor says something profoundly funny.You are tempted to laugh but because you failed to brush your teeth this morning all you can do is to manage a closed-mouth smile.What muscle are you primarily using?

Correct AnswerverifiedShow Answer

If you contract your right sternocleidomastoid muscle,what movement would you expect?

Correct AnswerverifiedShow Answer

Which muscles arise from the skull and often attach to the skin?

Correct AnswerverifiedShow Answer

A nursing baby is using what muscle?

Correct AnswerverifiedShow Answer

What muscle elevates the soft palate when swallowing?

Correct AnswerverifiedShow Answer

Which extrinsic eye muscle moves through a pulleylike loop?

Correct AnswerverifiedShow Answer

Which of the abdominal muscles has its superior attachment on the xiphoid process of the sternum?

Correct AnswerverifiedShow Answer

Which of the abdominal muscles has its inferior attachment on the superior surface of the pubis?

Correct AnswerverifiedShow Answer

There are four muscles of mastication.Select the exception.

Correct AnswerverifiedShow Answer

A medical procedure often performed during childbirth in which an incision is made in the perineal skin and soft tissues between the vagina and the anus is termed an episiotomy.

Correct AnswerverifiedShow Answer

A condition in which a portion of the viscera protrudes through a weakened point of the muscular wall of the abdominopelvic cavity is known as a hernia.

Correct AnswerverifiedShow Answer

The frontal belly of the occipitofrontalis muscle causes what action?

Correct AnswerverifiedShow Answer

Which elevate(s) the ribs?

Correct AnswerverifiedShow Answer

The muscle(s) that form(s) a partition between the thoracic and abdominal cavities is/are the

Correct AnswerverifiedShow Answer

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