Deck 3: Development of the Oral Facial Region

Question 1

Sutures are fibrous joints.

Answer 1

True

Question 2

After the fifth prenatal week,the first and fifth branchial arches grow toward each other and over the 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 2

Both statements are true.

Question 3

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 3

A union of two bones that have been separated by cartilage

Question 4

In the first 20 weeks,the prenatal mandible articulates with which bone(s)?

A) Incus
B) Malleus
C) Stapes
D) Both A and B

Question 5

The ultimobranchial body is the origin of which hormone?

A) Insulin
B) Calcitonin
C) Dopamine
D) Testosterone

Question 6

The primitive mouth is known as the _________.

A) basion
B) sella turcica
C) stomodeum
D) tympanic membrane

Question 7

The stomodeum first appears in the __________ week of prenatal development.

A) second
B) fourth
C) sixth
D) eighth

Question 8

The nasal capsule contains the organ of smell.

Question 9

Which bones support the palatine shelf?

A) Maxillary
B) Temporal
C) Zygomatic
D) Mandibular

Question 10

Which branchial arches form the hyoid bone?

A) I and II
B) II and III
C) III and IV
D) IV and V

Question 11

The mandible develops from the second branchial arch.

Question 12

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

Question 13

Facial muscles develop from the second pharyngeal arch.

Question 14

Meckel's cartilage provides structure for the developing _______.

A) maxilla
B) mandible
C) temporal bone
D) zygomatic bone

Question 15

The face develops in the ____________ prenatal weeks.

A) first to third
B) fourth to seventh
C) eighth to eleventh
D) twelfth to fourteenth

Question 16

Which of the following is not a muscle of mastication?

A) Masseter
B) Temporalis
C) Orbicularis oculi
D) Lateral pterygoid

Question 17

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

Question 18

The thymus gland arises from which branchial arch?

A) I
B) II
C) III
D) IV

Question 19

Which type of bone protects the brain?

A) Short
B) Dermal
C) Sesamoid
D) Membrane

Question 20

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

Question 21

Identify three facial sutures.

Question 22

Which type of facial suture has a beveled or overlapping junction?

Question 23

Meckel's cartilage acts as a framework for the developing mandible.

Question 24

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

Question 25

Which gland regulates the body's calcium balance?

Question 26

The heart begins beating at the end of the _________ week.

Question 27

The ____ ____ is a cartilage structure,which underlies and supports the brain.

Question 28

In which two locations do pharyngeal fistulas open to drain?

Question 29

The muscles of facial expression arise from the hyoid arch.

Question 30

The mandible is formed from the ________ branchial arch.

Question 31

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