Teratology Pre-Test Questions
Course Introduction
Teratology is the scientific study of abnormalities of physiological development, often focusing on congenital malformations or birth defects in humans and animals. This course explores the causes, mechanisms, and patterns of abnormal embryonic and fetal development, examining genetic, environmental, and pharmacological factors that can disrupt normal growth processes. Students will gain insight into the classification of teratogens, the critical periods of susceptibility during gestation, and methods for risk assessment and prevention. Emphasis is placed on current research findings, case studies, and the implications for public health, clinical practice, and counseling.
Recommended Textbook
The Developing Human Clinically Oriented Embryology 10th Edition by Keith L. Moore
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17 Chapters
415 Verified Questions
415 Flashcards
Source URL: https://quizplus.com/study-set/3233
2
Chapter 1: Gametogenesis and Fertilization
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24 Verified Questions
24 Flashcards
Source URL: https://quizplus.com/quiz/64060
Sample Questions
Q1) ________ Haploid nuclei that fuse to form a zygote
A)Polar body
B)Capacitation
C)Acrosome
D)Zona pellucida
E)Pronuclei
Answer: E
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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Chapter 2: Formation of Bilaminar Embryonic Disc and
Chorionic Sac
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16 Verified Questions
16 Flashcards
Source URL: https://quizplus.com/quiz/64061
Sample Questions
Q1) ________ Surrounds embryo,amnion,and umbilical vesicle (yolk sac)
A)Corpus luteum
B)Zona pellucida
C)Prechordal plate
D)Ectopic implantation
E)Chorionic sac
Answer: E
Q2) ________ Develops as a localized thickening of hypoblast
A)Corpus luteum
B)Zona pellucida
C)Prechordal plate
D)Ectopic implantation
E)Chorionic sac
Answer: C
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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
Source URL: https://quizplus.com/quiz/64062
Sample Questions
Q1) ________ Forms the basis of the axial skeleton
A)Allantois
B)Primitive streak
C)Notochord
D)Blood island
E)Neural plate
Answer: C
Q2) ________ Gives rise to the brain and spinal cord
A)Allantois
B)Primitive streak
C)Notochord
D)Blood island
E)Neural plate
Answer: E
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Chapter 4: Organogenetic Period: the Fourth to Eighth Weeks
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24 Verified Questions
24 Flashcards
Source URL: https://quizplus.com/quiz/64063
Sample Questions
Q1) ________ Outgrowth of the ventrolateral body wall
A)Limb bud
B)Neuropore
C)Septum transversum
D)Cervical sinus
E)Stomodeum
Q2) ________ Forms the major part of the diaphragm
A)Limb bud
B)Neuropore
C)Septum transversum
D)Cervical sinus
E)Stomodeum
Q3) ________ Closes during the fourth week
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
Source URL: https://quizplus.com/quiz/64064
Sample Questions
Q1) ________ Brown fat begins to form
A)12 weeks
B)16 weeks
C)20 weeks
D)25 weeks
E)29 weeks
Q2) ________ Eyebrows,head hair,and lanugo are first visible
A)12 weeks
B)16 weeks
C)20 weeks
D)25 weeks
E)29 weeks
Q3) ________ Quickening usually occurs
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
Source URL: https://quizplus.com/quiz/64065
Sample Questions
Q1) ________ Places of attachment to decidua basalis
A)Anchoring villi
B)Cytotrophoblast
C)Amnion
D)Battledore placenta
E)Cotyledons
Q2) ________ Marginal attachment of umbilical cord
A)Anchoring villi
B)Cytotrophoblast
C)Amnion
D)Battledore placenta
E)Cotyledons
Q3) ________ Occurs only in monozygotic twins
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
Source URL: https://quizplus.com/quiz/64066
Sample Questions
Q1) ________ Antitumor agent and potent teratogen
A)Cytomegalovirus
B)Androgenic agents
C)Thalidomide
D)Toxoplasma gondii
E)Aminopterin
Q2) ________ Strong association with late maternal age
A)47, XXX
B)45, XO
C)Trisomy 18
D)Trisomy 21
E)47, XXY
Q3) ________ Sterile male with chromatin-positive nuclei
A)47, XXX
B)45, XO
C)Trisomy 18
D)Trisomy 21
E)47, XXY
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Chapter 8: Body Cavities,mesenteries,and Diaphragm
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20 Verified Questions
20 Flashcards
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Sample Questions
Q1) ________ Posterolateral diaphragmatic defect
A)Costodiaphragmatic recess
B)Cervical myotomes
C)Congenital hiatal hernia
D)Pleuroperitoneal membrane
E)Pericardioperitoneal canal
Q2) ________ Herniation of the abdominal viscera
A)Costodiaphragmatic recess
B)Cervical myotomes
C)Congenital hiatal hernia
D)Pleuroperitoneal membrane
E)Pericardioperitoneal canal
Q3) ________ Forms median part of the diaphragm
