Question 1

________ Surface ectoderm

Accepted Answer

A)  Scleral venous sinus 
B)  Optic nerve 
C)  Corneal epithelium 
D)  Central artery of retina 
E)  Pupillary membrane 
A)  Scleral venous sinus 
B)  Optic nerve 
C)  Corneal epithelium 
D)  Central artery of retina 
E)  Pupillary membrane

Question 2

________ Brown fat begins to form

Accepted Answer

A)  12 weeks 
B)  16 weeks 
C)  20 weeks 
D)  25 weeks 
E)  29 weeks 
A)  12 weeks 
B)  16 weeks 
C)  20 weeks 
D)  25 weeks 
E)  29 weeks

Question 3

________ Partial absence of a limb

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 4

________ Derived from the truncus arteriosus

Accepted Answer

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

Question 5

________ Meiotic spindle

Accepted Answer

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

Question 6

________ Stylohyoid ligament

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

Question 7

________ Pons

Accepted Answer

A)  Telencephalon 
B)  Diencephalon 
C)  Mesencephalon 
D)  Metencephalon 
E)  Myelencephalon 
A)  Telencephalon 
B)  Diencephalon 
C)  Mesencephalon 
D)  Metencephalon 
E)  Myelencephalon

Question 8

________ Forms the pineal gland

Accepted Answer

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

Question 9

________ Organ derived from the second pharyngeal pouch and mesenchyme

Accepted Answer

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

Question 10

________ Growth of long bones

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 11

________ Hyaloid artery

Accepted Answer

A)  Scleral venous sinus 
B)  Optic nerve 
C)  Corneal epithelium 
D)  Central artery of retina 
E)  Pupillary membrane 
A)  Scleral venous sinus 
B)  Optic nerve 
C)  Corneal epithelium 
D)  Central artery of retina 
E)  Pupillary membrane

Question 12

________ Arterial shunt

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

________ Caused by dilations of the nephron loops

Accepted Answer

A)  Renal agenesis 
B)  Nephrogenic cord 
C)  Metanephric diverticulum 
D)  Kidney lobes 
E)  Polycystic kidney 
A)  Renal agenesis 
B)  Nephrogenic cord 
C)  Metanephric diverticulum 
D)  Kidney lobes 
E)  Polycystic kidney

Question 14

________ Supplies foregut derivatives

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 15

________ Inferior parathyroid gland

Accepted Answer

A)  First pharyngeal pouch 
B)  Second pharyngeal pouch 
C)  Third pharyngeal pouch 
D)  Fourth pharyngeal pouch 
E)  Fifth pharyngeal pouch 
A)  First pharyngeal pouch 
B)  Second pharyngeal pouch 
C)  Third pharyngeal pouch 
D)  Fourth pharyngeal pouch 
E)  Fifth pharyngeal pouch

Question 16

________ Bipolar cells of the retina

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 17

________ Superior laryngeal branch of the vagus nerve

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

Question 18

________ Smooth chorion

Accepted Answer

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

Question 19

________ Olivary nuclei

Accepted Answer

A)  Telencephalon 
B)  Diencephalon 
C)  Mesencephalon 
D)  Metencephalon 
E)  Myelencephalon 
A)  Telencephalon 
B)  Diencephalon 
C)  Mesencephalon 
D)  Metencephalon 
E)  Myelencephalon

Question 20

________ Sex is first distinguishable externally

Accepted Answer

A)  12 weeks 
B)  16 weeks 
C)  20 weeks 
D)  25 weeks 
E)  29 weeks 
A)  12 weeks 
B)  16 weeks 
C)  20 weeks 
D)  25 weeks 
E)  29 weeks

Exam 1: Gametogenesis and Fertilization

________ Surface ectoderm

________ Brown fat begins to form

________ Partial absence of a limb

________ Derived from the truncus arteriosus

________ Meiotic spindle

________ Stylohyoid ligament

________ Pons

________ Forms the pineal gland

________ Organ derived from the second pharyngeal pouch and mesenchyme

________ Growth of long bones

________ Hyaloid artery

________ Arterial shunt

________ Caused by dilations of the nephron loops

________ Supplies foregut derivatives

________ Inferior parathyroid gland

________ Bipolar cells of the retina

________ Superior laryngeal branch of the vagus nerve

________ Smooth chorion

________ Olivary nuclei

________ Sex is first distinguishable externally

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