Question 1

Development is a continuous process during which the individual changes from one life phase to another,including growth.

Accepted Answer

A) True 
 B)False

Question 2

The fetal stage of development begins at the end of the

Accepted Answer

A)  second week. 
B)  fourth week. 
C)  eighth week. 
D)  tenth week. 
E)  twelfth week. 
A)  second week. 
B)  fourth week. 
C)  eighth week. 
D)  tenth week. 
E)  twelfth week.

Question 3

During the early stages of pregnancy,the hormone ________ maintains the corpus luteum,until the placenta is established.

Accepted Answer

A)  human chorionic gonadotropin 
B)  testosterone 
C)  estrogen 
D)  progesterone 
E)  androgen 
A)  human chorionic gonadotropin 
B)  testosterone 
C)  estrogen 
D)  progesterone 
E)  androgen

Question 4

The slender projections that grow out from the trophoblast into the uterine wall are called ________.

Accepted Answer

The answer of The slender projections that grow out from...

Question 5

The ductus arteriosus allows fetal blood to move from the

Accepted Answer

A)  right atrium into the left atrium. 
B)  left atrium into the right atrium. 
C)  aorta into the pulmonary trunk. 
D)  pulmonary trunk into the aorta. 
E)  arterioles to capillaries. 
A)  right atrium into the left atrium. 
B)  left atrium into the right atrium. 
C)  aorta into the pulmonary trunk. 
D)  pulmonary trunk into the aorta. 
E)  arterioles to capillaries.

Question 6

The placental membrane is composed of

Accepted Answer

A)  the embryonic disc. 
B)  a single layer of epithelial cells. 
C)  a double layer of epithelial cells. 
D)  the amnion and chorion. 
E)  the yolk sac. 
A)  the embryonic disc. 
B)  a single layer of epithelial cells. 
C)  a double layer of epithelial cells. 
D)  the amnion and chorion. 
E)  the yolk sac.

Question 7

The substance called ________ decreases surface tension in the newborn's lungs.

Accepted Answer

The answer of The substance called ________ decreases surface tension...

Question 8

The primary function of surfactant is to increase surface tension in the newborn's lungs.

Accepted Answer

A) True 
 B)False

Question 9

The fetal blood that passes through the ductus venosus is relatively

Accepted Answer

A)  low in oxygen and nutrients. 
B)  high in oxygen and nutrients. 
C)  low in oxygen but high in nutrients. 
D)  high in oxygen but low in nutrients. 
E)  low in vitamins and minerals. 
A)  low in oxygen and nutrients. 
B)  high in oxygen and nutrients. 
C)  low in oxygen but high in nutrients. 
D)  high in oxygen but low in nutrients. 
E)  low in vitamins and minerals.

Question 10

Normal males have

Accepted Answer

A)  one X and one Y chromosome. 
B)  two X chromosomes. 
C)  two Y chromosomes. 
D)  two X and two Y chromosomes. 
E)  no sex chromosomes. 
A)  one X and one Y chromosome. 
B)  two X chromosomes. 
C)  two Y chromosomes. 
D)  two X and two Y chromosomes. 
E)  no sex chromosomes.

Question 11

The postnatal period extends from

Accepted Answer

A)  the fertilized egg until the end of life. 
B)  fertilization until birth. 
C)  birth to death. 
D)  becoming a parent until death. 
E)  the beginning of the fetal period until the beginning of childhood. 
A)  the fertilized egg until the end of life. 
B)  fertilization until birth. 
C)  birth to death. 
D)  becoming a parent until death. 
E)  the beginning of the fetal period until the beginning of childhood.

Question 12

The hormone that stimulates the mammary glands to secrete milk is

Accepted Answer

A)  estrogen. 
B)  progesterone. 
C)  oxytocin. 
D)  prolactin. 
E)  luteinizing hormone. 
A)  estrogen. 
B)  progesterone. 
C)  oxytocin. 
D)  prolactin. 
E)  luteinizing hormone.

Question 13

The cells of a blastocyst that give rise to the body of the developing offspring constitute the

Accepted Answer

A)  blastomere. 
B)  inner cell mass. 
C)  trophoblast. 
D)  zona pellucida. 
E)  corona radiata. 
A)  blastomere. 
B)  inner cell mass. 
C)  trophoblast. 
D)  zona pellucida. 
E)  corona radiata.

Question 14

Factors that can cause congenital malformations by affecting an embryo during its period of rapid growth and development are called teratogens.

Accepted Answer

A) True 
 B)False

Question 15

The first cell of an offspring is a(an)________.

Accepted Answer

The answer of The first cell of an offspring is...

