Question 1

________ Ventral layer of embryonic disc

Accepted Answer

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

Question 2

________ Head constitutes about half of the fetus

Accepted Answer

A)  12 weeks 
B)  16 weeks 
C)  20 weeks 
D)  25 weeks 
E)  29 weeks 
A)  12 weeks 
B)  16 weeks 
C)  20 weeks 
D)  25 weeks 
E)  29 weeks

Question 3

________ Produces cerebrospinal fluid (CSF)

Accepted Answer

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

Question 4

________ Chorionic sac

Accepted Answer

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

Question 5

________ Polar body

Accepted Answer

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

Question 6

________ Maternal part of placenta

Accepted Answer

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

Question 7

________ Styloid process

Accepted Answer

A)  Centrum 
B)  Epiphysial plate 
C)  Frontal bone 
D)  Anterior fontanelle 
E)  Cartilaginous viscerocranium 
A)  Centrum 
B)  Epiphysial plate 
C)  Frontal bone 
D)  Anterior fontanelle 
E)  Cartilaginous viscerocranium

Question 8

________ Degenerates in females

Accepted Answer

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

Question 9

________ Decidua parietalis

Accepted Answer

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

Question 10

________ Its free border contains the umbilical vein

Accepted Answer

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

Question 11

______ Oropharyngeal membrane

Accepted Answer

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

Question 12

________ Gives rise to the lateral palatine process

Accepted Answer

A)  First pharyngeal arch 
B)  Second pharyngeal arch 
C)  Third pharyngeal arch 
D)  Fourth pharyngeal arch 
E)  Sixth pharyngeal arch 
A)  First pharyngeal arch 
B)  Second pharyngeal arch 
C)  Third pharyngeal arch 
D)  Fourth pharyngeal arch 
E)  Sixth pharyngeal arch

Question 13

______ Cloaca

Accepted Answer

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

Question 14

________ Exerts an inductive influence

Accepted Answer

A)  Upper limb 
B)  Apical ectodermal ridge 
C)  Somites 
D)  Meromelia 
E)  Lower limb 
A)  Upper limb 
B)  Apical ectodermal ridge 
C)  Somites 
D)  Meromelia 
E)  Lower limb

Question 15

________ Future pleural cavity

Accepted Answer

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

Question 16

________ Odontoblasts

Accepted Answer

A)  Dental pulp 
B)  Predentin 
C)  Dental sac 
D)  Enamel 
E)  Cement 
A)  Dental pulp 
B)  Predentin 
C)  Dental sac 
D)  Enamel 
E)  Cement

Question 17

________ Fused layers of enamel epithelia

Accepted Answer

A)  Tetracyclines 
B)  Ameloblastic layer 
C)  Hair follicles 
D)  Neural crest cells 
E)  Epithelial root sheath of the developing tooth 
A)  Tetracyclines 
B)  Ameloblastic layer 
C)  Hair follicles 
D)  Neural crest cells 
E)  Epithelial root sheath of the developing tooth

Question 18

________ Becomes specialized for sensitivity to light

Accepted Answer

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

Question 19

________ Site of the decidual reaction

Accepted Answer

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

Question 20

________ Inner cells of the dental sac

Accepted Answer

A)  Dental pulp 
B)  Predentin 
C)  Dental sac 
D)  Enamel 
E)  Cement 
A)  Dental pulp 
B)  Predentin 
C)  Dental sac 
D)  Enamel 
E)  Cement

Exam 1: Gametogenesis and Fertilization

________ Ventral layer of embryonic disc

________ Head constitutes about half of the fetus

________ Produces cerebrospinal fluid (CSF)

________ Chorionic sac

________ Polar body

________ Maternal part of placenta

________ Styloid process

________ Degenerates in females

________ Decidua parietalis

________ Its free border contains the umbilical vein

______ Oropharyngeal membrane

________ Gives rise to the lateral palatine process

______ Cloaca

________ Exerts an inductive influence

________ Future pleural cavity

________ Odontoblasts

________ Fused layers of enamel epithelia

________ Becomes specialized for sensitivity to light

________ Site of the decidual reaction

________ Inner cells of the dental sac

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