Other possible MCQ 3-4

Question 1

Which significant change occurs in the fifth prenatal week?
a. The heart begins to beat.
b. The bilateral placodes develop into nostrils.
c. The palatine shelves grow medially and contact the tongue.
d The eyes move from the side of the face to the front of the face.

Answer 1

b. The bilateral placodes develop into nostrils.

Question 2

Which muscle grows around the oral pit in the sixth prenatal week?
a. Buccinator
b Mylohyoid
c. Orbicularis oris
d. Zygomatic major

Answer 2

c. Orbicularis oris

Question 3

A combination of genetic and _____ factors are associated with palatal and facial clefts.
a. social
b. behavioral
c. age-related
d. environmental

Answer 3

d. environmental

Question 4

Each cranial nerve innervates the tongue, EXCEPT one. Which is the EXCEPTION?
a. V
b. VII
c. VIII
d. X

Answer 4

c. VIII

Question 5

Which best defines the term nasal fin?

a. Oblique groove extending from the nostrils to the eyes
b. Medial nasal process that composes part of the upper lip
c. Zone of fusion that binds the maxillary and medial processes
d. Wedge-shaped process that assists in the formation of the palate

Answer 5

c. Zone of fusion that binds the maxillary and medial processes

Question 6

The thyroid gland descends to the front of the trachea, attached to the tongue by the thyroglossal ________.
a. duct
b. cyst
c. fistula
d. swelling

Answer 6

a. duct

Question 7

Which best defines the term fusion?

a. A separation of tissues
b. The enzymatic action that results in self-destruction
c. A merging of adjacent tissues during orofacial development
d. The period of growth in which the face becomes recognizably human

Answer 7

c. A merging of adjacent tissues during orofacial development

Question 8

A swelling that opens on the surface of the neck is called a thyroglossal _________.
a. cyst
b. duct
c. gland
d. fistula

Answer 8

d. fistula

Question 9

A cleft may occur in the _______.
a. lip
b. palate
c. mandible
d. lip, palate, and mandible

Answer 9

d. lip, palate, and mandible

Question 10

Palatal development occurs during the __________ weeks of gestation.
a. first to third
b. fourth to sixth
c. seventh to ninth
d. tenth to twelfth

Answer 10

c. seventh to ninth

Question 11

The heart begins pumping blood during which week of gestation?
a. Fourth
b. Fifth
c. Sixth
d. Seventh

Answer 11

a. Fourth

Question 12

The second pharyngeal arch is also known as the __________ arch.
a. hyoid
b. inferior
c. superior
d. mandibular

Answer 12

a. hyoid

Question 13

Auricular hillocks develop near which location?
a. External ear canal
b. Tuberculum impar
c. Medial nasal process
d. Oronasal optic groove

Answer 13

a. External ear canal

Question 14

In the fifth week, the frontal a. process becomes known as the:
a. frontonasal process.
b. philtrum.
c. medial nasal process.
d. lateral nasal process.

Answer 14

a. frontonasal process.

Question 15

The oral and nasal cavities are separated by the
a. alveolar bone.
b. anterior nasal spine.
c. palate.
d. nasal septum.

Answer 15

c. palate.

Question 16

The thyroid gland originates from
a. foramen cecum.
b. muscles of the occipital myotomes.
c. the auricular hillocks.
d. the palatine shelves.

Answer 16

a. foramen cecum.

Question 17

Each of the following is part of Waldeyer’s tonsillar ring EXCEPT one. Which is the EXCEPTION?
a. Lingual tonsil
b. Palatine tonsil
c. Pharyngeal tonsil
d. Foramen cecum

Answer 17

d. Foramen cecum

Question 18

The word for programmed cell death during palatal shelf elevation and closure is
a. fusion.
b. merging.
c. apoptosis.
d. migration.

Answer 18

c. apoptosis.

Question 19

In which direction do the palatine shelves grow on contact with the tongue in the seventh prenatal week?
a. Upward
b. Downward
c. Anteriorly
d. Posteriorly

Answer 19

b. Downward

Question 20

Development of the upper lip depends on fusion of the philtrum and maxillary processes.
T or F

Answer 20

True

Question 21

The tongue’s immovable base develops from the first branchial arch.
T or F

Answer 21

False

Question 22

Cleft palate is the most common facial malformation.
T or F

Answer 22

False

Question 23

Palatal shelf elevation occurs slowly, over the course of several weeks.
T or F

Answer 23

False

Question 24

White males develop a cleft lip more often than white females.
T or F

Answer 24

True

Question 25

Cleft palate will not occur without cleft lip. T or F

Answer 25

False

Question 26

Epithelial cysts occasionally arise along the path of thyroid descent. T or F

Answer 26

True

Question 27

An opening of a nostril into the oral cavity is classified as an incomplete cleft lip. T or F

Answer 27

False

Question 28

The eyes move to the front of the face in the sixth week of prenatal development. T or F

Answer 28

True

Question 29

Bilateral nasal placodes appear in the seventh week of gestation. T or F

Answer 29

False

Question 30

Which defines the term synchondrosis? a. The rod-shaped cartilage of the hyoid arch. b. The center of all growth and function in the mandible. c. A band of connective tissue containing osteogenic cells. d. A union of two bones that have been separated by cartilage.

