Question 1

If the blastocyst implants too close to the cervix, a condition called placenta previa can occur.

Accepted Answer

A) True 
 B)False

Question 2

Identical twins

Accepted Answer

A)  are the result of a single fertilized egg. 
B)  usually share an umbilical cord. 
C)  usually share a placenta. 
D)  both A and C. 
A)  are the result of a single fertilized egg. 
B)  usually share an umbilical cord. 
C)  usually share a placenta. 
D)  both A and C.

Question 3

The fimbriae are the parts of the oviducts that are nearest the ovary.

Accepted Answer

A) True 
 B)False

Question 4

Which structure is a hollow ball of cells that develops and implants into the uterus?

Accepted Answer

A)  Blastocyst 
B)  Embryo 
C)  Zygote 
D)  Morula 
A)  Blastocyst 
B)  Embryo 
C)  Zygote 
D)  Morula

Question 5

The event that divides the prenatal and postnatal periods is birth.

Accepted Answer

A) True 
 B)False

Question 6

Bob and his sister Betty are twins. Are they fraternal twins or identical twins? Explain your answer.

Accepted Answer

Based on the information provided, it is

Question 7

Select four body systems, and explain the effects of aging on each system.

Accepted Answer

1. Cardiovascular System: As we age, the

Question 8

Adolescence is

Accepted Answer

A)  generally considered to be the teenage years. 
B)  characterized by the completion of the deciduous teeth. 
C)  characterized by the full closure of the bone growth plates. 
D)  All of the above are true of adolescence. 
A)  generally considered to be the teenage years. 
B)  characterized by the completion of the deciduous teeth. 
C)  characterized by the full closure of the bone growth plates. 
D)  All of the above are true of adolescence.

Question 9

The function of the yolk sac is to

Accepted Answer

A)  provide food until the blastocyst implants in the uterus. 
B)  develop into a protective structure called the "bag of waters." 
C)  help in the production of blood cells. 
D)  All of the above are functions of the yolk sac. 
A)  provide food until the blastocyst implants in the uterus. 
B)  develop into a protective structure called the "bag of waters." 
C)  help in the production of blood cells. 
D)  All of the above are functions of the yolk sac.

Question 10

Match each term with its corresponding description or definition.
-The endoderm, mesoderm, and ectoderm

Accepted Answer

A) Yolk sac 
B) Fraternal twins 
C) Zygote 
D) Histogenesis 
E) Amniotic cavity
F)Identical twins
G)Morula
H)Primary germ layers
I)Blastocyst
J)Placenta 
A) Yolk sac 
B) Fraternal twins 
C) Zygote 
D) Histogenesis 
E) Amniotic cavity
F)Identical twins
G)Morula
H)Primary germ layers
I)Blastocyst
J)Placenta

Question 11

Explain the function of the yolk sac, amniotic sac, chorionic villi, and the placenta.

Accepted Answer

The yolk sac is an extra-embryonic membr

Question 12

Only about 40% of the taste buds present at age 30 remain in a person at age 75.

Accepted Answer

A) True 
 B)False

Question 13

Match each term with its corresponding description or definition.
-A syndrome of postpartum mothers characterized by bacterial infection that progresses to septicemia

Accepted Answer

A) Placenta previa 
B) Abruptio placentae 
C) Eclampsia 
D) Ectopic pregnancy 
E) Teratogen
F)Preeclampsia
G)Mastitis
H)Puerperal fever 
A) Placenta previa 
B) Abruptio placentae 
C) Eclampsia 
D) Ectopic pregnancy 
E) Teratogen
F)Preeclampsia
G)Mastitis
H)Puerperal fever

Question 14

What changes or developmental events occur during adulthood?

Accepted Answer

Adulthood is a significant phase in the

Question 15

Fertilization usually occurs in the

Accepted Answer

A)  uterus. 
B)  outer third of the oviduct near the ovary. 
C)  inner third of the oviduct near the uterus. 
D)  ovarian follicle. 
A)  uterus. 
B)  outer third of the oviduct near the ovary. 
C)  inner third of the oviduct near the uterus. 
D)  ovarian follicle.

