Question 1

The stage of labor during which the fetus begins to shift toward the cervical canal is the

Accepted Answer

A)  emergence stage. 
B)  dilation stage. 
C)  placental stage. 
D)  expulsion stage. 
E)  fetal stage. 
A)  emergence stage. 
B)  dilation stage. 
C)  placental stage. 
D)  expulsion stage. 
E)  fetal stage.

Question 2

The aging process is called

Accepted Answer

A)  neonate stage. 
B)  puberty. 
C)  senescence. 
D)  adolescence. 
E)  weaning. 
A)  neonate stage. 
B)  puberty. 
C)  senescence. 
D)  adolescence. 
E)  weaning.

Question 3

The hollow cavity within the blastocyst is the

Accepted Answer

A)  gastrula. 
B)  morula. 
C)  blastocoele. 
D)  yolk sac. 
E)  amnion. 
A)  gastrula. 
B)  morula. 
C)  blastocoele. 
D)  yolk sac. 
E)  amnion.

Question 4

Figure 20-1 Events in Implantation
Use Figure 20-1 to identify the labeled part.
-Label D represents which of the following structures?

Accepted Answer

A)  blastocoele 
B)  blastocyst 
C)  trophoblast 
D)  developing villi 
E)  chorion 
A)  blastocoele 
B)  blastocyst 
C)  trophoblast 
D)  developing villi 
E)  chorion

Question 5

The period from birth to the end of the first month is known as (the)

Accepted Answer

A)  senescence. 
B)  neonatal period. 
C)  infancy. 
D)  childhood. 
E)  embryogenesis. 
A)  senescence. 
B)  neonatal period. 
C)  infancy. 
D)  childhood. 
E)  embryogenesis.

Question 6

What must be present for albinism to occur?

Accepted Answer

A)  heterozygosity 
B)  two dominant alleles 
C)  sex-linked alleles 
D)  two recessive alleles 
E)  polygenic alleles 
A)  heterozygosity 
B)  two dominant alleles 
C)  sex-linked alleles 
D)  two recessive alleles 
E)  polygenic alleles

Question 7

The period of gestation that is characterized by rapid fetal growth and adipose tissue deposition is the ________ trimester(s).

Accepted Answer

A)  first 
B)  second 
C)  third 
D)  first and second 
E)  second and third 
A)  first 
B)  second 
C)  third 
D)  first and second 
E)  second and third

Question 8

Which statement regarding the neonatal renal system is true?

Accepted Answer

A)  Neonates can highly concentrate urine prior to excretion. 
B)  As waste products build up in venous blood, they are excreted at the kidneys. 
C)  Glomerular filtration does not occur until birth. 
D)  Glomerular filtration is normal. 
E)  Neonatal fluid requirements are proportionally much lower than those of adults. 
A)  Neonates can highly concentrate urine prior to excretion. 
B)  As waste products build up in venous blood, they are excreted at the kidneys. 
C)  Glomerular filtration does not occur until birth. 
D)  Glomerular filtration is normal. 
E)  Neonatal fluid requirements are proportionally much lower than those of adults.

Question 9

Fertilization of the ovum usually occurs

Accepted Answer

A)  within one hour of ovulation. 
B)  as much as three to four days following ovulation. 
C)  in the ovary. 
D)  in the upper third of the uterine tube. 
E)  in the uterus. 
A)  within one hour of ovulation. 
B)  as much as three to four days following ovulation. 
C)  in the ovary. 
D)  in the upper third of the uterine tube. 
E)  in the uterus.

Question 10

Which of the following results from endodermal contributions?

Accepted Answer

A)  all cardiovascular components 
B)  brain and spinal cord 
C)  dermis and hypodermis 
D)  stem cells that produce gametes 
E)  nephrons 
A)  all cardiovascular components 
B)  brain and spinal cord 
C)  dermis and hypodermis 
D)  stem cells that produce gametes 
E)  nephrons

Question 11

Choose the correct statement regarding neonates.

Accepted Answer

A)  Urinary water losses are low. 
B)  The digestive system is extremely active before birth. 
C)  Neonatal respiratory rates are considerably lower than those of adults. 
D)  Typical neonatal heart rates are lower than fetal heart rates. 
E)  At birth, the lungs are fully expanded and filled with fluid. 
A)  Urinary water losses are low. 
B)  The digestive system is extremely active before birth. 
C)  Neonatal respiratory rates are considerably lower than those of adults. 
D)  Typical neonatal heart rates are lower than fetal heart rates. 
E)  At birth, the lungs are fully expanded and filled with fluid.

