Illustrated Anatomy of the Head And Neck 5th Edition By Fehrenbach – Test Bank
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Sample
Questions
Chapter 04: Muscular System
Fehrenbach: Illustrated Anatomy of the Head and Neck, 5th
Edition
MULTIPLE CHOICE
1. The
______ of a muscle is generally attached to the LEAST movable structure.
|
a. |
insertion |
|
b. |
origin |
|
c. |
middle |
|
d. |
beginning |
ANS: B
|
|
Feedback |
|
A |
The insertion of a muscle
is generally attached to the more movable structure. |
|
B |
The origin of a muscle is
generally attached to the least movable structure. |
|
C |
The insertion is the end of
a muscle attached to the more movable structure. |
|
D |
The insertion is the end of
a muscle attached to the more movable structure. |
DIF:
Recall
REF: p. 92
OBJ: 3
TOP: CDA: General Chairside, I. A. Demonstrate
understanding of basic oral and dental anatomy, physiology, and development
MSC: NBDHE, Scientific Basis for Dental Hygiene Practice,
1.1.1 Head and Neck Anatomy
2. 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 |
ANS: C
|
|
Feedback |
|
A |
The levator anguli oris
muscle originates on the canine fossa of the maxilla and inserts into each
labial commissure, elevating the labial commissure. |
|
B |
The depressor labii
inferioris muscle inserts into the skin of the lower lip. |
|
C |
The depressor anguli oris
muscle originates on the inferior border of the mandible. It inserts into
each labial commissure and pulls each labial commissure down. |
|
D |
The orbicularis oris muscle
encircles the mouth. |
DIF: Recall
REF: p.
101
OBJ: 2 | 3
TOP: CDA: General Chairside, I. A. Demonstrate
understanding of basic oral and dental anatomy, physiology, and development
MSC: NBDHE, Scientific Basis for Dental Hygiene Practice,
1.1.1 Head and Neck Anatomy
3. Which
of the following muscles is NOT considered a suprahyoid muscle?
|
a. |
Digastric muscle |
|
b. |
Mylohyoid muscle |
|
c. |
Stylohyoid muscle |
|
d. |
Sternothyroid muscle |
ANS: D
|
|
Feedback |
|
A |
The digastric muscle has
two bellies; one that is an anterior and one that is a posterior suprahyoid
muscle. The anterior belly originates on a tendon on the body of the hyoid
bone and inserts onto the mandibular symphysis on the medial surface of the
mandible. The posterior belly originates on the mastoid notch and inserts
into the intermediate tendon on the hyoid bone. |
|
B |
The mylohyoid muscle is a
suprahyoid muscle that forms the floor of the mouth. It originates on the
mylohyoid line of the mandible and inserts medially into the opposite
mylohyoid muscle and onto the hyoid bone. |
|
C |
The stylohyoid muscle is a
suprahyoid muscle that originates on the styloid process and inserts onto the
hyoid bone. |
|
D |
The sternothyroid muscle is
located inferior to the hyoid bone. It originates on the sternum and inserts
into the thyroid gland and cartilage. |
DIF:
Recall
REF: p.
107
OBJ: 2 | 3
TOP: CDA: General Chairside, I. A. Demonstrate
understanding of basic oral and dental anatomy, physiology, and development
MSC: NBDHE, Scientific Basis for Dental Hygiene Practice,
1.1.1 Head and Neck Anatomy
4. Which
of the following muscles raises each labial commissure of the lips to
contribute to a patient’s smile?
|
a. |
Zygomaticus major muscle |
|
b. |
Buccinator muscle |
|
c. |
Platysma muscle |
|
d. |
Epicranius muscle |
ANS: A
|
|
Feedback |
|
A |
The zygomaticus major
muscle elevates each labial commissure and pulls it laterally. It originates
on the zygomatic bone and inserts into each labial commissure. |
|
B |
The buccinator muscle forms
the anterior part of the cheek and lateral wall of the oral cavity. It pulls
each labial commissure laterally and compresses the cheek to force food onto
the occlusal table during chewing. |
|
C |
The platysma muscle is
located inferior to the mouth and acts to pull each labial commissure down. |
|
D |
The epicranius muscle is
located within the scalp area and does NOT insert into either labial
commissure. |
DIF:
Comprehension
REF: p. 101
OBJ: 3
TOP: CDA: General Chairside, I. A. Demonstrate
understanding of basic oral and dental anatomy, physiology, and development
MSC: NBDHE, Scientific Basis for Dental Hygiene Practice,
1.1.1 Head and Neck Anatomy
5. 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 |
ANS: B
|
|
Feedback |
|
A |
The buccinator muscle does
NOT originate on the maxillary tuberosity. |
|
B |
The three origins for the
buccinator muscle are the alveolar processes of the maxilla and mandible as
well as the pterygomandibular raphe. |
|
C |
The pterygomandibular raphe
does NOT originate on the glossopalatine arch. |
|
D |
The pterygomandibular raphe
does NOT originate on the internal oblique ridge. |
DIF:
Recall
REF: p.
