Question 1

______ Site of blood formation in the early embryo

Accepted Answer

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

Question 2

________ Gives rise to an adult body cavity

Accepted Answer

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

Question 3

________ Endolymphatic duct

Accepted Answer

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

Question 4

________ Constriction of aorta

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 5

________ Unipolar afferent neurons

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 6

________ Forms half of the thymus

Accepted Answer

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

Question 7

________ Gives rise to the clitoris

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 8

________ Organ derived solely from mesenchyme

Accepted Answer

A)  Spleen 
B)  Omphaloenteric duct (yolk stalk) 
C)  Gallbladder 
D)  Appendix 
E)  Celiac trunk 
A)  Spleen 
B)  Omphaloenteric duct (yolk stalk) 
C)  Gallbladder 
D)  Appendix 
E)  Celiac trunk

Question 9

________ Rotates laterally

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 10

________ Marginal attachment of umbilical cord

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 11

________ Ambiguous external genitalia

Accepted Answer

A)  Adrenal hyperplasia 
B)  Penile hypospadias 
C)  Zona reticularis 
D)  Neuroectoderm 
E)  Coelomic epithelium 
A)  Adrenal hyperplasia 
B)  Penile hypospadias 
C)  Zona reticularis 
D)  Neuroectoderm 
E)  Coelomic epithelium

Question 12

________ Right ventricular hypertrophy

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 13

________ Derived from the midgut loop

Accepted Answer

A)  Spleen 
B)  Omphaloenteric duct (yolk stalk) 
C)  Gallbladder 
D)  Appendix 
E)  Celiac trunk 
A)  Spleen 
B)  Omphaloenteric duct (yolk stalk) 
C)  Gallbladder 
D)  Appendix 
E)  Celiac trunk

Question 14

________ External acoustic meatus

Accepted Answer

A)  Conjunctival epithelium 
B)  Neuroectoderm 
C)  First pharyngeal pouch 
D)  First pharyngeal groove 
E)  Mesenchyme 
A)  Conjunctival epithelium 
B)  Neuroectoderm 
C)  First pharyngeal pouch 
D)  First pharyngeal groove 
E)  Mesenchyme

Question 15

________ Primitive pit

Accepted Answer

The answer of   ________ Primitive pit...

Question 16

________ Herniation of the abdominal viscera

Accepted Answer

A)  Costodiaphragmatic recess 
B)  Cervical myotomes 
C)  Congenital hiatal hernia 
D)  Pleuroperitoneal membrane 
E)  Pericardioperitoneal canal 
A)  Costodiaphragmatic recess 
B)  Cervical myotomes 
C)  Congenital hiatal hernia 
D)  Pleuroperitoneal membrane 
E)  Pericardioperitoneal canal

Question 17

________ Epiblast forms its floor

Accepted Answer

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

Question 18

______ Amnion

Accepted Answer

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

Question 19

________ Centrum

Accepted Answer

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

Question 20

________ Vitelline artery

Accepted Answer

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

Exam 1: Gametogenesis and Fertilization

______ Site of blood formation in the early embryo

________ Gives rise to an adult body cavity

________ Endolymphatic duct

________ Constriction of aorta

________ Unipolar afferent neurons

________ Forms half of the thymus

________ Gives rise to the clitoris

________ Organ derived solely from mesenchyme

________ Rotates laterally

________ Marginal attachment of umbilical cord

________ Ambiguous external genitalia

________ Right ventricular hypertrophy

________ Derived from the midgut loop

________ External acoustic meatus

________ Primitive pit

________ Herniation of the abdominal viscera

________ Epiblast forms its floor

______ Amnion

________ Centrum

________ Vitelline artery

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