Deck 4: Muscular System

Question 1

Which of the following muscles raises each labial commissure of the lips to contribute to a smile?

A) Zygomaticus major muscle
B) Buccinator muscle
C) Platysma muscle
D) Epicranius muscle

Answer 1

A

Question 2

Which of the following muscles listed below does NOT serve to elevate the upper lip?

A) Levator anguli oris muscle
B) Levator labii superioris alaeque nasi muscle
C) Risorius muscle
D) Zygomaticus major muscle

Answer 2

C

Question 3

Which of the following muscles can show enlargement due to repetitive muscle contraction associated with clenching of the teeth in a patient?

A) Buccinator muscle
B) Masseter muscle
C) Temporalis muscle
D) Zygomatic muscle

Answer 3

B

Question 4

Which of the following intraoral landmarks is one of the origins of the buccinator muscle?

A) Maxillary tuberosity
B) Pterygomandibular raphe
C) Glossopalatine arch
D) Internal oblique ridge

Question 5

Which of the following muscles inserts onto the coronoid process?

A) Lateral pterygoid muscle
B) Masseter muscle
C) Medial pterygoid muscle
D) Temporalis muscle

Question 6

Which of the following muscles divides the neck region into anterior and posterior cervical triangles?

A) Omohyoid muscle
B) Platysma muscle
C) Sternocleidomastoid muscle
D) Trapezius muscle

Question 7

Which of the following muscles is considered an extrinsic tongue muscle that retracts the tongue?

A) Palatoglossus muscle
B) Inferior longitudinal muscle
C) Styloglossus muscle
D) Genioglossus muscle

Question 8

Which of the following muscles BOTH elevates the tongue and depresses the soft palate during swallowing?

A) Levator veli palatini muscle
B) Palatoglossus muscle
C) Palatopharyngeal muscle
D) Muscle of the uvula

Question 9

Extrinsic tongue muscles are innervated by the _____ cranial nerve.

A) fifth
B) seventh
C) ninth
D) twelfth

Question 10

Which of the following muscles will serve to depress the lower lip?

A) Depressor labii inferioris and depressor anguli oris muscles
B) Depressor labii inferioris and orbicularis oris muscles
C) Depressor labii inferioris and mentalis muscles
D) Depressor labii inferioris and risorius muscles

Question 11

Which of the following muscles originates on the inferior border of the mandible and inserts into the skin tissue of the chin?

A) Depressor labii inferioris muscle
B) Mentalis muscle
C) Depressor anguli oris muscle
D) Orbicularis oris muscle

Question 12

The ______ of a muscle is generally attached to the LEAST movable structure.

A) insertion
B) origin
C) middle
D) beginning

Question 13

Which of the following muscles is NOT considered a suprahyoid muscle?

A) Digastric muscle
B) Mylohyoid muscle
C) Stylohyoid muscle
D) Sternothyroid muscle

Question 14

All three pharyngeal constrictors work to raise the pharynx and larynx during

A) swallowing.
B) gagging.
C) sneezing.
D) chewing.

Question 15

When swallowing, what do the suprahyoid muscles do?

A) Elevate the hyoid bone
B) Depress the hyoid bone
C) Retract the hyoid bone
D) Depress the mandible

Question 16

Which of the following muscles works to protrude the tongue?

A) Hyoglossus muscle
B) Styloglossus muscle
C) Genioglossus muscle
D) Superior longitudinal muscles

Question 17

Which of the following muscles originates on the inferior border of the mandible and inserts at each of the labial commissures?

A) Levator anguli oris muscle
B) Depressor labii inferioris muscle
C) Depressor anguli oris muscle
D) Orbicularis oris muscle

Question 18

Into which of the following categories of head and neck muscles is the omohyoid muscle placed?

A) Intrinsic tongue muscle
B) Extrinsic tongue muscle
C) Suprahyoid muscle
D) Infrahyoid muscle

Question 19

Which of the following muscles when contracted dilates the nostrils?

A) Orbicularis oris muscle
B) Levator labii superioris muscle
C) Levator anguli oris muscle
D) Levator labii superioris alaeque nasi muscle

Question 20

Which of the following muscles when unilaterally contracted deviates the mandible to one side?

A) Masseter muscle
B) Lateral pterygoid muscle
C) Medial pterygoid muscle
D) Temporalis muscle

Question 21

From the following list of muscles, select which are considered muscles of mastication.

A) Buccinator
B) Risorius
C) Platysma
D) Temporalis
E) Masseter

Question 22

Which of the following are considered cervical muscles?

A) Masseter and medial pterygoid muscles
B) Medial and lateral pterygoid muscles
C) Sternocleidomastoid and trapezius muscles
D) Buccinator and epicranial muscles

Question 23

On what structure do BOTH heads of the masseter muscle originate?

A) Zygomatic process of the maxilla
B) Coronoid process
C) Zygomatic process of the frontal bone
D) Zygomatic arch

Question 24

Which of the following muscles when contracted causes a surprised facial expression on a patient?

A) Corrugator supercilii muscle
B) Epicranius muscle
C) Orbicularis oculi muscle
D) Zygomaticus major muscle

Question 25

Which of the following muscles when contracted allows for the retraction of the mandible?

A) Masseter muscle
B) Temporalis muscle
C) Lateral pterygoid muscle
D) Medial pterygoid muscle

Question 26

From the following list of muscles, select which muscles create the faucial pillars in the oral cavity.

A) Palatoglossus
B) Tensor veli palatini
C) Palatopharyngeus
D) Levator veli palatini

Question 27

Facial paralysis can be either temporary or permanent when involving which of the following patient case histories?

A) Trigeminal neuralgia
B) Cerebrovascular accident
C) Parotid salivary gland cancer
D) Peripheral neurectomy

Question 28

What are the two parts of the epicranial muscle named?

A) Frontal and occipital bellies
B) Superior and inferior bellies
C) Anterior and posterior bellies
D) Superior and inferior heads
E) Superficial and deep heads

Question 29

From the following list of muscles, select which are considered muscles of facial expression.

A) Buccinator
B) Risorius
C) Platysma
D) Temporalis
E) Masseter

Question 30

From the following list of muscles, select which are considered suprahyoid muscles.

A) Digastric
B) Mylohyoid
C) Stylohyoid
D) Sternothyroid
E) Omohyoid

Question 31

From the following list of muscles, select which are considered infrahyoid muscles.

A) Digastric
B) Mylohyoid
C) Stylohyoid
D) Sternothyroid
E) Omohyoid