Question 1

The first month of life after delivery is the ________ period.

Accepted Answer

A)  fetal 
B)  neonatal 
C)  postpartal 
D)  embryonic 
E)  afterbirth 
A)  fetal 
B)  neonatal 
C)  postpartal 
D)  embryonic 
E)  afterbirth

Question 2

Formation of the neural tube ________.

Accepted Answer

A)  begins at the anterior (head) end and proceeds toward the posterior (tail) 
B)  begins at the posterior and proceeds toward the anterior 
C)  begins in the middle and proceeds toward the head and the tail 
D)  is random in that it can begin and proceed at any location along the neural plate 
E)  is caused by compaction of the neural plate 
A)  begins at the anterior (head) end and proceeds toward the posterior (tail) 
B)  begins at the posterior and proceeds toward the anterior 
C)  begins in the middle and proceeds toward the head and the tail 
D)  is random in that it can begin and proceed at any location along the neural plate 
E)  is caused by compaction of the neural plate

Question 3

In a ________ birth, the baby's buttocks or legs are delivered before the head.

Accepted Answer

A)  premature 
B)  cesarean 
C)  breech 
D)  frontal 
E)  None of the answers are correct. 
A)  premature 
B)  cesarean 
C)  breech 
D)  frontal 
E)  None of the answers are correct.

Question 4

The last systems to complete prenatal development are the ________.

Accepted Answer

A)  renal and circulatory 
B)  nervous and digestive 
C)  renal and respiratory 
D)  muscular and nervous 
E)  None of the answers are correct. 
A)  renal and circulatory 
B)  nervous and digestive 
C)  renal and respiratory 
D)  muscular and nervous 
E)  None of the answers are correct.

Question 5

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

Accepted Answer

A)  Trophoblast 
B)  Blastocoele 
C)  Blastocyst 
D)  Primary villus 
E)  Lacuna 
A)  Trophoblast 
B)  Blastocoele 
C)  Blastocyst 
D)  Primary villus 
E)  Lacuna

Question 6

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

Accepted Answer

A)  Trophoblast 
B)  Blastocoele 
C)  Blastocyst 
D)  Primary villus 
E)  Lacuna 
A)  Trophoblast 
B)  Blastocoele 
C)  Blastocyst 
D)  Primary villus 
E)  Lacuna

Question 7

Developmental events that occur during the second trimester include ________.

Accepted Answer

A)  development of hair and sebaceous glands 
B)  development of sweat glands 
C)  keratin and nail production 
D)  myelination of the spinal cord 
E)  All of the answers are correct. 
A)  development of hair and sebaceous glands 
B)  development of sweat glands 
C)  keratin and nail production 
D)  myelination of the spinal cord 
E)  All of the answers are correct.

Question 8

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

Accepted Answer

A)  Chorion 
B)  Capsular decidua 
C)  Amnion 
D)  Basal decidua 
E)  Myometrium 
A)  Chorion 
B)  Capsular decidua 
C)  Amnion 
D)  Basal decidua 
E)  Myometrium

Question 9

What might be done to the mother to widen the opening of the birth canal?

Accepted Answer

If the vaginal canal is too tight for th

Question 10

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

Accepted Answer

A)  Stomach 
B)  Small intestine 
C)  Rectum 
D)  Pancreas 
E)  Transverse colon 
A)  Stomach 
B)  Small intestine 
C)  Rectum 
D)  Pancreas 
E)  Transverse colon

Question 11

Figure 28.4
   
Identify the labeled structure(s) in each of the following questions.
-Identify the structure indicated by Label I.

Accepted Answer

A)  Neural fold 
B)  Somite 
C)  Neural groove 
D)  Notochord 
E)  Neural crest 
A)  Neural fold 
B)  Somite 
C)  Neural groove 
D)  Notochord 
E)  Neural crest

Question 12

The mesoderm associated with the allantois spreads to cover the entire inside of the trophoblast. This combination of mesoderm and trophoblast is the ________.

Accepted Answer

A)  chorion 
B)  allantois 
C)  mesoderm 
D)  blastodisc 
E)  yolk sac 
A)  chorion 
B)  allantois 
C)  mesoderm 
D)  blastodisc 
E)  yolk sac

Question 13

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

Accepted Answer

A)  Notochord 
B)  Coelomic cavity 
C)  Digestive tube 
D)  Ventral mesentery 
E)  Aorta 
A)  Notochord 
B)  Coelomic cavity 
C)  Digestive tube 
D)  Ventral mesentery 
E)  Aorta

Question 14

Surgical incision of the abdominal wall to remove the fetus is called a(n)________.

Accepted Answer

A)  episiotomy 
B)  breech birth 
C)  abortion 
D)  cesarean section 
E)  parturition 
A)  episiotomy 
B)  breech birth 
C)  abortion 
D)  cesarean section 
E)  parturition

Question 15

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

Accepted Answer

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

Question 16

The foramen ovale is actually an opening in the ________.

Accepted Answer

A)  interventricular septum 
B)  interatrial septum 
C)  ventricular wall 
D)  ductus arteriosus 
E)  fossa ovalis 
A)  interventricular septum 
B)  interatrial septum 
C)  ventricular wall 
D)  ductus arteriosus 
E)  fossa ovalis

Question 17

The germ layer of the embryo that is in contact with the amniotic cavity is the ________.

Accepted Answer

A)  mesoderm 
B)  endoderm 
C)  ectoderm 
D)  hypoblast 
E)  epiblast 
A)  mesoderm 
B)  endoderm 
C)  ectoderm 
D)  hypoblast 
E)  epiblast

Question 18

The process termed ________ begins when the blastocyst attaches to the endometrium and continues as the blastocyst invades maternal tissues.

Accepted Answer

A)  cleavage 
B)  implantation 
C)  placentation 
D)  differentiation 
E)  embryogenesis 
A)  cleavage 
B)  implantation 
C)  placentation 
D)  differentiation 
E)  embryogenesis

Question 19

During the second trimester, the organ systems ________.

Accepted Answer

A)  will not change significantly in size, but will become functional 
B)  of the placenta will grow much faster than the embryo itself 
C)  will complete their functional development 
D)  will not continue functional development, but will increase greatly in size 
E)  None of the answers are correct. 
A)  will not change significantly in size, but will become functional 
B)  of the placenta will grow much faster than the embryo itself 
C)  will complete their functional development 
D)  will not continue functional development, but will increase greatly in size 
E)  None of the answers are correct.

Question 20

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

Accepted Answer

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

Exam 28: Embryology and Human Development

The first month of life after delivery is the ________ period.

Formation of the neural tube ________.

In a ________ birth, the baby's buttocks or legs are delivered before the head.

The last systems to complete prenatal development are the ________.

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

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

Developmental events that occur during the second trimester include ________.

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

What might be done to the mother to widen the opening of the birth canal?

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

Figure 28.4 Identify the labeled structure(s) in each of the following questions. -Identify the structure indicated by Label I.

The mesoderm associated with the allantois spreads to cover the entire inside of the trophoblast. This combination of mesoderm and trophoblast is the ________.

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

Surgical incision of the abdominal wall to remove the fetus is called a(n)________.

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

The foramen ovale is actually an opening in the ________.

The germ layer of the embryo that is in contact with the amniotic cavity is the ________.

The process termed ________ begins when the blastocyst attaches to the endometrium and continues as the blastocyst invades maternal tissues.

During the second trimester, the organ systems ________.

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

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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