Deck 4: Development of the Face and Palate

Question 1

Epithelial cysts occasionally arise along the path of thyroid descent.

Answer 1

True

Question 2

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

Answer 2

True

Question 3

A swelling that opens on the surface of the neck is called a thyroglossal _________.

A) cyst
B) duct
C) gland
D) fistula

Answer 3

fistula

Question 4

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

Question 5

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.

Question 6

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

Question 7

Cleft palate is the most common facial malformation.

Question 8

A cleft may occur in the _______.

A) lip
B) palate
C) mandible
D) lip, palate, and mandible

Question 9

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

Question 10

The second pharyngeal arch is also known as the __________ arch.

A) hyoid
B) inferior
C) superior
D) mandibular

Question 11

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

Question 12

Cleft palate will not occur without cleft lip.

Question 13

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

Question 14

Auricular hillocks develop near which location?

A) External ear canal
B) Tuberculum impar
C) Medial nasal process
D) Oronasal optic groove

Question 15

The tongue's immovable base develops from the first branchial arch.

Question 16

Each cranial nerve innervates the tongue,except one.Which is the exception?

A) V
B) VII
C) VIII
D) X

Question 17

The heart begins pumping blood during which week of gestation?

A) Fourth
B) Fifth
C) Sixth
D) Seventh

Question 18

A combination of genetic and _____ factors are associated with palatal and facial clefts.

A) social
B) behavioral
C) age-related
D) environmental

Question 19

Which muscle grows around the oral pit in the sixth prenatal week?

A) Buccinator
B) Mylohyoid
C) Orbicularis oris
D) Zygomatic major

Question 20

Palatal development occurs during the __________ weeks of gestation.

A) first to third
B) fourth to sixth
C) seventh to ninth
D) tenth to twelfth

Question 21

The origin of the thyroid gland is the ________ _________.

Question 22

List the components of the Waldeyer tonsillar ring.

Question 23

Identity two examples of apoptosis in prenatal development.

Question 24

Bilateral nasal placodes appear in the seventh week of gestation.

Question 25

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

Question 26

The _________ separates the oral and nasal cavities.

Question 27

In the fifth week,the frontal process becomes known as the _______ process.

Question 28

In which direction do the palatine shelves grow on contact with the tongue in the seventh prenatal week?

Question 29

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