Question 1

The hormone ____ from the ____ causes mammary lobules in the breast to contract,causing milk to flow.

Accepted Answer

A) prolactin; hypothalamus 
B) prolactin; anterior pituitary 
C) oxytocin; hypothalamus 
D) oxytocin; anterior pituitary 
E) estrogen; ovaries 
A) prolactin; hypothalamus 
B) prolactin; anterior pituitary 
C) oxytocin; hypothalamus 
D) oxytocin; anterior pituitary 
E) estrogen; ovaries

Question 2

A pregnancy test is based on the production of ___ by the ____.

Accepted Answer

A) FSH; anterior pituitary 
B) estrogen; ovary 
C) progesterone; corpus luteum 
D) hCG; trophoblast 
E) GnRH; hypothalamus 
A) FSH; anterior pituitary 
B) estrogen; ovary 
C) progesterone; corpus luteum 
D) hCG; trophoblast 
E) GnRH; hypothalamus

Question 3

Which of the following hormones causes the uterus to contract?

Accepted Answer

A) oxytocin 
B) estrogen 
C) progesterone 
D) testosterone 
E) prolactin 
A) oxytocin 
B) estrogen 
C) progesterone 
D) testosterone 
E) prolactin

Question 4

______ is the parceling out of maternal determinants as mitosis occurs in embryonic cells.

Accepted Answer

A) Homeostasis 
B) Induction 
C) Morphogenesis 
D) Cytoplasmic segregation 
E) Aging 
A) Homeostasis 
B) Induction 
C) Morphogenesis 
D) Cytoplasmic segregation 
E) Aging

Question 5

The allantoic blood vessels

Accepted Answer

A) are analogous to the umbilical blood vessels in humans. 
B) are a structure composed of two germ layers. 
C) lie next to the shell in chicks. 
D) have the same function in chicks as humans. 
E) become the chorionic villi. 
A) are analogous to the umbilical blood vessels in humans. 
B) are a structure composed of two germ layers. 
C) lie next to the shell in chicks. 
D) have the same function in chicks as humans. 
E) become the chorionic villi.

Question 6

A homeotic gene codes for a(n)____ protein,a sequence of 60 amino acids,sets of which determine the genes to be turned on during development.

Accepted Answer

A) induction 
B) morphogenesis 
C) growth 
D) regulatory 
E) homeodomain 
A) induction 
B) morphogenesis 
C) growth 
D) regulatory 
E) homeodomain

Question 7

A fertilized egg undergoes cell division without further growth in the process called

Accepted Answer

A) cleavage. 
B) gastrulation. 
C) differentiation. 
D) morphogenesis. 
E) embryology. 
A) cleavage. 
B) gastrulation. 
C) differentiation. 
D) morphogenesis. 
E) embryology.

Question 8

The ______ is a dorsal supporting rod present in the early embryonic development of the vertebrates.

Accepted Answer

A) neural plate 
B) neural tube 
C) notochord 
D) neurula 
E) vertebral column 
A) neural plate 
B) neural tube 
C) notochord 
D) neurula 
E) vertebral column

Question 9

Which statement is NOT true regarding aging?

Accepted Answer

A) A genetic factor is indicated when children of long-lived parents live a long time. 
B) Different body processes wear out. 
C) Lack of calcium in a person's diet may lead to bone loss. 
D) The immune system increases in activity. 
E) Some proteins become crosslinked. 
A) A genetic factor is indicated when children of long-lived parents live a long time. 
B) Different body processes wear out. 
C) Lack of calcium in a person's diet may lead to bone loss. 
D) The immune system increases in activity. 
E) Some proteins become crosslinked.

Question 10

Which of the following does not occur during the process of fertilization?

Accepted Answer

A) The sperm cell releases acrosomal enzymes. 
B) The sperm cell enters the egg and the nucleus is released. 
C) The nucleus of the sperm and egg cell fuse. 
D) The plasma membrane of the sperm head and egg fuse. 
E) The tail bores a hole in the zona pellucida,which the head then penetrates. 
A) The sperm cell releases acrosomal enzymes. 
B) The sperm cell enters the egg and the nucleus is released. 
C) The nucleus of the sperm and egg cell fuse. 
D) The plasma membrane of the sperm head and egg fuse. 
E) The tail bores a hole in the zona pellucida,which the head then penetrates.

Question 11

Which of these is not a change in the skin that occurs with aging?

Accepted Answer

A) loss of elasticity 
B) loss of adipose tissue 
C) loss of sweat glands 
D) loss of sebaceous (oil)glands 
E) All of the answer choices are changes seen in the skin with aging. 
A) loss of elasticity 
B) loss of adipose tissue 
C) loss of sweat glands 
D) loss of sebaceous (oil)glands 
E) All of the answer choices are changes seen in the skin with aging.

Question 12

As we become older,the

Accepted Answer

A) skin becomes more elastic. 
B) heart decreases in size. 
C) blood vessels become harder. 
D) production of gametes continues in both sexes. 
E) liver receives increased blood flow. 
A) skin becomes more elastic. 
B) heart decreases in size. 
C) blood vessels become harder. 
D) production of gametes continues in both sexes. 
E) liver receives increased blood flow.

