Question 1

________ Primary sex cord

Accepted Answer

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

Question 2

________ Urogenital sinus

Accepted Answer

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

Question 3

________ Hypoblast

Accepted Answer

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

Question 4

________ Closes during the second year

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 5

________ Becomes the pigmented layer of the retina

Accepted Answer

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

Question 6

________ Hypospadias

Accepted Answer

A)  Urogenital folds 
B)  Rete testis 
C)  Glandular plate 
D)  Genital tubercle 
E)  External oblique aponeurosis 
A)  Urogenital folds 
B)  Rete testis 
C)  Glandular plate 
D)  Genital tubercle 
E)  External oblique aponeurosis

Question 7

______ Gives rise to a major part of the diaphragm

Accepted Answer

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

Question 8

________ Primordium of the renal pelvis and calices

Accepted Answer

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

Question 9

________ Appears on extraembryonic membranes

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 10

________ Partitions the cloaca

Accepted Answer

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

Question 11

________ Pulmonary valve stenosis

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 12

________ Formed by fusion of the dorsal aortae

Accepted Answer

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

Question 13

________ Lies between the cytotrophoblast and the epiblast

Accepted Answer

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

Question 14

________ Becomes the external acoustic meatus

Accepted Answer

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

Question 15

________ Webbed neck and short stature

Accepted Answer

A)  47, XXX 
B)  45, XO 
C)  Trisomy 18 
D)  Trisomy 21 
E)  47, XXY 
A)  47, XXX 
B)  45, XO 
C)  Trisomy 18 
D)  Trisomy 21 
E)  47, XXY

Question 16

________ Internal branchial sinus

Accepted Answer

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

Question 17

________ Forms the thalamus

Accepted Answer

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

Question 18

________ Dental sac

Accepted Answer

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

Question 19

________ Sinus venosus

Accepted Answer

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

Question 20

________ Mandibular cartilage

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

Exam 1: Gametogenesis and Fertilization

________ Primary sex cord

________ Urogenital sinus

________ Hypoblast

________ Closes during the second year

________ Becomes the pigmented layer of the retina

________ Hypospadias

______ Gives rise to a major part of the diaphragm

________ Primordium of the renal pelvis and calices

________ Appears on extraembryonic membranes

________ Partitions the cloaca

________ Pulmonary valve stenosis

________ Formed by fusion of the dorsal aortae

________ Lies between the cytotrophoblast and the epiblast

________ Becomes the external acoustic meatus

________ Webbed neck and short stature

________ Internal branchial sinus

________ Forms the thalamus

________ Dental sac

________ Sinus venosus

________ Mandibular cartilage

Filters