Cell and Developmental Biology Exam Practice Tests
Course Introduction
Cell and Developmental Biology explores the fundamental principles governing the structure and function of cells, as well as the mechanisms driving the development of multicellular organisms. This course covers key topics such as cell structure, membrane dynamics, intracellular signaling, the cell cycle, and apoptosis. It also delves into how cells differentiate, communicate, and organize during the development of tissues and organs, examining processes like pattern formation, morphogenesis, and stem cell biology. Integrating molecular, genetic, and biochemical perspectives, this course provides a comprehensive understanding of how cellular behaviors shape development from single-cell embryos to complex organisms.
Recommended Textbook
Human Embryology and Developmental Biology 5th Edition by Bruce M. Carlson
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18 Chapters
301 Verified Questions
301 Flashcards
Source URL: https://quizplus.com/study-set/1308 Page 2
Chapter 1: Getting Ready for Pregnancy
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10 Verified Questions
10 Flashcards
Source URL: https://quizplus.com/quiz/26053
Sample Questions
Q1) Functional maturation of spermatozoa occurs in the _________.
A)Epididymis
B)Ductus deferens
C)Prostate
D)Seminal vesicle
E)Upper vagina
Answer: A
Q2) Two systems-menstrual age and fertilization age-are used in signifying the age of embryos.To convert from menstrual age to fertilization age:
A)Add 1 week
B)Add 2 weeks
C)Subtract 1 week
D)Subtract 2 weeks
Answer: D
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3
Chapter 2: Transport of Gametes and Fertilization
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19 Verified Questions
19 Flashcards
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Sample Questions
Q1) In humans,the structural basis for the slow block to polyspermy is the
A)Corona radiata
B)Zona pellucida
C)Inner acrosomal membrane
D)Perivitelline space
E)Plasma membrane of the egg
Answer: B
Q2) The slow block to polyspermy is based on release of the contents of the
A)Pronuclei
B)Cortical granules
C)Acrosome
D)Zona pellucida
E)None of the above
Answer: B
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Chapter 3: Cleavage and Implantation
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18 Verified Questions
18 Flashcards
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Sample Questions
Q1) When the cleaving embryo implants in the uterine lining,which tissue makes direct contact with the maternal tissues?
A)Inner cell mass
B)Zona pellucida
C)Hypoblast
D)Extraembryonic mesoderm
E)None of the above
Answer: E
Q2) In the construction of a tetraparental mouse,what property of the cleaving embryo allows the formation of a single mouse from two separate embryos?
A)Induction
B)Bateson's rule
C)Regulation
D)Differentiation
E)Restriction
Answer: C
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5
Chapter 4: Molecular Basis for Embryonic Development
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9 Verified Questions
9 Flashcards
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Sample Questions
Q1) Which Hox gene is expressed in the most anterior position in the embryonic body?
A)Hoxc-12
B)Hoxd-11
C)Hoxb-5
D)Hoxa-4
E)Hoxb-9
Q2) Which molecule is most heavily involved in the process of lateral inhibition?
A)Sonic hedgehog
B)Sox-9
C)Notch
D)Transforming growth factor-
E)None of the above
Q3) Which of the following is not a family of growth factors?
A)Transforming growth factor
B)Wnt
C)Pax
D)Fibroblast growth factor
E)Hedgehog
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6
Chapter 5: Formation of Germ Layers and Early Derivatives
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16 Verified Questions
16 Flashcards
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Sample Questions
Q1) The major organizing center of the gastrulating embryo is the ___________.
A)Inner cell mass
B)Primitive streak
C)Primitive node
D)Oropharyngeal membrane
E)Paraxial mesoderm
Q2) Which of the structures below will induce a secondary body axis if implanted in a host embryo?
A)Hensen's node
B)Hypoblast
C)Cytotrophoblast
D)Syncytiotrophoblast
E)Amnion
Q3) Which of the following tissues arise from cells passing through the primitive streak?
A)Embryonic endoderm
B)Hypoblast
C)Cytotrophoblast
D)Primary yolk sac
E)Amnion
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Page 7
Chapter 6: Establishment of the Basic Embryonic Body Plan
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28 Verified Questions
28 Flashcards
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Sample Questions
Q1) Which of the following is a morphological manifestation of the craniocaudal segmentation of the embryo?
A)Splanchnopleure
B)Wolffian (pronephric) duct
C)Neuromere
D)All of the above
E)None of the above
Q2) The otic placode arises through an inductive message given off by the
A)Prosencephalon
B)Mesencephalon
C)Rhombencephalon
D)All of the above
E)None of the above
Q3) Where in the embryo can you find rhombomeres?
