Question 1

________ Ductus venosus

Accepted Answer

A)  Ductus arteriosus 
B)  Septum primum 
C)  Sixth pharyngeal arch artery 
D)  Sinus venosus 
E)  Umbilical vein 
A)  Ductus arteriosus 
B)  Septum primum 
C)  Sixth pharyngeal arch artery 
D)  Sinus venosus 
E)  Umbilical vein

Question 2

________ Degenerates and disappears

Accepted Answer

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

Question 3

________ Gives rise to the lens

Accepted Answer

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

Question 4

________ Neurocentral joint

Accepted Answer

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

Question 5

________ Umbilical arteries

Accepted Answer

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

Question 6

________ Sympathetic ganglion cells

Accepted Answer

A)  Neural crest cells 
B)  Alar plates 
C)  Basal plates 
D)  Neuroepithelium 
E)  Spinal ganglion cells 
A)  Neural crest cells 
B)  Alar plates 
C)  Basal plates 
D)  Neuroepithelium 
E)  Spinal ganglion cells

Question 7

________ Bud of the permanent tooth

Accepted Answer

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

Question 8

________ Directs blood into the left atrium

Accepted Answer

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

Question 9

________ Fetal surface of placenta

Accepted Answer

A)  Anchoring villi 
B)  Cytotrophoblast 
C)  Amnion 
D)  Battledore placenta 
E)  Cotyledons 
A)  Anchoring villi 
B)  Cytotrophoblast 
C)  Amnion 
D)  Battledore placenta 
E)  Cotyledons

Question 10

________ Potent teratogen that affects limb development

Accepted Answer

A)  Cytomegalovirus 
B)  Androgenic agents 
C)  Thalidomide 
D)  Toxoplasma gondii 
E)  Aminopterin 
A)  Cytomegalovirus 
B)  Androgenic agents 
C)  Thalidomide 
D)  Toxoplasma gondii 
E)  Aminopterin

Question 11

________ Forms the basis of the axial skeleton

Accepted Answer

A)  Allantois 
B)  Primitive streak 
C)  Notochord 
D)  Blood island 
E)  Neural plate 
A)  Allantois 
B)  Primitive streak 
C)  Notochord 
D)  Blood island 
E)  Neural plate

Question 12

________ Ensheathed by amnion

Accepted Answer

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

Question 13

________ Derived from a primary oocyte

Accepted Answer

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

Question 14

________ Forms by intramembranous ossification

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 15

________ Ensheaths umbilical cord

Accepted Answer

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

Question 16

________ Melanocytes

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 17

________ Becomes median umbilical ligament

Accepted Answer

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

Question 18

________ Neuroglia

Accepted Answer

A)  Neural crest cells 
B)  Alar plates 
C)  Basal plates 
D)  Neuroepithelium 
E)  Spinal ganglion cells 
A)  Neural crest cells 
B)  Alar plates 
C)  Basal plates 
D)  Neuroepithelium 
E)  Spinal ganglion cells

Question 19

________ Wall of amniotic sac

Accepted Answer

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

Question 20

________ Ectodermal depression in the neck

Accepted Answer

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

Exam 1: Gametogenesis and Fertilization

________ Ductus venosus

________ Degenerates and disappears

________ Gives rise to the lens

________ Neurocentral joint

________ Umbilical arteries

________ Sympathetic ganglion cells

________ Bud of the permanent tooth

________ Directs blood into the left atrium

________ Fetal surface of placenta

________ Potent teratogen that affects limb development

________ Forms the basis of the axial skeleton

________ Ensheathed by amnion

________ Derived from a primary oocyte

________ Forms by intramembranous ossification

________ Ensheaths umbilical cord

________ Melanocytes

________ Becomes median umbilical ligament

________ Neuroglia

________ Wall of amniotic sac

________ Ectodermal depression in the neck

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