Medical Genetics
Chapter Exam Questions
Course Introduction
Medical Genetics is an interdisciplinary course that explores the principles of genetics as they apply to human health and disease. Students will study the molecular basis of genetic variation, inheritance patterns, and the mechanisms underlying genetic disorders. The course covers topics such as Mendelian and non-Mendelian inheritance, genetic testing, chromosomal abnormalities, and the role of genetics in personalized medicine. Focus is also given to the ethical, legal, and social implications of genetic information in clinical practice. Through lectures, case studies, and practical exercises, students will gain a comprehensive understanding of how genetic factors contribute to medical conditions and how this knowledge can be applied to diagnosis, treatment, and prevention in the healthcare setting.
Recommended Textbook
Before We Are Born Essentials of Embryology and Birth Defects 8th Edition by Keith L. Moore
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17 Chapters
415 Verified Questions
415 Flashcards
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Page 2
Chapter 1: Gametogenesis and Fertilization
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24 Verified Questions
24 Flashcards
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Sample Questions
Q1) ________ Changes occur in it that inhibit entry of sperm
A)Polar body
B)Capacitation
C)Acrosome
D)Zona pellucida
E)Pronuclei
Answer: D
Q2) ________ Contains enzymes that digest a path for the sperm
A)Polar body
B)Capacitation
C)Acrosome
D)Zona pellucida
E)Pronuclei
Answer: C
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Page 3
Chapter 2: Formation of Bilaminar Embryonic Disc and Chorionic
Sac
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16 Verified Questions
16 Flashcards
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Sample Questions
Q1) ________ Develops as a localized thickening of hypoblast
A)Corpus luteum
B)Zona pellucida
C)Prechordal plate
D)Ectopic implantation
E)Chorionic sac
Answer: C
Q2) ________ Develops from a ruptured ovarian follicle
A)Corpus luteum
B)Zona pellucida
C)Prechordal plate
D)Ectopic implantation
E)Chorionic sac
Answer: A
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4
Chapter 3: Formation of Germ Layers and Early Tissue and Organ Differentiation
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24 Verified Questions
24 Flashcards
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Sample Questions
Q1) ________ Gives rise to the brain and spinal cord
A)Allantois
B)Primitive streak
C)Notochord
D)Blood island
E)Neural plate
Answer: E
Q2) ________ Forms the basis of the axial skeleton
A)Allantois
B)Primitive streak
C)Notochord
D)Blood island
E)Neural plate
Answer: C
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Chapter 4: Organogenetic Period: the Fourth to Eighth Weeks
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24 Verified Questions
24 Flashcards
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Sample Questions
Q1) ________ Forms the major part of the diaphragm
A)Limb bud
B)Neuropore
C)Septum transversum
D)Cervical sinus
E)Stomodeum
Q2) ________ Outgrowth of the ventrolateral body wall
A)Limb bud
B)Neuropore
C)Septum transversum
D)Cervical sinus
E)Stomodeum
Q3) ________ Primordial mouth
A)Limb bud
B)Neuropore
C)Septum transversum
D)Cervical sinus
E)Stomodeum
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Chapter 5: Fetal Period
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15 Verified Questions
15 Flashcards
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Sample Questions
Q1) ________ Quickening usually occurs
A)12 weeks
B)16 weeks
C)20 weeks
D)25 weeks
E)29 weeks
Q2) ________ Skin is wrinkled and pink to red
A)12 weeks
B)16 weeks
C)20 weeks
D)25 weeks
E)29 weeks
Q3) ________ Skeleton first shows clearly on radiographs and sonograms
A)12 weeks
B)16 weeks