Question 16

The foramen ovale is an opening that allows fetal blood to pass from the

Accepted Answer

A)  right atrium to the left atrium. 
B)  left atrium to the right atrium. 
C)  right ventricle to the left ventricle. 
D)  left ventricle to the right ventricle. 
E)  fetal liver to the inferior vena cava. 
A)  right atrium to the left atrium. 
B)  left atrium to the right atrium. 
C)  right ventricle to the left ventricle. 
D)  left ventricle to the right ventricle. 
E)  fetal liver to the inferior vena cava.

Question 17

Following birth,the infant's metabolic rate

Accepted Answer

A)  increases and its oxygen consumption increases. 
B)  increases and its oxygen consumption decreases. 
C)  decreases and its oxygen consumption increases. 
D)  decreases and its oxygen consumption decreases. 
E)  remains as it was in the uterus. 
A)  increases and its oxygen consumption increases. 
B)  increases and its oxygen consumption decreases. 
C)  decreases and its oxygen consumption increases. 
D)  decreases and its oxygen consumption decreases. 
E)  remains as it was in the uterus.

Question 18

Passive aging

Accepted Answer

A)  is a result of a person being less active in later years. 
B)  is a process that begins before birth. 
C)  is a breakdown of structures and slowing of functions. 
D)  involves apoptosis. 
E)  may involve the development of autoimmunity. 
A)  is a result of a person being less active in later years. 
B)  is a process that begins before birth. 
C)  is a breakdown of structures and slowing of functions. 
D)  involves apoptosis. 
E)  may involve the development of autoimmunity.

Question 19

A premature fetus has an increased chance of surviving if it produces enough surfactant to aid the functions of its

Accepted Answer

A)  endocrine system. 
B)  respiratory system. 
C)  digestive system. 
D)  nervous system. 
E)  cardiovascular system. 
A)  endocrine system. 
B)  respiratory system. 
C)  digestive system. 
D)  nervous system. 
E)  cardiovascular system.

Development is a continuous process during which the individual changes from one life phase to another,including growth.

The fetal stage of development begins at the end of the

During the early stages of pregnancy,the hormone ________ maintains the corpus luteum,until the placenta is established.

The slender projections that grow out from the trophoblast into the uterine wall are called ________.

The ductus arteriosus allows fetal blood to move from the

The placental membrane is composed of

The substance called ________ decreases surface tension in the newborn's lungs.

The primary function of surfactant is to increase surface tension in the newborn's lungs.

The fetal blood that passes through the ductus venosus is relatively

Normal males have

The postnatal period extends from

The hormone that stimulates the mammary glands to secrete milk is

The cells of a blastocyst that give rise to the body of the developing offspring constitute the

Factors that can cause congenital malformations by affecting an embryo during its period of rapid growth and development are called teratogens.

The first cell of an offspring is a(an)________.

The foramen ovale is an opening that allows fetal blood to pass from the

Following birth,the infant's metabolic rate

Passive aging

A premature fetus has an increased chance of surviving if it produces enough surfactant to aid the functions of its

Introduction to Human Anatomy and Physiology

Chemical Basis of Life

Cells

Cellular Metabolism

Tissues

Integumentary System

Skeletal System

Muscular System

Nervous System

The Senses

Endocrine System

Blood

Cardiovascular System

Lymphatic System and Immunity

Digestive System and Nutrition

Respiratory System

Urinary System

Water, electrolyte, and Acid-Base Balance

Reproductive Systems

Filters

Exam 20: Pregnancy, growth, development, and Genetics

Development is a continuous process during which the individual changes from one life phase to another,including growth.

The fetal stage of development begins at the end of the

During the early stages of pregnancy,the hormone ________ maintains the corpus luteum,until the placenta is established.

The slender projections that grow out from the trophoblast into the uterine wall are called ________.

The ductus arteriosus allows fetal blood to move from the

The placental membrane is composed of

The substance called ________ decreases surface tension in the newborn's lungs.

The primary function of surfactant is to increase surface tension in the newborn's lungs.

The fetal blood that passes through the ductus venosus is relatively

Normal males have

The postnatal period extends from

The hormone that stimulates the mammary glands to secrete milk is

The cells of a blastocyst that give rise to the body of the developing offspring constitute the

Factors that can cause congenital malformations by affecting an embryo during its period of rapid growth and development are called teratogens.

The first cell of an offspring is a(an)________.

The foramen ovale is an opening that allows fetal blood to pass from the

Following birth,the infant's metabolic rate

Passive aging

A premature fetus has an increased chance of surviving if it produces enough surfactant to aid the functions of its

Introduction to Human Anatomy and Physiology

Chemical Basis of Life

Cells

Cellular Metabolism

Tissues

Integumentary System

Skeletal System

Muscular System

Nervous System

The Senses

Endocrine System

Blood

Cardiovascular System

Lymphatic System and Immunity

Digestive System and Nutrition

Respiratory System

Urinary System

Water, electrolyte, and Acid-Base Balance

Reproductive Systems

Filters