99
OBJ: 3
TOP: CDA: General Chairside, I. A. Demonstrate
understanding of basic oral and dental anatomy, physiology, and development
MSC: NBDHE, Scientific Basis for Dental Hygiene Practice,
1.1.1 Head and Neck Anatomy
6. 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 |
ANS: C
|
|
Feedback |
|
A |
The palatoglossus muscle
elevates the tongue against the soft palate during swallowing but is an
extrinsic tongue muscle. |
|
B |
The inferior longitudinal
muscles are intrinsic tongue muscles. |
|
C |
The styloglossus muscle
moves the tongue superiorly and posteriorly and is an extrinsic tongue
muscle. |
|
D |
The genioglossus muscle
acts to protrude the tongue but is an extrinsic tongue muscle. |
DIF:
Recall
REF: p.
112
OBJ: 3
TOP: CDA: General Chairside, I. A. Demonstrate
understanding of basic oral and dental anatomy, physiology, and development
MSC: NBDHE, Scientific Basis for Dental Hygiene Practice,
1.1.1 Head and Neck Anatomy
7. All
three pharyngeal constrictors work to raise the pharynx and larynx during
|
a. |
swallowing. |
|
b. |
gagging. |
|
c. |
sneezing. |
|
d. |
chewing. |
ANS: A
|
|
Feedback |
|
A |
All three pharyngeal
constrictors work to raise the pharynx and larynx during swallowing. |
|
B |
All three pharyngeal constrictors
work to raise the pharynx and larynx during swallowing. |
|
C |
All three pharyngeal
constrictors work to raise the pharynx and larynx during swallowing. |
|
D |
All three pharyngeal
constrictors work to raise the pharynx and larynx during swallowing. |
DIF:
Recall
REF: p.
112
OBJ: 4
TOP: CDA: General Chairside, I. A. Demonstrate
understanding of basic oral and dental anatomy, physiology, and development
MSC: NBDHE, Scientific Basis for Dental Hygiene Practice,
1.1.1 Head and Neck Anatomy
8. Which
of the following muscles inserts onto the coronoid process?
|
a. |
Lateral pterygoid muscle |
|
b. |
Masseter muscle |
|
c. |
Medial pterygoid muscle |
|
d. |
Temporalis muscle |
ANS: D
|
|
Feedback |
|
A |
The lateral pterygoid
muscle inserts onto the pterygoid fovea of the neck of the condyle, and some
fibers insert onto the capsule of the temporomandibular joint. |
|
B |
The masseter muscle inserts
onto the mandibular ramus and angle of the mandible. |
|
C |
The medial pterygoid muscle
inserts both heads onto the medial surface of the mandibular ramus and angle
of the mandible. |
|
D |
The temporalis muscle,
which originates on the temporal fossa, inserts onto the coronoid process of
the mandible, working to elevate the mandible. |
DIF:
Recall
REF: p. 104, Table
4-3
OBJ: 3
TOP: CDA: General Chairside, I. A. Demonstrate
understanding of basic oral and dental anatomy, physiology, and development
MSC: NBDHE, Scientific Basis for Dental Hygiene Practice,
1.1.1 Head and Neck Anatomy
9. When
a patient swallows, how are the suprahyoid muscles involved?
|
a. |
Elevate the hyoid bone |
|
b. |
Depress the hyoid bone |
|
c. |
Retract the hyoid bone |
|
d. |
Depress the mandible |
ANS: A
|
|
Feedback |
|
A |
The suprahyoid muscles will
elevate the hyoid bone and larynx if the mandible is stabilized when
swallowing. |
|
B |
The suprahyoid muscles do
NOT depress the hyoid bone during swallowing. |
|
C |
The suprahyoid muscles do
NOT retract the hyoid bone during swallowing. |
|
D |
The suprahyoid muscles do
NOT depress the mandible during swallowing. |
DIF:
Comprehension
REF: p. 107
OBJ: 4
TOP: CDA: General Chairside, I. A. Demonstrate understanding
of basic oral and dental anatomy, physiology, and development
MSC: NBDHE, Scientific Basis for Dental Hygiene Practice,
1.1.1 Head and Neck Anatomy
10. 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 |
ANS: D
|
|
Feedback |
|
A |
The omohyoid muscle is NOT
located within the tongue, so it is NOT an intrinsic tongue muscle. |
|
B |
The omohyoid muscle does
NOT insert into the tongue, so it is NOT an extrinsic tongue muscle. |
|
C |
The omohyoid muscle is
located inferior to the hyoid bone and thus is NOT a suprahyoid muscle. |
|
D |
The omohyoid muscle is
located inferior to the hyoid bone, so it is an infrahyoid muscle. It
originates on the scapula; travels deep to the sternocleidomastoid muscle,
where it attaches to a short tendon; and inserts on the hyoid bone. |
DIF:
Recall
REF: p.