C)20 weeks
D)25 weeks
E)29 weeks
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Page 7
Chapter 6: Placenta and Fetal Membranes
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23 Verified Questions
23 Flashcards
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Sample Questions
Q1) ________ Fetal surface of placenta
A)Anchoring villi
B)Cytotrophoblast
C)Amnion
D)Battledore placenta
E)Cotyledons
Q2) ________ Forms part of early placental membrane
A)Anchoring villi
B)Cytotrophoblast
C)Amnion
D)Battledore placenta
E)Cotyledons
Q3) ________ Nuclear aggregation
A)Separate placentas and membranes
B)Fibrinoid material
C)Amniochorionic membrane
D)Monochorionic placenta
E)Syncytial knot
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8
Chapter 7: Human Birth Defects
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14 Verified Questions
14 Flashcards
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Sample Questions
Q1) ________ Female with chromatin-negative nuclei
A)47, XXX
B)45, XO
C)Trisomy 18
D)Trisomy 21
E)47, XXY
Q2) ________ Small testes and hyalinization of the seminiferous tubules
A)47, XXX
B)45, XO
C)Trisomy 18
D)Trisomy 21
E)47, XXY
Q3) ________ Intracellular parasite often found in cats
A)Cytomegalovirus
B)Androgenic agents
C)Thalidomide
D)Toxoplasma gondii
E)Aminopterin
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9
Chapter 8: Body Cavities, mesenteries, and Diaphragm
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20 Verified Questions
20 Flashcards
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Sample Questions
Q1) ________ Diaphragmatic muscles
A)Costodiaphragmatic recess
B)Cervical myotomes
C)Congenital hiatal hernia
D)Pleuroperitoneal membrane
E)Pericardioperitoneal canal
Q2) ________ Muscular origins of the diaphragm
A)Esophageal mesentery
B)Pleuropericardial membrane
C)Phrenic nerves
D)Crura of the diaphragm
E)Embryonic mediastinum
Q3) ________ Posterolateral diaphragmatic defect
A)Costodiaphragmatic recess
B)Cervical myotomes
C)Congenital hiatal hernia
D)Pleuroperitoneal membrane
E)Pericardioperitoneal canal
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Chapter 9: Pharyngeal Apparatus
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36 Verified Questions
36 Flashcards
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Sample Questions
Q1) ________ Greater horn of hyoid bone
A)First pharyngeal arch
B)Second pharyngeal arch
C)Third pharyngeal arch
D)Fourth pharyngeal arch
E)Sixth pharyngeal arch
Q2) ________ Internal branchial sinus
A)First pharyngeal pouch
B)Second pharyngeal pouch
C)Third pharyngeal pouch
D)Fourth pharyngeal pouch
E)Fifth pharyngeal pouch
Q3) ________ Glossopharyngeal nerve
A)First pharyngeal arch
B)Second pharyngeal arch
C)Third pharyngeal arch
D)Fourth pharyngeal arch
E)Sixth pharyngeal arch
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11
Chapter 10: Digestive System
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20 Verified Questions
20 Flashcards
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Sample Questions
Q1) ________ Derived from the midgut loop
A)Spleen
B)Omphaloenteric duct (yolk stalk)
C)Gallbladder
D)Appendix
E)Celiac trunk
Q2) ________ Herniation of the intestines
A)Pyloric stenosis
B)Anorectal agenesis
C)Esophageal atresia
D)Omphalocele
E)Polyhydramnios
Q3) ________ Duodenal obstruction
A)Pyloric stenosis
B)Anorectal agenesis
C)Esophageal atresia
D)Omphalocele
E)Polyhydramnios
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12
Chapter 11: Urogenital System
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46 Verified Questions
46 Flashcards
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Sample Questions
Q1) ________ Suprarenal medulla
A)Adrenal hyperplasia
B)Penile hypospadias
C)Zona reticularis
D)Neuroectoderm
E)Coelomic epithelium
Q2) ________ Intermediate mesoderm
A)Renal agenesis
B)Nephrogenic cord
C)Metanephric diverticulum
D)Kidney lobes