A)Primitive node
B)Midbrain
C)Primitive streak
D)Mesoderm
E)None of the above
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Chapter 7: Placenta and Extraembryonic Membranes
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12 Verified Questions
12 Flashcards
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Sample Questions
Q1) Decidual cells can be found in the _______________.
A)Cytotrophoblast
B)Syncytiotrophoblast
C)Mesoderm of the placental villus
D)Endometrium
E)Body stalk
Q2) Which of the following is(are)derived from embryonic cells?
A)Decidua basalis
B)Decidua capsularis
C)Decidua parietalis
D)All of the above
E)None of the above
Q3) A hydatidiform mole is the result of abnormal _________________.
A)Paternal imprinting
B)X-chromosome inactivation
C)Regulative development
D)Maternal imprinting
E)Y-chromosome inactivation
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9
Chapter 8: Developmental Disorders: Causes, mechanisms, and Patterns
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11 Verified Questions
11 Flashcards
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Sample Questions
Q1) Which of the following pairs is correctly matched?
A)Unilateral renal agenesis - failure of migration
B)Tracheoesophageal fistula with esophageal atresia - failure of induction
C)Annular pancreas - failure of induction
D)Pelvic kidney - failure of migration
E)Duplication of ureter - failure of resorption
Q2) Folic acid deficiency is now thought to be a major cause of what class of malformations?
A)Trisomies
B)Neural tube defects
C)Ambiguous genitalia
D)Polyploidy
E)Duplications
Q3) Amniotic mesoderm is situated most closely to the _______________.
A)Amniotic cavity
B)Embryonic ectoderm
C)Extraembryonic coelom
D)Yolk sac endoderm
E)Cytotrophoblast
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Chapter 9: Integumentary, skeletal, and Muscular Systems
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9 Verified Questions
9 Flashcards
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Sample Questions
Q1) In the development of the human vertebral column,the proatlas anlage becomes incorporated into which of the following?
A)Bodies of the atlas and axis
B)Basioccipital bone and the body of the atlas
C)Basioccipital bone and the dens of the axis
D)Body of the atlas and the dens of the axis
E)Body of the axis and the dens of the atlas
Q2) Which molecular marker characterizes myoblasts migrating into the limb buds from the somites?
A)Hoxd-1
B)Pax-3
C)Sonic hedgehog
D)Hoxa-3
E)Transforming growth factor-
Q3) How many nuclei would you expect to find in a myoblast?
A)1
B)2
C)4
D)8
E)None of the above
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Chapter 10: Limb Development
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17 Verified Questions
17 Flashcards
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Sample Questions
Q1) Which anomaly is due to the absence of programmed cell death?
A)Triphalangeal thumb
B)Phocomelia
C)Polydactyly
D)Syndactyly
E)Diplopodia
Q2) A mutation of Hoxa-13 is characterized by ______________.
A)Diplopia
B)Shortened phalanges
C)Syndactyly
D)Triphalangeal thumb
E)Amelia
Q3) If the neighboring somites are removed,what would be missing from the developing limb?
A)Cartilage
B)Skeletal muscle
C)Bone
D)Digits
E)Melanocytes
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Page 12
Chapter 11: Nervous System
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15 Verified Questions
15 Flashcards
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Sample Questions
Q1) A molecule that repels the advance of a growth cone is called _______________.
A)Netrin
B)Acrosin
C)Cadherin
D)Semaphoring
E)Laminin
Q2) The cranial nerve ganglia are associated with all of the following rhombomeres except ______________.
A)r2
B)r3
C)r4
D)r6
E)r7
Q3) The cauda equina develops during the second and third trimesters of fetal development as a consequence of _______________.
A)Slower growth of the spinal cord relative to the vertebral column
B)Resorption of the tail that develops in a fetus during the first trimester
C)Accelerated growth of the thoracic segments
D)Formation of the lower limbs
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Page 13
Chapter 12: Neural Crest
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14 Verified Questions
14 Flashcards
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Sample Questions
Q1) Which of the following tissue types differentiates from cranial neural crest,but not trunk neural crest cells?
A)Parasympathetic ganglia
B)Schwann cells
C)Smooth muscle
D)Melanocytes
E)Adrenal medullary cells
Q2) Which of the following cell and tissue types arises from cranial,but not trunk,neural crest cells?
A)Sensory ganglia
B)Adrenal medulla
C)Melanocytes
D)Schwann cells
E)None of the above
Q3) Which of the following might be associated with von Recklinghausen's disease?
