Lab 22 Assessments

Question 1

When the ____ contracts the corner of the mouth is drawn upward and laterally when laughing.

Answer 1

Zygomatic major.

Question 2

The ___ acts to compress the wall of the cheeks when air is blown out of the mouth.

Answer 2

Buccinator.

Question 3

The ___ causes the lips to close and pucker during kissing, whistling, and speaking.

Answer 3

Orbicular oris.

Question 4

The temporalis acts to ____

Answer 4

The temporalis muscle is one of several muscles that aid in chewing, necessary for crushing and grinding objects between molars.

Question 5

The ___ pterygoid can close the jaw and pull it sideways.

Answer 5

medial.

Question 6

The ____ pterygoid can protrude the jaw, pull the jaw sideways, and open the mouth.

Answer 6

Lateral.

Question 7

The ___ wrinkles the skin of the chin and raises and protrudes the lower lip when drinking pouting or expressing doubt.

Answer 7

Mentalis.

Question 8

The ____ can close the eye, as in blinking.

Answer 8

Orbicularis oculi.

Question 9

The ____ can pull the head toward the chest.

Answer 9

Sternalcleidomastoid.

Question 10

The muscle used to pout and to express horror is the ____.

Answer 10

Platysma.

Question 11

The muscle used to widen the nostrils is the ____

Answer 11

Nasalis

Question 12

The muscle used to elevate the hyoid bone during swallowing is the ____

Answer 12

Suprahyoid

Question 13

The ____ raises the eybrows and moves the scalp.

Answer 13

Frontalis

Question 14

The spenius capitis and ____ nuscles act to extend and rotate the head.

Answer 14

semispinalis capitis.

Question 15

Muscles of mastication are all inserted on the

Answer 15

Mandible

Question 16

Muscles of mastication include the following except the
A) lateral pterygoid.
B) masseter.
C) temporalis.
D) platysma.

Answer 16

D) Platysma

Question 17

Facial expressions are so variable partly because many facial muscles are inserted
A) on the mandible.
B) in the skin.
C) on the maxilla.
D) on facial bones.

Answer 17

B) In the skin

Question 18

Which of the following muscles does not move the hyoid bone?
A) sternocleidomastoid
B) mylohyoid
C) sternohyoid
D) thyrohyoid

Answer 18

A) sternocleidomastoid

Question 19

Which of the following is not a facial expression muscle?
A) zygomaticus major
B) buccinator
C) orbicularis oris
D) scalenes

Answer 19

D) Scalenes

Question 20

Which of the following muscle actions include flexion of the head?
A) semispinalis capitis
B) splenius capitis
C) sternocleidomastoid
D) trapezius

Answer 20

C) sternocleidomastoid

Question 21

Which of the following muscles is the most visible from an anterior view of a person in anatomical position?
A) splenius capitis
B) nasalis
C) temporalis
D) medial pterygoid

Answer 21

B) nasalis

Question 22

The \_\_\_\_\_\_ muscle raises the corner of the mouth as when laughing.
A) buccinator
B) stylohyoid
C) zygomaticus major
D) temporalis

Answer 22

A) Buccinator

Question 23

Muscles of mastication include the following except the
A) lateral pterygoid.
B) medial pterygoid.
C) temporalis.
D) zygomaticus major.

Answer 23

D) Zygomaticus major

Question 24

Muscles of mastication include the following movements except
A) elevation.
B) flexion.
C) side to side.
D) depression.

Answer 24

B) Flexion

Question 25

Which muscle does not involve facial expression movement?
A) scalenes
B) buccinator
C) epicranius
D) orbicularis oris

Answer 25

A) Scalenes

Question 26

Which of the following can close the eye as in blinking?
A) zygomaticus minor
B) buccinator
C) orbicularis oris
D) orbicularis oculi

Answer 26

D) orbicularis oculi