Question 12

If the gonads fail to develop very early during human development,the contributions of which germ layer may be deficient?

Accepted Answer

A)  epiderm 
B)  ectoderm 
C)  periderm 
D)  endoderm 
E)  mesoderm 
A)  epiderm 
B)  ectoderm 
C)  periderm 
D)  endoderm 
E)  mesoderm

Question 13

"Induced" abortions

Accepted Answer

A)  happen due to physiological problems. 
B)  are called "miscarriages." 
C)  are performed when continuing a pregnancy represents a threat to the life and health of the mother. 
D)  occur due to developmental problems. 
E)  are performed at the woman's request. 
A)  happen due to physiological problems. 
B)  are called "miscarriages." 
C)  are performed when continuing a pregnancy represents a threat to the life and health of the mother. 
D)  occur due to developmental problems. 
E)  are performed at the woman's request.

Question 14

Which extraembryonic membrane is an important site of blood cell production?

Accepted Answer

A)  placenta 
B)  yolk sac 
C)  amnion 
D)  allantois 
E)  chorion 
A)  placenta 
B)  yolk sac 
C)  amnion 
D)  allantois 
E)  chorion

Question 15

The portion of DNA that codes for a particular polypeptide is called a

Accepted Answer

A)  genome. 
B)  phenotype. 
C)  karyotype. 
D)  trait. 
E)  gene. 
A)  genome. 
B)  phenotype. 
C)  karyotype. 
D)  trait. 
E)  gene.

Question 16

Gastrulation produces an oval,three-layered sheet known as the

Accepted Answer

A)  chorion. 
B)  blastula. 
C)  embryonic disc. 
D)  morula. 
E)  blastocyst. 
A)  chorion. 
B)  blastula. 
C)  embryonic disc. 
D)  morula. 
E)  blastocyst.

Question 17

Individuals with ________ have only one sex chromosome,and it is an X chromosome.

Accepted Answer

A)  Trisomy 21 
B)  Down's syndrome 
C)  Turner's syndrome 
D)  Fragile-X syndrome 
E)  Klinefelter's syndrome 
A)  Trisomy 21 
B)  Down's syndrome 
C)  Turner's syndrome 
D)  Fragile-X syndrome 
E)  Klinefelter's syndrome

The stage of labor during which the fetus begins to shift toward the cervical canal is the

The aging process is called

The hollow cavity within the blastocyst is the

Figure 20-1 Events in Implantation Use Figure 20-1 to identify the labeled part. -Label D represents which of the following structures?

The period from birth to the end of the first month is known as (the)

What must be present for albinism to occur?

The period of gestation that is characterized by rapid fetal growth and adipose tissue deposition is the ________ trimester(s).

Which statement regarding the neonatal renal system is true?

Fertilization of the ovum usually occurs

Which of the following results from endodermal contributions?

Choose the correct statement regarding neonates.

If the gonads fail to develop very early during human development,the contributions of which germ layer may be deficient?

"Induced" abortions

Which extraembryonic membrane is an important site of blood cell production?

The portion of DNA that codes for a particular polypeptide is called a

Gastrulation produces an oval,three-layered sheet known as the

Individuals with ________ have only one sex chromosome,and it is an X chromosome.

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The Nervous System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: The Heart

The Cardiovascular System: Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

The Reproductive System

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Exam 20: Development and Inheritance

The stage of labor during which the fetus begins to shift toward the cervical canal is the

The aging process is called

The hollow cavity within the blastocyst is the

Figure 20-1 Events in Implantation Use Figure 20-1 to identify the labeled part. -Label D represents which of the following structures?

The period from birth to the end of the first month is known as (the)

What must be present for albinism to occur?

The period of gestation that is characterized by rapid fetal growth and adipose tissue deposition is the ________ trimester(s).

Which statement regarding the neonatal renal system is true?

Fertilization of the ovum usually occurs

Which of the following results from endodermal contributions?

Choose the correct statement regarding neonates.

If the gonads fail to develop very early during human development,the contributions of which germ layer may be deficient?

"Induced" abortions

Which extraembryonic membrane is an important site of blood cell production?

The portion of DNA that codes for a particular polypeptide is called a

Gastrulation produces an oval,three-layered sheet known as the

Individuals with ________ have only one sex chromosome,and it is an X chromosome.

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The Nervous System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: The Heart

The Cardiovascular System: Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

The Reproductive System

Filters