Question 1

________ Primary sex cord

Accepted Answer

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 B

Question 3

________ Hypoblast

Accepted Answer

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

Question 5

________ Becomes the pigmented layer of the retina

Accepted Answer

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

Question 7

______ Gives rise to a major part of the diaphragm

Accepted Answer

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

Question 9

________ Appears on extraembryonic membranes

Accepted Answer

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

Question 11

________ Pulmonary valve stenosis

Accepted Answer

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

Question 13

________ Lies between the cytotrophoblast and the epiblast

Accepted Answer

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

Question 15

________ Webbed neck and short stature

Accepted Answer

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

Question 17

________ Forms the thalamus

Accepted Answer

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

Question 19

________ Sinus venosus

Accepted Answer

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

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