Question 1

Fetal development includes the third through ninth months of development.

Accepted Answer

A) True 
 B)False

Question 2

When the uterus begins to contract, it is almost time for the baby to be born.

Accepted Answer

A) True 
 B)False

Question 3

What occurs during stage 3 of labor?

Accepted Answer

A)  The cervix dilates. 
B)  The baby is born. 
C)  Effacement occurs. 
D)  The amniotic sac ruptures. 
E)  The placenta is expelled. 
A)  The cervix dilates. 
B)  The baby is born. 
C)  Effacement occurs. 
D)  The amniotic sac ruptures. 
E)  The placenta is expelled.

Question 4

Which of the following is not associated with the egg?

Accepted Answer

A)  corona radiata 
B)  acrosome 
C)  zona pellucida 
D)  cortical granule 
E)  fertilization membrane 
A)  corona radiata 
B)  acrosome 
C)  zona pellucida 
D)  cortical granule 
E)  fertilization membrane

Question 5

What structure produces progesterone and estrogen during pregnancy?

Accepted Answer

A)  placenta 
B)  hypothalamus 
C)  anterior pituitary 
D)  posterior pituitary 
E)  ovaries 
A)  placenta 
B)  hypothalamus 
C)  anterior pituitary 
D)  posterior pituitary 
E)  ovaries

Question 6

The 4 cell stage of development is almost twice the size of the 2 cell stage of development.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following statements is related to a decrease in blood flow?

Accepted Answer

A)  More neural cells are lost as we age. 
B)  Females undergo menopause. 
C)  Ventilation of the lungs is reduced. 
D)  The liver does not metabolize drugs as efficiently as before. 
E)  The homeostatic adjustment to heat is limited. 
A)  More neural cells are lost as we age. 
B)  Females undergo menopause. 
C)  Ventilation of the lungs is reduced. 
D)  The liver does not metabolize drugs as efficiently as before. 
E)  The homeostatic adjustment to heat is limited.

Question 8

The umbilical arteries carry

Accepted Answer

A)  oxygen-rich blood to the developing fetus. 
B)  oxygen-rich blood to the placenta. 
C)  oxygen-poor blood to the developing fetus. 
D)  oxygen-poor blood to the placenta. 
E)  oxygen-rich blood to the mother. 
A)  oxygen-rich blood to the developing fetus. 
B)  oxygen-rich blood to the placenta. 
C)  oxygen-poor blood to the developing fetus. 
D)  oxygen-poor blood to the placenta. 
E)  oxygen-rich blood to the mother.

Question 9

Which of these is associated with pre-embryonic development?

Accepted Answer

A)  morula 
B)  embryonic disk 
C)  gastrulation 
D)  primary germ layers 
E)  formation of the umbilical cord 
A)  morula 
B)  embryonic disk 
C)  gastrulation 
D)  primary germ layers 
E)  formation of the umbilical cord

Question 10

Does a woman ovulate during pregnancy? Why or why not?

Accepted Answer

A)  No. She has no more follicles in the ovaries. 
B)  No, because negative feedback on the hypothalamus prevents new follicles from maturing. 
C)  No, because the developing embryo prevents any new blastulas from implanting. 
D)  Yes, because the uterine cycle continues to function. 
E)  Yes, because the ovarian cycle continues to function. 
A)  No. She has no more follicles in the ovaries. 
B)  No, because negative feedback on the hypothalamus prevents new follicles from maturing. 
C)  No, because the developing embryo prevents any new blastulas from implanting. 
D)  Yes, because the uterine cycle continues to function. 
E)  Yes, because the ovarian cycle continues to function.

Question 11

Most birth defects are due to the inheritance of an abnormal number of chromosomes.

Accepted Answer

A) True 
 B)False

Question 12

The sex of an individual is determined at the moment of fertilization.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following develops into the male genital ducts?

Accepted Answer

A)  epididymis 
B)  urogenital groove 
C)  cloaca 
D)  Mullerian ducts 
E)  Wolffian ducts 
A)  epididymis 
B)  urogenital groove 
C)  cloaca 
D)  Mullerian ducts 
E)  Wolffian ducts

Question 14

Which of the following gives the correct order of layers the sperm crosses when entering the egg?

Accepted Answer

A)  corona radiata, zona pellucida, oocyte plasma membrane 
B)  zona pellucida, oocyte plasma membrane, corona radiata 
C)  oocyte plasma membrane, corona radiata, zona pellucida 
D)  corona radiata, oocyyte plasma membrane, zona pellucida 
E)  zona pellucida, corona radiata, oocyte plasma membrane 
A)  corona radiata, zona pellucida, oocyte plasma membrane 
B)  zona pellucida, oocyte plasma membrane, corona radiata 
C)  oocyte plasma membrane, corona radiata, zona pellucida 
D)  corona radiata, oocyyte plasma membrane, zona pellucida 
E)  zona pellucida, corona radiata, oocyte plasma membrane

Question 15

Which of the following is not involved in the increase in blood volume in a pregnant woman?