A)Café au lait spots
B)Neurofibromas
C)Gigantism of the limb
D)All of the above
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Chapter 13: Sense Organs
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17 Verified Questions
17 Flashcards
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Sample Questions
Q1) Which embryonic tissue contains mesoderm?
A)Oropharyngeal membrane
B)Tympanic membrane
C)Proctodeal membrane
D)Lens
E)None of the above
Q2) The epithelial lining of the middle ear cavity and auditory tube arises from the ________________.
A)Pharyngeal endoderm
B)Neural crest
C)Otic placode
D)Paraxial mesoderm
E)Otocyst
Q3) The development of corneal transparency by removal of water from the secondary stroma is mediated by ____________.
A)Thyroxine
B)Catecholamines
C)Fibroblast growth factor
D)Nerve growth factor
E)Crystallins
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Chapter 14: Head and Neck
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33 Verified Questions
33 Flashcards
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Sample Questions
Q1) Which of the following cranial nerves does not contribute to the sensory innervation of the tongue?
A)Trigeminal (V) nerve
B)Facial (VII) nerve
C)Glossopharyngeal (IX) nerve
D)Vagus (X) nerve
E)Hypoglossal (XII) nerve
Q2) The facial (VII)nerve supplies muscles derived from the ______________ pharyngeal arch.
A)First
B)Second
C)Third
D)Fourth
E)Sixth
Q3) An oblique facial cleft is due to incomplete fusion of the ____________.
A)Nasolateral process with maxillary process
B)Nasomedial process with mandibular process
C)Nasomedial process with nasolateral process
D)Nasomedial process with maxillary process
E)Nasolateral process with mandibular process
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Chapter 15: Digestive and Respiratory Systems and Body
Cavities
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17 Verified Questions
17 Flashcards
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Sample Questions
Q1) Which vessel serves as the pivot point for intestinal rotation?
A)Inferior mesenteric artery
B)Hepatic portal vein
C)Celiac artery
D)Umbilical vein
E)Superior mesenteric artery
Q2) Compression of a lung can occur in association with _________________.
A)Diaphragmatic hernia
B)Omphalocele
C)Volvulus
D)Tracheoesophageal fistula
E)Meckel's diverticulum
Q3) The yolk stalk (duct)is most closely associated with which artery?
A)Celiac artery
B)Umbilical artery
C)Superior mesenteric artery
D)Aorta
E)Inferior mesenteric artery
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Chapter 16: Urogenital System
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29 Verified Questions
29 Flashcards
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Sample Questions
Q1) Which of the following defects is strongly associated with oligohydramnios?
A)Pelvic kidney
B)Renal agenesis
C)Horseshoe kidney
D)Crossed ectopia
E)Polycystic kidney
Q2) The labia majora are the female equivalent of what in the male?
A)Glans penis
B)Scrotum
C)Wall of penile urethra
D)Wall of prostatis urethra
E)Shaft of penis
Q3) The floor of the penile urethra in the male is homologous to what structure in the female?
A)Clitoris
B)Trigone of the bladder
C)Labia majora
D)Labia minora
E)Perineum
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Page 18
Chapter 17: Cardiovascular System
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19 Verified Questions
19 Flashcards
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Sample Questions
Q1) Nucleated erythrocytes found in the embryo are produced in the _____________.
A)Yolk sac
B)Para-aortic clusters
C)Liver
D)Bone marrow
E)None of the above
Q2) For which of the following cardiovascular malformations is a patent ductus arteriosus necessary for survival of the individual?
A)Atrial septal defect
B)Ventricular septal defect
C)Double aortic arch
D)Right subclavian artery from arch of aorta
E)None of the above
Q3) The internal carotid artery arises from aortic arch ________.
A)1
B)2
C)3
D)4
E)6
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Chapter 18: Fetal Period and Birth
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8 Verified Questions
8 Flashcards
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Sample Questions
Q1) Three days after birth,an infant becomes cyanotic during a prolonged crying spell.The cyanosis is due to venous blood entering the systemic circulation through the
A)Interatrial septum
B)Ductus arteriosus
C)Ductus venosus
D)Umbilical vein
E)Interventricular septum
Q2) The most highly oxygenated blood in the fetus is found in the ______________.
A)Dorsal aorta
B)Umbilical arteries
C)Umbilical vein
D)Pulmonary arteries
E)Pulmonary vein
Q3) Parturition most commonly occurs _______ weeks after fertilization.
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