Question 1

________ Ductus venosus

Accepted Answer

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

Question 3

________ Gives rise to the lens

Accepted Answer

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

Question 5

________ Umbilical arteries

Accepted Answer

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

Question 7

________ Bud of the permanent tooth

Accepted Answer

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

Question 9

________ Fetal surface of placenta

Accepted Answer

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

Question 11

________ Forms the basis of the axial skeleton

Accepted Answer

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

Question 13

________ Derived from a primary oocyte

Accepted Answer

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

Question 15

________ Ensheaths umbilical cord

Accepted Answer

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

Question 17

________ Becomes median umbilical ligament

Accepted Answer

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

Question 19

________ Wall of amniotic sac

Accepted Answer

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

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