Question 13

Implantation occurs during the

Accepted Answer

A) fertilization. 
B) first week. 
C) second week. 
D) second month. 
E) fourth month. 
A) fertilization. 
B) first week. 
C) second week. 
D) second month. 
E) fourth month.

Question 14

The cardiovascular and urinary systems form from the _______ layer.

Accepted Answer

A) endoderm 
B) ectoderm 
C) mesoderm 
D) blastoderm 
E) gastroderm 
A) endoderm 
B) ectoderm 
C) mesoderm 
D) blastoderm 
E) gastroderm

Question 15

Some of the changes that are attributed to aging are actually brought about by poor health habits.One of these is osteoporosis,which could be prevented by

Accepted Answer

A) adequate calcium intake and eating a high-protein diet. 
B) not smoking cigarettes,adequate calcium intake,and exercise. 
C) exercise and a high-protein diet. 
D) drinking adequate amounts of water,and exercising. 
E) a low-fat and protein diet. 
A) adequate calcium intake and eating a high-protein diet. 
B) not smoking cigarettes,adequate calcium intake,and exercise. 
C) exercise and a high-protein diet. 
D) drinking adequate amounts of water,and exercising. 
E) a low-fat and protein diet.

Question 16

When a baby is born,what change(s)do NOT need to occur in fetal circulation for it to survive?

Accepted Answer

A) The oval opening (foramen ovale)must close. 
B) The arterial duct must close. 
C) The umbilical arteries and veins close. 
D) Blood must be able to pass from the right side to the left side. 
E) Fetal blood must be shunted toward the lungs after tying off the umbilical cord. 
A) The oval opening (foramen ovale)must close. 
B) The arterial duct must close. 
C) The umbilical arteries and veins close. 
D) Blood must be able to pass from the right side to the left side. 
E) Fetal blood must be shunted toward the lungs after tying off the umbilical cord.

Question 17

List and describe the major events during the three stages of birth.

Accepted Answer

Stage 1: The cervical canal disappears a

Question 18

The placenta develops from

Accepted Answer

A) fetal membranes only. 
B) maternal tissue only. 
C) both fetal and maternal tissue. 
D) separate polar bodies that develop just the placental tissues. 
E) from the yolk sac. 
A) fetal membranes only. 
B) maternal tissue only. 
C) both fetal and maternal tissue. 
D) separate polar bodies that develop just the placental tissues. 
E) from the yolk sac.

Question 19

Morphogenesis is

Accepted Answer

A) the total life cycle of any animal. 
B) a process by which tissues are shaped into organs. 
C) the mechanism by which gametes are formed. 
D) a study of the beginning and ending of life. 
E) the study of aging. 
A) the total life cycle of any animal. 
B) a process by which tissues are shaped into organs. 
C) the mechanism by which gametes are formed. 
D) a study of the beginning and ending of life. 
E) the study of aging.

Question 20

In human development,the ______ is the site of early blood cell formation for the fetus.

Accepted Answer

A) umbilical cord 
B) placenta 
C) amniotic fluid 
D) yolk sac 
E) allantois 
A) umbilical cord 
B) placenta 
C) amniotic fluid 
D) yolk sac 
E) allantois

Exam 22: Development and Aging

The hormone ____ from the ____ causes mammary lobules in the breast to contract,causing milk to flow.

A pregnancy test is based on the production of ___ by the ____.

Which of the following hormones causes the uterus to contract?

______ is the parceling out of maternal determinants as mitosis occurs in embryonic cells.

The allantoic blood vessels

A homeotic gene codes for a(n)____ protein,a sequence of 60 amino acids,sets of which determine the genes to be turned on during development.

A fertilized egg undergoes cell division without further growth in the process called

The ______ is a dorsal supporting rod present in the early embryonic development of the vertebrates.

Which statement is NOT true regarding aging?

Which of the following does not occur during the process of fertilization?

Which of these is not a change in the skin that occurs with aging?

As we become older,the

Implantation occurs during the

The cardiovascular and urinary systems form from the _______ layer.

Some of the changes that are attributed to aging are actually brought about by poor health habits.One of these is osteoporosis,which could be prevented by

When a baby is born,what change(s)do NOT need to occur in fetal circulation for it to survive?

List and describe the major events during the three stages of birth.

The placenta develops from

Morphogenesis is

In human development,the ______ is the site of early blood cell formation for the fetus.

The Study of Life

The Molecules of Cells

Cell Structure and Function

Membrane Structure and Function

Cell Division

Metabolism: Energy and Enzymes

Cellular Respiration

Photosynthesis

Plant Organization and Function

Plant Reproduction and Responses

Human Organization

Cardiovascular System

Lymphatic and Immune Systems

Digestive System and Nutrition

Respiratory System

Urinary System and Excretion

Nervous System

Senses

Musculoskeletal System

Endocrine System

Reproductive System

Patterns of Gene Inheritance

Chromosomal Inheritance and Genetic Disorders

Dna Structure and Control of Gene Expression

Biotechnology and Genomics

Evolution of Life

Viruses, bacteria, and Archaea

Protistans

Plants

Animals: Part I

Animals Part II

Animal Behavior

Population Ecology

Nature of Ecosystems

The Biosphere

Environmental Concerns

Filters

The hormone from the causes mammary lobules in the breast to contract,causing milk to flow.

A pregnancy test is based on the production of _ by the __.