E)Polycystic kidney
Q3) ________ External spermatic fascia
A)Urogenital folds
B)Rete testis
C)Glandular plate
D)Genital tubercle
E)External oblique aponeurosis
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13
Chapter 12: Cardiovascular System
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29 Verified Questions
29 Flashcards
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Sample Questions
Q1) ________ Constriction of aorta
A)Ductus arteriosus
B)Septum primum
C)Sixth pharyngeal arch artery
D)Sinus venosus
E)Umbilical vein
Q2) ________ Overriding aorta
A)Ductus arteriosus
B)Septum primum
C)Sixth pharyngeal arch artery
D)Sinus venosus
E)Umbilical vein
Q3) ________ Pulmonary valve stenosis
A)Ductus arteriosus
B)Septum primum
C)Sixth pharyngeal arch artery
D)Sinus venosus
E)Umbilical vein
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14
Chapter 13: Skeletal and Muscular Systems
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23 Verified Questions
23 Flashcards
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Sample Questions
Q1) ________ Styloid process
A)Centrum
B)Epiphysial plate
C)Frontal bone
D)Anterior fontanelle
E)Cartilaginous viscerocranium
Q2) ________ Growth of long bones
A)Centrum
B)Epiphysial plate
C)Frontal bone
D)Anterior fontanelle
E)Cartilaginous viscerocranium
Q3) ________ Forms by intramembranous ossification
A)Centrum
B)Epiphysial plate
C)Frontal bone
D)Anterior fontanelle
E)Cartilaginous viscerocranium
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15
Chapter 14: Limbs
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10 Verified Questions
10 Flashcards
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Sample Questions
Q1) ________ Limb muscles
A)Upper limb
B)Apical ectodermal ridge
C)Somites
D)Meromelia
E)Lower limb
Q2) ________ Rotates medially
A)Upper limb
B)Apical ectodermal ridge
C)Somites
D)Meromelia
E)Lower limb
Q3) ________ Rotates laterally
A)Upper limb
B)Apical ectodermal ridge
C)Somites
D)Meromelia
E)Lower limb
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Chapter 15: Nervous System
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30 Verified Questions
30 Flashcards
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Sample Questions
Q1) ________ Olivary nuclei
A)Telencephalon
B)Diencephalon
C)Mesencephalon
D)Metencephalon
E)Myelencephalon
Q2) ________ Cerebellum
A)Telencephalon
B)Diencephalon
C)Mesencephalon
D)Metencephalon
E)Myelencephalon
Q3) ________ Neuroglia
A)Neural crest cells
B)Alar plates
C)Basal plates
D)Neuroepithelium
E)Spinal ganglion cells
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Chapter 16: Eye and Ear
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41 Verified Questions
41 Flashcards
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Sample Questions
Q1) ________ Tunica vasculosa lentis
A)Scleral venous sinus
B)Optic nerve
C)Corneal epithelium
D)Central artery of retina
E)Pupillary membrane
Q2) ________ Neuroectoderm
A)Scleral venous sinus
B)Optic nerve
C)Corneal epithelium
D)Central artery of retina
E)Pupillary membrane
Q3) ________ Congenital glaucoma
A)Scleral venous sinus
B)Optic nerve
C)Corneal epithelium
D)Central artery of retina
E)Pupillary membrane
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18
Chapter 17: Integumentary System
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20 Verified Questions
20 Flashcards
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Sample Questions
Q1) ________ Derived from the inner enamel epithelium
A)Tetracyclines
B)Ameloblastic layer
C)Hair follicles
D)Neural crest cells
E)Epithelial root sheath of the developing tooth
Q2) ________ Discoloration of teeth
A)Tetracyclines
B)Ameloblastic layer
C)Hair follicles
D)Neural crest cells
E)Epithelial root sheath of the developing tooth
Q3) ________ Odontoblasts
A)Dental pulp
B)Predentin
C)Dental sac
D)Enamel
E)Cement
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