Question 1

Anything that disrupts normal development by causing cell or chromosome damage or altering the chemical environment of the embryo is called a teratogen.

Accepted Answer

A) True 
 B)False

Question 2

Figure 28.4
   
Identify the labeled structure(s) in each of the following questions.
-Which layer is created by daughter cells?

Accepted Answer

A)  Label K 
B)  Label L 
C)  Label M 
A)  Label K 
B)  Label L 
C)  Label M

Question 3

Figure 28.3
   
Identify the labeled structure(s) in each of the following questions.
-Identify the structure indicated by Label I.

Accepted Answer

A)  Small intestine 
B)  Stomach 
C)  Heart 
D)  Liver 
E)  Kidney 
A)  Small intestine 
B)  Stomach 
C)  Heart 
D)  Liver 
E)  Kidney

Question 4

The time spent in prenatal development is called ________.

Accepted Answer

A)  gestation 
B)  embryology 
C)  spermatogenesis 
D)  atresia 
E)  None of the answers are correct. 
A)  gestation 
B)  embryology 
C)  spermatogenesis 
D)  atresia 
E)  None of the answers are correct.

Question 5

In the early blastocyst, the placenta will develop from the ________.

Accepted Answer

A)  blastocoele 
B)  trophoblast 
C)  inner cell mass 
D)  morula 
E)  None of the answers are correct. 
A)  blastocoele 
B)  trophoblast 
C)  inner cell mass 
D)  morula 
E)  None of the answers are correct.

Question 6

The first part of the nervous system to form is the ________.

Accepted Answer

A)  cerebrum 
B)  neural tube 
C)  spinal cord 
D)  brain stem 
E)  None of the answers are correct. 
A)  cerebrum 
B)  neural tube 
C)  spinal cord 
D)  brain stem 
E)  None of the answers are correct.

Question 7

Neural tube formation occurs when the neural folds close and lose their connection with the superficial ectoderm.

Accepted Answer

A) True 
 B)False

Question 8

Which time period is the most dangerous in prenatal life?

Accepted Answer

A)  first trimester 
B)  second trimester 
C)  third trimester 
D)  labor 
E)  None of the answers are correct. 
A)  first trimester 
B)  second trimester 
C)  third trimester 
D)  labor 
E)  None of the answers are correct.

Question 9

Surgical cutting of the perineum during delivery is called ________.

Accepted Answer

A)  vasectomy 
B)  tubal ligation 
C)  episiotomy 
D)  vagectomy 
E)  None of the answers are correct. 
A)  vasectomy 
B)  tubal ligation 
C)  episiotomy 
D)  vagectomy 
E)  None of the answers are correct.

Question 10

The process by which cells specialize during development is ________.

Accepted Answer

A)  differentiation 
B)  implantation 
C)  meiosis 
D)  embryology 
E)  None of the answers are correct. 
A)  differentiation 
B)  implantation 
C)  meiosis 
D)  embryology 
E)  None of the answers are correct.

Question 11

Figure 28.5
   
Identify the labeled structure(s) in each of the following questions.
-Identify the structure indicated by Label Q.

Accepted Answer

A)  Lesser omentum 
B)  Greater omentum 
C)  Notochord 
D)  Liver 
E)  None of the answers are correct. 
A)  Lesser omentum 
B)  Greater omentum 
C)  Notochord 
D)  Liver 
E)  None of the answers are correct.

Question 12

Figure 28.5
   
Identify the labeled structure(s) in each of the following questions.
-Identify the structure indicated by Label A.

Accepted Answer

A)  Body stalk 
B)  Yolk stalk 
A)  Body stalk 
B)  Yolk stalk

Question 13

The series of progressive changes of anatomical structures from conception to maturity is referred to as ________.

Accepted Answer

A)  growth 
B)  gestation 
C)  development 
D)  differentiation 
E)  None of the answers are correct. 
A)  growth 
B)  gestation 
C)  development 
D)  differentiation 
E)  None of the answers are correct.

Question 14

Figure 28.2
   
Identify the labeled structure(s) in each of the following questions.
-Identify the structure indicated by Label M.

Accepted Answer

A)  Maternal blood vessels 
B)  Amnion 
C)  Placenta 
D)  Trophoblast (cellular and syncytial layers) 
E)  Umbilical arteries 
A)  Maternal blood vessels 
B)  Amnion 
C)  Placenta 
D)  Trophoblast (cellular and syncytial layers) 
E)  Umbilical arteries

Question 15

A neonatal condition resulting from maternal alcohol consumption; characterized by developmental defects is called sudden infant death syndrome.

