Question 1

Blood in the umbilical arteries is oxygenated.

Accepted Answer

A) True 
 B)False

Question 2

The yolk sac is important because it forms which of the following?

Accepted Answer

A)  Part of the embryo's digestive tube 
B)  The central nervous system 
C)  The spinal column 
D)  The kidneys and liver 
E)  The lungs 
A)  Part of the embryo's digestive tube 
B)  The central nervous system 
C)  The spinal column 
D)  The kidneys and liver 
E)  The lungs

Question 3

An offspring between the eighth week and birth is referred to as an embryo.

Accepted Answer

A) True 
 B)False

Question 4

Twins that result from separate sperm fertilizing separate eggs are called __________ or fraternal twins.

Accepted Answer

The answer of Twins that result from separate sperm fertilizing...

Question 5

Which of the following is formed by the mesoderm?

Accepted Answer

A)  Respiratory epithelium 
B)  The lining of the digestive tract 
C)  Muscular system 
D)  Nervous system 
E)  Endocrine system 
A)  Respiratory epithelium 
B)  The lining of the digestive tract 
C)  Muscular system 
D)  Nervous system 
E)  Endocrine system

Question 6

The pituitary gland produces __________ to assist in producing milk.

Accepted Answer

The answer of The pituitary gland produces __________ to assist...

Question 7

Which of the following is the most common cause of painless bleeding during the third trimester of pregnancy?

Accepted Answer

A)  Placenta cleavage 
B)  Placenta previa 
C)  Abruptio placenta 
D)  Ectopic pregnancy 
E)  Abortion 
A)  Placenta cleavage 
B)  Placenta previa 
C)  Abruptio placenta 
D)  Ectopic pregnancy 
E)  Abortion

Question 8

The trophoblast cells of the __________ are part of placental formation.

Accepted Answer

The answer of The trophoblast cells of the __________ are...

Question 9

Millions of sperm cells are destroyed during fertilization by the vagina's __________ environment.

Accepted Answer

The answer of Millions of sperm cells are destroyed during...

Question 10

The function of the __________ hormone is to relax the pubic symphysis.

Accepted Answer

The answer of The function of the __________ hormone is...

Question 11

The structure that forms a fluid-filled sac is the:

Accepted Answer

A)  chorion. 
B)  yolk sac. 
C)  amnion. 
D)  allantois. 
E)  decidua. 
A)  chorion. 
B)  yolk sac. 
C)  amnion. 
D)  allantois. 
E)  decidua.

Question 12

The fetus is about 40 centimeters long by the end of which month?

Accepted Answer

A)  Fourth 
B)  Fifth 
C)  Sixth 
D)  Seventh 
E)  Ninth 
A)  Fourth 
B)  Fifth 
C)  Sixth 
D)  Seventh 
E)  Ninth

Question 13

Under the influence of the trophoblast, maternal blood vessels in the endometrium break down and form lacunae.

Accepted Answer

A) True 
 B)False

Question 14

Stretching of the cervix would cause an increase in the blood levels of oxytocin.

Accepted Answer

A) True 
 B)False

Question 15

The blood vessels of the embryo are formed by the end of the:

Accepted Answer

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

Question 16

Granulation produces an oval, three-layered structure known as the embryonic disc.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is not a risk factor for preeclampsia?

Accepted Answer

A)  Diabetes 
B)  Hypertension 
C)  Age older than 35 years 
D)  Hypercalcemia 
E)  Multiple fetuses 
A)  Diabetes 
B)  Hypertension 
C)  Age older than 35 years 
D)  Hypercalcemia 
E)  Multiple fetuses

Question 18

Somatic cells contain how many chromosomes?

Accepted Answer

A)  11 
B)  18 
C)  23 
D)  32 
E)  46 
A)  11 
B)  18 
C)  23 
D)  32 
E)  46

Question 19

Progesterone is involved in milk production.

Accepted Answer

A) True 
 B)False

Question 20

The two pronuclei join during amphimixis to form which of the following?

Accepted Answer

A)  Zygote 
B)  Amnion 
C)  Blastocyst 
D)  Morula 
E)  Lacunae 
A)  Zygote 
B)  Amnion 
C)  Blastocyst 
D)  Morula 
E)  Lacunae

Exam 26: Pregnancy and Development

Blood in the umbilical arteries is oxygenated.

The yolk sac is important because it forms which of the following?

An offspring between the eighth week and birth is referred to as an embryo.

Twins that result from separate sperm fertilizing separate eggs are called __________ or fraternal twins.

Which of the following is formed by the mesoderm?

The pituitary gland produces __________ to assist in producing milk.

Which of the following is the most common cause of painless bleeding during the third trimester of pregnancy?

The trophoblast cells of the __________ are part of placental formation.

Millions of sperm cells are destroyed during fertilization by the vagina's __________ environment.

The function of the __________ hormone is to relax the pubic symphysis.

The structure that forms a fluid-filled sac is the:

The fetus is about 40 centimeters long by the end of which month?

Under the influence of the trophoblast, maternal blood vessels in the endometrium break down and form lacunae.

Stretching of the cervix would cause an increase in the blood levels of oxytocin.

The blood vessels of the embryo are formed by the end of the:

Granulation produces an oval, three-layered structure known as the embryonic disc.

Which of the following is not a risk factor for preeclampsia?

Somatic cells contain how many chromosomes?

Progesterone is involved in milk production.

The two pronuclei join during amphimixis to form which of the following?

Introduction to Human Anatomy and Physiology

Chemical Basics of Life

Cells

Cellular Metabolism

Tissues

Integumentary System

Bone Tissues and the Skeletal System

Articulations

Muscle Tissue

Muscular System

Neural Tissue

Central Nervous System

Peripheral Nervous System and Reflex Activity

Autonomic Nervous System

Special Senses

Endocrine System

Blood

The Heart

Vascular System

Lymphatic System and Immunity

Respiratory System

Urinary System

Fluid, Electrolyte, and Acid-Base Balance

Digestive System

Reproductive System

Heredity

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