Question 16

Match each term with its corresponding description or definition.
-An environmental cause of birth defects

Accepted Answer

A) Placenta previa 
B) Abruptio placentae 
C) Eclampsia 
D) Ectopic pregnancy 
E) Teratogen
F)Preeclampsia
G)Mastitis
H)Puerperal fever 
A) Placenta previa 
B) Abruptio placentae 
C) Eclampsia 
D) Ectopic pregnancy 
E) Teratogen
F)Preeclampsia
G)Mastitis
H)Puerperal fever

Question 17

Which of the following is not formed by the endoderm?

Accepted Answer

A)  Lining of the lungs 
B)  Nasal bones 
C)  Thymus gland 
D)  Tonsils 
A)  Lining of the lungs 
B)  Nasal bones 
C)  Thymus gland 
D)  Tonsils

Question 18

Which of the following is true of the embryo after 35 days of development?

Accepted Answer

A)  The heart is beating. 
B)  The eyes are visible. 
C)  The limb buds are visible. 
D)  All of the above are true. 
A)  The heart is beating. 
B)  The eyes are visible. 
C)  The limb buds are visible. 
D)  All of the above are true.

Question 19

Separation of the placenta from the uterine wall after 20 weeks' gestation is a condition called

Accepted Answer

A)  placenta previa. 
B)  abruptio placentae. 
C)  ectopic pregnancy. 
D)  preeclampsia. 
A)  placenta previa. 
B)  abruptio placentae. 
C)  ectopic pregnancy. 
D)  preeclampsia.

Question 20

Match each term with its corresponding description or definition.
-A condition in which the placenta has pulled away from the uterine wall

Accepted Answer

A) Placenta previa 
B) Abruptio placentae 
C) Eclampsia 
D) Ectopic pregnancy 
E) Teratogen
F)Preeclampsia
G)Mastitis
H)Puerperal fever 
A) Placenta previa 
B) Abruptio placentae 
C) Eclampsia 
D) Ectopic pregnancy 
E) Teratogen
F)Preeclampsia
G)Mastitis
H)Puerperal fever

Exam 24: Growth, Development, and Aging

If the blastocyst implants too close to the cervix, a condition called placenta previa can occur.

Identical twins

The fimbriae are the parts of the oviducts that are nearest the ovary.

Which structure is a hollow ball of cells that develops and implants into the uterus?

The event that divides the prenatal and postnatal periods is birth.

Bob and his sister Betty are twins. Are they fraternal twins or identical twins? Explain your answer.

Select four body systems, and explain the effects of aging on each system.

Adolescence is

The function of the yolk sac is to

Match each term with its corresponding description or definition. -The endoderm, mesoderm, and ectoderm

Explain the function of the yolk sac, amniotic sac, chorionic villi, and the placenta.

Only about 40% of the taste buds present at age 30 remain in a person at age 75.

Match each term with its corresponding description or definition. -A syndrome of postpartum mothers characterized by bacterial infection that progresses to septicemia

What changes or developmental events occur during adulthood?

Fertilization usually occurs in the

Match each term with its corresponding description or definition. -An environmental cause of birth defects

Which of the following is not formed by the endoderm?

Which of the following is true of the embryo after 35 days of development?

Separation of the placenta from the uterine wall after 20 weeks' gestation is a condition called

Match each term with its corresponding description or definition. -A condition in which the placenta has pulled away from the uterine wall

Introduction to the Body

Chemistry of Life

Cells

Tissues

Organ Systems

Mechanisms of Disease

Skin and Membranes

Skeletal System

Muscular System

Nervous System

Senses

Endocrine System

Blood

Heart

Blood

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition and Metabolism

Urinary System

Fluid and Electrolyte Balance

Acid-Base Balance

Reproductive Systems

Genetics and Genetic Diseases

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