Deck 4: Organogenetic Period: the Fourth to Eighth Weeks

Question 1

________ Ectodermal depression in the neck

A)Limb bud
B)Neuropore
C)Septum transversum
D)Cervical sinus
E)Stomodeum

Answer 1

Cervical sinus

Question 2

______ Oropharyngeal membrane

A)A
B)B
C)C
D)D
E)E

Answer 2

A

Question 3

________ Forms from the paraxial mesoderm

A)A
B)B
C)C
D)D
E)E

Answer 3

E

Question 4

______ Gives rise to a major part of the diaphragm

A)A
B)B
C)C
D)D
E)E

Question 5

______ Separates the amniotic cavity from the hindgut

A)A
B)B
C)C
D)D
E)E

Question 6

________ Closes during the fourth week

A)Limb bud
B)Neuropore
C)Septum transversum
D)Cervical sinus
E)Stomodeum

Question 7

______ Produces embryonic mesoderm

A)A
B)B
C)C
D)D
E)E

Question 8

________ Hyoid arch

A)A
B)B
C)C
D)D
E)E

Question 9

______ Part of the embryonic coelom

A)A
B)B
C)C
D)D
E)E

Question 10

______ Separates the amniotic cavity from the foregut

A)A
B)B
C)C
D)D
E)E

Question 11

______ Site of blood formation in the early embryo

A)A
B)B
C)C
D)D
E)E

Question 12

______ Amnion

A)A
B)B
C)C
D)D
E)E

Question 13

________ Optic groove in neural fold

A)A
B)B
C)C
D)D
E)E

Question 14

________ Outgrowth of the ventrolateral body wall

A)Limb bud
B)Neuropore
C)Septum transversum
D)Cervical sinus
E)Stomodeum

Question 15

______ Second pharyngeal arch

A)A
B)B
C)C
D)D
E)E

Question 16

________ Neuropore

A)A
B)B
C)C
D)D
E)E

Question 17

________ Gives rise to the mandible

A)A
B)B
C)C
D)D
E)E

Question 18

______ Cloaca

A)A
B)B
C)C
D)D
E)E

Question 19

________ Forms the major part of the diaphragm

A)Limb bud
B)Neuropore
C)Septum transversum
D)Cervical sinus
E)Stomodeum

Question 20

________ Primordial mouth

A)Limb bud
B)Neuropore
C)Septum transversum
D)Cervical sinus
E)Stomodeum

Question 21

______ Gives rise to the upper jaw

A)A
B)B
C)C
D)D
E)E

Question 22

______ Stomodeum

A)A
B)B
C)C
D)D
E)E

Question 23

______ Defect in its formation results in a severe type of spina bifida

A)A
B)B
C)C
D)D
E)E

Question 24

______ Will form the lower jaw

A)A
B)B
C)C
D)D
E)E