A)Esophageal mesentery
B)Pleuropericardial membrane
C)Phrenic nerves
D)Crura of the diaphragm
E)Embryonic mediastinum
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Chapter 9: Pharyngeal Apparatus
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36 Verified Questions
36 Flashcards
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Sample Questions
Q1) ________ Lesser horns of the hyoid bone
A)First pharyngeal arch
B)Second pharyngeal arch
C)Third pharyngeal arch
D)Fourth pharyngeal arch
E)Sixth pharyngeal arch
Q2) ________ Main contributor to the thyroid cartilage
A)First pharyngeal arch
B)Second pharyngeal arch
C)Third pharyngeal arch
D)Fourth pharyngeal arch
E)Sixth pharyngeal arch
Q3) ________ Gives rise to the lateral palatine process
A)First pharyngeal arch
B)Second pharyngeal arch
C)Third pharyngeal arch
D)Fourth pharyngeal arch
E)Sixth pharyngeal arch
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Chapter 10: Digestive System
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20 Verified Questions
20 Flashcards
Source URL: https://quizplus.com/quiz/64069
Sample Questions
Q1) ________ Derived from foregut
A)Spleen
B)Omphaloenteric duct (yolk stalk)
C)Gallbladder
D)Appendix
E)Celiac trunk
Q2) ________ Supplies foregut derivatives
A)Spleen
B)Omphaloenteric duct (yolk stalk)
C)Gallbladder
D)Appendix
E)Celiac trunk
Q3) ________ Faulty partitioning of the foregut
A)Pyloric stenosis
B)Anorectal agenesis
C)Esophageal atresia
D)Omphalocele
E)Polyhydramnios
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Chapter 11: Urogenital System
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46 Verified Questions
46 Flashcards
Source URL: https://quizplus.com/quiz/64070
Sample Questions
Q1) ________ Gives rise to the clitoris
A)Urogenital folds
B)Rete testis
C)Glandular plate
D)Genital tubercle
E)External oblique aponeurosis
Q2) ________ Source of nephrons
A)Renal agenesis
B)Nephrogenic cord
C)Metanephric diverticulum
D)Kidney lobes
E)Polycystic kidney
Q3) ________ Hypospadias
A)Urogenital folds
B)Rete testis
C)Glandular plate
D)Genital tubercle
E)External oblique aponeurosis
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Chapter 12: Cardiovascular System
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29 Verified Questions
29 Flashcards
Source URL: https://quizplus.com/quiz/64071
Sample Questions
Q1) ________ Floor of the oval fossa
A)Ductus arteriosus
B)Septum primum
C)Sixth pharyngeal arch artery
D)Sinus venosus
E)Umbilical vein
Q2) ________ Pulmonary valve stenosis
A)Ductus arteriosus
B)Septum primum
C)Sixth pharyngeal arch artery
D)Sinus venosus
E)Umbilical vein
Q3) ________ Arterial shunt
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
Source URL: https://quizplus.com/quiz/64072
Sample Questions
Q1) ________ Styloid process
A)Centrum
B)Epiphysial plate
C)Frontal bone
D)Anterior fontanelle
E)Cartilaginous viscerocranium
Q2) ________ Closes during the second year
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
Source URL: https://quizplus.com/quiz/64073
Sample Questions
Q1) ________ Exerts an inductive influence
A)Upper limb
B)Apical ectodermal ridge
C)Somites
D)Meromelia
E)Lower limb
Q2) ________ Absence of the limbs
A)Dermatome
B)Phocomelia
C)Digital rays
D)End of fourth week
E)Amelia
Q3) ________ Partial absence of a limb
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
Source URL: https://quizplus.com/quiz/64074
Sample Questions
Q1) ________ Sympathetic ganglion cells
A)Neural crest cells
B)Alar plates
C)Basal plates
D)Neuroepithelium
E)Spinal ganglion cells
Q2) ________ Olivary nuclei
A)Telencephalon
B)Diencephalon
C)Mesencephalon
D)Metencephalon
E)Myelencephalon
Q3) ________ Corpus striatum
A)Telencephalon
B)Diencephalon
C)Mesencephalon
D)Metencephalon
E)Myelencephalon
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17
Chapter 16: Eye and Ear
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41 Verified Questions
41 Flashcards
Source URL: https://quizplus.com/quiz/64075
Sample Questions
Q1) ________ Bipolar cells of the retina
A)Conjunctival epithelium
B)Neuroectoderm
C)First pharyngeal pouch
D)First pharyngeal groove
E)Mesenchyme
Q2) ________ Sclera and choroid
A)Conjunctival epithelium
B)Neuroectoderm
C)First pharyngeal pouch
D)First pharyngeal groove
E)Mesenchyme
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
Source URL: https://quizplus.com/quiz/64076
Sample Questions
Q1) ________ Lanugo
A)Tetracyclines
B)Ameloblastic layer
C)Hair follicles
D)Neural crest cells
E)Epithelial root sheath of the developing tooth
Q2) ________ Periodontal ligament
A)Dental pulp
B)Predentin
C)Dental sac
D)Enamel
E)Cement
Q3) ________ Fused layers of enamel epithelia
A)Tetracyclines
B)Ameloblastic layer
C)Hair follicles
D)Neural crest cells
E)Epithelial root sheath of the developing tooth
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