108
OBJ: 3
TOP: CDA: General Chairside, I. A. Demonstrate
understanding of basic oral and dental anatomy, physiology, and development
MSC: NBDHE, Scientific Basis for Dental Hygiene Practice,
1.1.1 Head and Neck Anatomy
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 |
ANS: B
|
|
Feedback |
|
A |
The depressor labii
inferioris muscle originates on the inferior border of the mandible but
inserts into the lower lip. |
|
B |
The mentalis muscle
originates on the inferior border of the mandible and inserts into the skin
of the chin, wrinkling the chin and protruding the lower lip when activated. |
|
C |
The depressor anguli oris
muscle originates on the inferior border of the mandible but inserts into
each labial commissure. |
|
D |
The orbicularis oris muscle
encircles the mouth. |
DIF:
Recall
REF: p.
101
OBJ: 3
TOP: CDA: General Chairside, I. A. Demonstrate
understanding of basic oral and dental anatomy, physiology, and development
MSC: NBDHE, Scientific Basis for Dental Hygiene Practice,
1.1.1 Head and Neck Anatomy
12. Which
of the following muscles works to protrude the tongue on a patient?
|
a. |
Hyoglossus muscle |
|
b. |
Styloglossus muscle |
|
c. |
Genioglossus muscle |
|
d. |
Superior longitudinal
muscles |
ANS: C
|
|
Feedback |
|
A |
The hyoglossus muscle
depresses the tongue. |
|
B |
The styloglossus muscle
retracts the tongue. |
|
C |
The genioglossus muscle
originates on the genial tubercles and inserts into the tongue. Its action is
to pull the insertion area toward the origin, which will result in pulling
the tongue anterior and protruding it. |
|
D |
Superior longitudinal muscles
work with the inferior longitudinal muscles to shape the tongue by shortening
and thickening it. These muscles will also curl the tongue in various ways
when activated individually. |
DIF:
Comprehension
REF: p. 112
OBJ: 3
TOP: CDA: General Chairside, I. A. Demonstrate
understanding of basic oral and dental anatomy, physiology, and development
MSC: NBDHE, Scientific Basis for Dental Hygiene Practice,
1.1.1 Head and Neck Anatomy
13. Extrinsic
tongue muscles are innervated by the _____ cranial nerve.
|
a. |
fifth |
|
b. |
seventh |
|
c. |
ninth |
|
d. |
twelfth |
ANS: D
|
|
Feedback |
|
A |
The fifth cranial nerve is
the trigeminal nerve and does NOT innervate the extrinsic tongue muscles. |
|
B |
The seventh cranial nerve
is the facial nerve and does NOT innervate the extrinsic tongue muscles. |
|
C |
The ninth cranial nerve is
the glossopharyngeal nerve and does NOT innervate the extrinsic tongue
muscles. |
|
D |
The twelfth cranial nerve
is the hypoglossal nerve and innervates the extrinsic tongue muscles. |
DIF:
Recall
REF: p.
112
OBJ: 3
TOP: CDA: General Chairside, I. A. Demonstrate
understanding of basic oral and dental anatomy, physiology, and development
MSC: NBDHE, Scientific Basis for Dental Hygiene Practice,
1.1.1 Head and Neck Anatomy
14. 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 |
ANS: B
|
|
Feedback |
|
A |
The levator veli palatini
muscle raises the soft palate and does NOT elevate the tongue. |
|
B |
The palatoglossus muscle’s
action is to elevate the base of the tongue as the soft palate is depressed toward
the tongue. This action helps separate the soft palate and pharynx during
swallowing to prevent movement of the food bolus into the nasal cavity. |
|
C |
The palatopharyngeal muscle
moves the soft palate posteroinferiorly and the posterior pharyngeal wall
anterosuperiorly and does NOT elevate the tongue. |
|
D |
The muscle of the uvula
muscle shortens and broadens the uvula, helping to close off the nasopharynx
during swallowing. It does NOT elevate the tongue. |
DIF:
Comprehension
REF: pp. 114-115 OBJ: 4
TOP: CDA: General Chairside, I. A. Demonstrate
understanding of basic oral and dental anatomy, physiology, and development
MSC: NBDHE, Scientific Basis for Dental Hygiene Practice,
1.1.1 Head and Neck Anatomy
15. 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 |
ANS: B
|
|
Feedback |
|
A |
The buccinator muscle is
NOT actively involved in closing the mouth while grinding (bruxing) or
clenching the teeth. |
|
B |
The masseter muscle, a
strong muscle of mastication involved in elevating the mandible and closing
the mouth, can become enlarged in people who habitually clench or grind their
teeth (bruxism). |
|
C |
The temporalis muscle,
while involved in elevating and retracting the mandible when closing the
mouth, does NOT become enlarged as a result of clenching the teeth. |
|
D |
The zygomatic muscle is a
muscle of facial expression associated with lifting each labial commissure
when smiling. |
DIF: Application
REF: p.