Accepted Answer

A)  progesterone 
B)  artery expansion 
C)  renin-angiotensin-aldosterone mechanism 
D)  an increase in blood oxygen levels 
E)  sodium and water retention 
A)  progesterone 
B)  artery expansion 
C)  renin-angiotensin-aldosterone mechanism 
D)  an increase in blood oxygen levels 
E)  sodium and water retention

Question 16

Which of the following occurs during the embryonic stage of development?

Accepted Answer

A)  Chorion appears. 
B)  Nose, eyes, and ear become noticeable. 
C)  Testes descend into scrotum. 
D)  Heartbeat can be heard. 
E)  Fingernails appear. 
A)  Chorion appears. 
B)  Nose, eyes, and ear become noticeable. 
C)  Testes descend into scrotum. 
D)  Heartbeat can be heard. 
E)  Fingernails appear.

Question 17

Which hypothesis of aging involves mitochondria?

Accepted Answer

A)  genetic in origin 
B)  whole-body process 
C)  extrinsic factors 
D)  damage accumulation 
E)  external factors 
A)  genetic in origin 
B)  whole-body process 
C)  extrinsic factors 
D)  damage accumulation 
E)  external factors

Question 18

Which of the following does not occur prior to or during stage 1 of labor?

Accepted Answer

A)  bloody show 
B)  effacement 
C)  uterine contractions 
D)  breaking water 
E)  dislodging of the placenta 
A)  bloody show 
B)  effacement 
C)  uterine contractions 
D)  breaking water 
E)  dislodging of the placenta

Question 19

Which of the following is not true concerning the fetus during the third month of development?

Accepted Answer

A)  Bone begins to be replaced with cartilage in certain areas of the skeleton. 
B)  The nose, eyes, and ears are present. 
C)  Fingernails, nipples, eyelashes, eyebrows, and hair on the head appear. 
D)  Head growth slows down as the rest of the body increases in length. 
E)  It is possible to distinguish males from females. 
A)  Bone begins to be replaced with cartilage in certain areas of the skeleton. 
B)  The nose, eyes, and ears are present. 
C)  Fingernails, nipples, eyelashes, eyebrows, and hair on the head appear. 
D)  Head growth slows down as the rest of the body increases in length. 
E)  It is possible to distinguish males from females.

Question 20

Which of the following is present in the fetus but not in an adult human?

Accepted Answer

A)  ductus arteriosus 
B)  pulmonary vein 
C)  left atrium 
D)  superior vena cava 
E)  internal iliac artery 
A)  ductus arteriosus 
B)  pulmonary vein 
C)  left atrium 
D)  superior vena cava 
E)  internal iliac artery

Exam 17: Human Development and Aging

Fetal development includes the third through ninth months of development.

When the uterus begins to contract, it is almost time for the baby to be born.

What occurs during stage 3 of labor?

Which of the following is not associated with the egg?

What structure produces progesterone and estrogen during pregnancy?

The 4 cell stage of development is almost twice the size of the 2 cell stage of development.

Which of the following statements is related to a decrease in blood flow?

The umbilical arteries carry

Which of these is associated with pre-embryonic development?

Does a woman ovulate during pregnancy? Why or why not?

Most birth defects are due to the inheritance of an abnormal number of chromosomes.

The sex of an individual is determined at the moment of fertilization.

Which of the following develops into the male genital ducts?

Which of the following gives the correct order of layers the sperm crosses when entering the egg?

Which of the following is not involved in the increase in blood volume in a pregnant woman?

Which of the following occurs during the embryonic stage of development?

Which hypothesis of aging involves mitochondria?

Which of the following does not occur prior to or during stage 1 of labor?

Which of the following is not true concerning the fetus during the third month of development?

Which of the following is present in the fetus but not in an adult human?

Exploring Life and Science

Chemistry of Life

Cell Structure and Function

Organization and Regulation of Body Systems

Cardiovascular System: Heart and Blood Vessels

Cardiovascular System: Blood

The Lymphatic and Immune Systems

Digestive System and Nutrition

Respiratory System

Urinary System

Skeletal System

Muscular System

Nervous System

Senses

Endocrine System

Reproductive System

Patterns of Chromosome Inheritance

Cancer

Patterns of Genetic Inheritance

DNA Biology and Technology

Human Evolution

Global Ecology and Human Interferences

Human Population, Planetary Resources, and Conservation

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