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


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

E) A) and B)
F) A) and C)

Correct Answer

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Meckel's cartilage provides structure for the developing _______.


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

E) C) and D)
F) A) and B)

Correct Answer

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Which branchial arches form the hyoid bone?


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

E) B) and C)
F) A) and D)

Correct Answer

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The primitive mouth is known as the _________.


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

E) A) and B)
F) A) and C)

Correct Answer

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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

E) B) and C)
F) B) and D)

Correct Answer

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

A) True
B) False

Correct Answer

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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

E) B) and C)
F) A) and D)

Correct Answer

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The muscles of facial expression arise from the hyoid arch.

A) True
B) False

Correct Answer

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The thymus gland arises from which branchial arch?


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

E) A) and B)
F) C) and D)

Correct Answer

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

Correct Answer

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The nasal capsule contains the organ of smell.

A) True
B) False

Correct Answer

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