Answer 30

d. A union of two bones that have been separated by cartilage.

Question 31

Which type of bone protects the brain? a. Short b. Dermal c. Sesamoid d. Membrane

Answer 31

d. Membrane

Question 32

In the first 20 weeks, the prenatal mandible articulates with which bone(s)? a. Incus b. Malleus c. Stapes d. Both A and B

Answer 32

d. Both A and B

Question 33

Which of the following arises from the first pharyngeal arch? a. Inferior hyoid b. Laryngeal cartilages c. Tissues that form the cheeks d. Muscles of facial expression

Answer 33

c. Tissues that form the cheeks

Question 34

Which of the following is not a muscle of mastication? a. Masseter b. Temporalis c. Orbicularis oculi d. Lateral pterygoid

Answer 34

c. Orbicularis oculi

Question 35

The face develops in the ____________ prenatal weeks. a. first to third b. fourth to seventh c. eighth to eleventh d. twelfth to fourteenth

Answer 35

b. fourth to seventh

Question 36

The thymus gland arises from which branchial arch? a. I b. II c. III d. IV

Answer 36

c. III

Question 37

Which branchial arches form the hyoid bone? a. I and II b. II and III c. III and IV d. IV and V

Answer 37

b. II and III

Question 38

The primitive mouth is known as the _________. a. basion b. sella turcica c. stomodeum d. tympanic membrane

Answer 38

c. stomodeum

Question 39

After the fifth prenatal week, the first and fifth branchial arches grow toward each other and over other arches. This overgrowth obscures the external pharyngeal grooves. a. Both statements are true. b. Both statements are false. c. The first statement is true; the second is false. d. The first statement is false; the second is true.

Answer 39

d. The first statement is false; the second is true.

Question 40

Which bones support the palatine shelf? a. Maxillary b. Temporal c. Zygomatic d. Mandibular

Answer 40

a. Maxillary

Question 41

The stomodeum first appears in the __________ week of prenatal development. a. second b. fourth c. sixth d. eighth

Answer 41

b. fourth

Question 42

Meckel's cartilage provides structure for the developing _______. a. maxilla b. mandible c. temporal bone d. zygomatic bone

Answer 42

b. mandible

Question 43

Blood vessels in the third pharyngeal arch form the __________. a. dorsal aorta b. common carotid arteries c. pulmonary blood vessels d. dorsal aorta, common carotid arteries, and pulmonary blood vessels

Answer 43

b. common carotid arteries

Question 44

The superior parathyroid develops from the ________ pharyngeal pouch, whereas the inferior parathyroid develops from the _______. a. fourth; third b. third; fourth c. fifth; second d. second; fifth

Answer 44

a. fourth; third

Question 45

The ultimobranchial body is the origin of which hormone? a. Insulin b. Calcitonin c. Dopamine d. Testosterone

Answer 45

b. Calcitonin

Question 46

The mandible is formed from which pharyngeal arch? a. First b. Second c. Third d. Fourth

Answer 46

a. First

Question 47

The cranial base is determined by drawing a line from the nasal bone (nasion) to which structure? a. External auditory canal b. Tragus of the ear c. Petrous portion of the temporal bone d. Sella turcica

Answer 47

d. Sella turcica

Question 48

The heart begins beating at the end of which week? a. Second b. Fourth c. Sixth d. Eighth

Answer 48

b. Fourth

Question 49

Each of the following sutures is a facial suture EXCEPT one. Which is the EXCEPTION? a. Frontomaxillary b. Sagittal c. Zygomaticomaxillary d. Zygomaticotemporal

Answer 49

b. Sagittal

Question 50

Which type of facial suture has a beveled or overlapping junction? a. Simple b. Serrated c. Synchondrosis d. Squamosal

Answer 50

d. Squamosal

Question 51

A pharyngeal fistula opens to drain on the: a. cheek. b. buccal mucosa. c. side of the neck and the pharynx. d. chest.

Answer 51

c. side of the neck and the pharynx.

Question 52

Which gland regulates the body's calcium balance? a. Thyroid b. Parathyroid c. Pancreas d. Adrenal

Answer 52

b. Parathyroid

Question 53

Sutures are fibrous joints. T or F

Answer 53

True

Question 54

Facial muscles develop from the second pharyngeal arch. T or F

Answer 54

True

Question 55

The nasal capsule contains the organ of smell. T or F

Answer 55

True

Question 56

The mandible develops from the second branchial arch. T or F

Answer 56

False

Question 57

The muscles of facial expression arise from the hyoid arch. T or F

Answer 57

True

Question 58

The glossopharyngeal nerve (IX) provides taste sensation to the anterior two thirds of the tongue. T or F

Answer 58

False

Question 59

Branchial clefts may be found along the anterior border of the trapezius muscle. T or F

Answer 59

False

Question 60

Meckel's cartilage acts as a framework for the developing mandible. T or F

Answer 60

True