Lab 22 Assessments Flashcards
When the ____ contracts the corner of the mouth is drawn upward and laterally when laughing.
Zygomatic major.
The ___ acts to compress the wall of the cheeks when air is blown out of the mouth.
Buccinator.
The ___ causes the lips to close and pucker during kissing, whistling, and speaking.
Orbicular oris.
The temporalis acts to ____
The temporalis muscle is one of several muscles that aid in chewing, necessary for crushing and grinding objects between molars.
The ___ pterygoid can close the jaw and pull it sideways.
medial.
The ____ pterygoid can protrude the jaw, pull the jaw sideways, and open the mouth.
Lateral.
The ___ wrinkles the skin of the chin and raises and protrudes the lower lip when drinking pouting or expressing doubt.
Mentalis.
The ____ can close the eye, as in blinking.
Orbicularis oculi.
The ____ can pull the head toward the chest.
Sternalcleidomastoid.
The muscle used to pout and to express horror is the ____.
Platysma.
The muscle used to widen the nostrils is the ____
Nasalis
The muscle used to elevate the hyoid bone during swallowing is the ____
Suprahyoid
The ____ raises the eybrows and moves the scalp.
Frontalis
The spenius capitis and ____ nuscles act to extend and rotate the head.
semispinalis capitis.
Muscles of mastication are all inserted on the
Mandible
Muscles of mastication include the following except the A) lateral pterygoid. B) masseter. C) temporalis. D) platysma.
D) Platysma
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.
B) In the skin
Which of the following muscles does not move the hyoid bone? A) sternocleidomastoid B) mylohyoid C) sternohyoid D) thyrohyoid
A) sternocleidomastoid
Which of the following is not a facial expression muscle? A) zygomaticus major B) buccinator C) orbicularis oris D) scalenes
D) Scalenes
Which of the following muscle actions include flexion of the head? A) semispinalis capitis B) splenius capitis C) sternocleidomastoid D) trapezius
C) sternocleidomastoid
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
B) nasalis
The \_\_\_\_\_\_ muscle raises the corner of the mouth as when laughing. A) buccinator B) stylohyoid C) zygomaticus major D) temporalis
A) Buccinator
Muscles of mastication include the following except the A) lateral pterygoid. B) medial pterygoid. C) temporalis. D) zygomaticus major.
D) Zygomaticus major
Muscles of mastication include the following movements except A) elevation. B) flexion. C) side to side. D) depression.
B) Flexion
Which muscle does not involve facial expression movement? A) scalenes B) buccinator C) epicranius D) orbicularis oris
A) Scalenes
Which of the following can close the eye as in blinking? A) zygomaticus minor B) buccinator C) orbicularis oris D) orbicularis oculi
D) orbicularis oculi