Accepted Answer

A) True 
 B)False

Question 16

Each germ layer develops into specific structures. The nervous system develops from the ________.

Accepted Answer

A)  ectoderm 
B)  mesoderm 
C)  endoderm 
A)  ectoderm 
B)  mesoderm 
C)  endoderm

Question 17

Figure 28.5
   
Identify the labeled structure(s) in each of the following questions.
-Identify the structure indicated by Label H.

Accepted Answer

A)  Notochord 
B)  Neural tube 
C)  Dorsal mesentery 
D)  Ventral mesentery 
E)  Digestive tube 
A)  Notochord 
B)  Neural tube 
C)  Dorsal mesentery 
D)  Ventral mesentery 
E)  Digestive tube

Question 18

Figure 28.1
   
Identify the labeled structure(s) in each of the following questions.
-Identify the structure indicated by Label H.

Accepted Answer

A)  Yolk sac 
B)  Blastocyst 
C)  Developing primary villi 
D)  Blastocoele 
E)  Blastodisc 
A)  Yolk sac 
B)  Blastocyst 
C)  Developing primary villi 
D)  Blastocoele 
E)  Blastodisc

Question 19

The muscular activity that forcibly expulses the fetus from the uterus is called ________.

Accepted Answer

A)  development 
B)  labor 
C)  parturition 
D)  placental expulsion 
E)  None of the answers are correct. 
A)  development 
B)  labor 
C)  parturition 
D)  placental expulsion 
E)  None of the answers are correct.

Question 20

The embryonic heart begins pumping and circulating blood during the sixth week of development.

Accepted Answer

A) True 
 B)False

Exam 28: Embryology and Human Development

Anything that disrupts normal development by causing cell or chromosome damage or altering the chemical environment of the embryo is called a teratogen.

Figure 28.4 Identify the labeled structure(s) in each of the following questions. -Which layer is created by daughter cells?

Figure 28.3 Identify the labeled structure(s) in each of the following questions. -Identify the structure indicated by Label I.

The time spent in prenatal development is called ________.

In the early blastocyst, the placenta will develop from the ________.

The first part of the nervous system to form is the ________.

Neural tube formation occurs when the neural folds close and lose their connection with the superficial ectoderm.

Which time period is the most dangerous in prenatal life?

Surgical cutting of the perineum during delivery is called ________.

The process by which cells specialize during development is ________.

Figure 28.5 Identify the labeled structure(s) in each of the following questions. -Identify the structure indicated by Label Q.

Figure 28.5 Identify the labeled structure(s) in each of the following questions. -Identify the structure indicated by Label A.

The series of progressive changes of anatomical structures from conception to maturity is referred to as ________.

Figure 28.2 Identify the labeled structure(s) in each of the following questions. -Identify the structure indicated by Label M.

A neonatal condition resulting from maternal alcohol consumption; characterized by developmental defects is called sudden infant death syndrome.

Each germ layer develops into specific structures. The nervous system develops from the ________.

Figure 28.5 Identify the labeled structure(s) in each of the following questions. -Identify the structure indicated by Label H.

Figure 28.1 Identify the labeled structure(s) in each of the following questions. -Identify the structure indicated by Label H.

The muscular activity that forcibly expulses the fetus from the uterus is called ________.

The embryonic heart begins pumping and circulating blood during the sixth week of development.

Foundations: An Introduction to Anatomy

Foundations: The Cell

Foundations: Tissues and Early Embryology

The Integumentary System

The Skeletal System: Osseous Tissue and Skeletal Structure

The Skeletal System: Axial Division

The Skeletal System: Appendicular Division

The Skeletal System: Articulations

The Muscular System: Skeletal Muscle Tissue and Muscle Organization

The Muscular System: Axial Musculature

The Muscular System: Appendicular Musculature

Surface Anatomy and Cross-Sectional Anatomy

The Nervous System: Neural Tissue

The Nervous System: The Spinal Cord and Spinal Nerves

The Nervous System: Sensory and Motor Tracts of the Spinal Cord

The Nervous System: The Brain and Cranial Nerves

The Nervous System: Autonomic Nervous System

The Nervous System: General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: The Heart

The Cardiovascular System: Vessels and Circulation

The Lymphatic System

The Respiratory System

The Digestive System

The Urinary System

The Reproductive System

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