104
OBJ: 4
TOP: CDA: General Chairside, I. A. Demonstrate
understanding of basic oral and dental anatomy, physiology, and development
MSC: NBDHE, Scientific Basis for Dental Hygiene Practice,
1.1.1 Head and Neck Anatomy
16. 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 |
ANS: C
|
|
Feedback |
|
A |
The omohyoid muscle, which
is located more inferiorly, serves to further divide the anterior and
posterior triangles of the neck into smaller triangles. |
|
B |
The platysma muscle is
located anteriorly in the neck within the anterior cervical triangle and does
NOT divide the neck into anterior and posterior triangles. |
|
C |
The sternocleidomastoid
muscle, which originates on the medial part of the clavicle and the sternum
and inserts into the mastoid process, is prominently positioned on the side
of the neck to divide the neck region into anterior and posterior cervical
triangles. |
|
D |
The trapezius muscle is a
flat, triangular-shaped muscle that is located on the lateral and posterior
surfaces of the neck and does NOT divide the neck region into anterior and
posterior triangles. |
DIF:
Recall
REF: p.
93
OBJ: 2 | 3
TOP: CDA: General Chairside, I. A. Demonstrate
understanding of basic oral and dental anatomy, physiology, and development
MSC: NBDHE, Scientific Basis for Dental Hygiene Practice,
1.1.1 Head and Neck Anatomy
17. 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 |
ANS: C
|
|
Feedback |
|
A |
Levator anguli oris muscle
does elevate each labial commissure, helping to lift the lip as in a smile. |
|
B |
The levator labii
superioris alaeque nasi muscle does work to elevate the upper lip. |
|
C |
The risorius muscle does
NOT elevate the upper lip. Instead it works to retract the corners of the lip
as in a grimace and has some fibers that connect with the platysma muscle. |
|
D |
The zygomaticus major
muscle does work to elevate each labial commissure, helping to lift the lip
as in a smile. |
DIF:
Recall
REF: pp. 99-101 OBJ: 3
TOP: CDA: General Chairside, I. A. Demonstrate
understanding of basic oral and dental anatomy, physiology, and development
MSC: NBDHE, Scientific Basis for Dental Hygiene Practice,
1.1.1 Head and Neck Anatomy
18. 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 |
ANS: B
|
|
Feedback |
|
A |
The masseter muscle works
only to elevate the mandible. |
|
B |
An action of both of the
lateral pterygoid muscles is to protrude the mandible. If only one lateral
pterygoid muscle contracts, the lower jaw shifts toward the opposite side,
causing lateral deviation of the mandible. |
|
C |
The medial pterygoid muscle
only works to elevate the mandible. |
|
D |
The temporalis muscle only
works to elevate and retract the mandible. |
DIF:
Recall
REF: pp. 106-107 OBJ: 3
TOP: CDA: General Chairside, I. A. Demonstrate
understanding of basic oral and dental anatomy, physiology, and development
MSC: NBDHE, Scientific Basis for Dental Hygiene Practice,
1.1.1 Head and Neck Anatomy
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 |
ANS: D
|
|
Feedback |
|
A |
The orbicularis oris muscle
encircles the mouth. |
|
B |
The levator labii
superioris muscle inserts into the skin of the upper lip, NOT into the ala of
the nose. |
|
C |
The levator anguli oris
muscle inserts into the labial commissure and does NOT insert into the ala of
the nose. |
|
D |
Some fibers of the levator
labii superioris alaeque nasi muscle insert into the skin tissue of the ala
of the nose and thus can dilate the nose when the muscle contracts. |
DIF:
Recall
REF: p. 97, Table
4-2
OBJ: 3
TOP: CDA: General Chairside, I. A. Demonstrate
understanding of basic oral and dental anatomy, physiology, and development
MSC: NBDHE, Scientific Basis for Dental Hygiene Practice,
1.1.1 Head and Neck Anatomy
20. 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 |
ANS: A
|
|
Feedback |
|
A |
Both the depressor labii
inferioris and the depressor anguli oris muscle serve to depress a part of
the lower lip. |
|
B |
The orbicularis oris muscle
does NOT serve to depress the lower lip. |
|
C |
The mentalis muscle does
NOT serve to depress the lower lip. |
|
D |
The risorius muscle does
NOT serve to depress the lower lip. |
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