Question 1

The major hormone promoting the production of milk is:

Accepted Answer

A)  oxytocin. 
B)  estrogen. 
C)  progesterone. 
D)  prolactin. 
A)  oxytocin. 
B)  estrogen. 
C)  progesterone. 
D)  prolactin.

Question 2

Quickening occurs during the?

Accepted Answer

A)  Late embryonic stage 
B)  First trimester 
C)  Second trimester 
D)  Third trimester 
A)  Late embryonic stage 
B)  First trimester 
C)  Second trimester 
D)  Third trimester

Question 3

Sperm must penetrate the _______________, the outer layer of the ovum, in order to fertilize it.

Accepted Answer

A)  corona radiata 
B)  trophoblast 
C)  zona pellucida 
D)  reticular layer 
A)  corona radiata 
B)  trophoblast 
C)  zona pellucida 
D)  reticular layer

Question 4

Which chromosome-sampling test is able to determine genetic anomalies earliest in a pregnancy?

Accepted Answer

A)  Amniocentesis 
B)  Chorionic villus sampling 
C)  Ultrasound 
D)  4D ultrasound 
A)  Amniocentesis 
B)  Chorionic villus sampling 
C)  Ultrasound 
D)  4D ultrasound

Question 5

Compare IVF to GIFT.

Accepted Answer

A)  IVF fertilization takes place in fallopian tubes, whereas GIFT fertilization takes place in a Petri dish. 
B)  During IVF and GIFT, fertilization takes place in Petri dishes. 
C)  During IVF and GIFT, fertilization takes place in the fallopian tubes. 
D)  IVF fertilization takes place in a Petri dish, whereas GIFT fertilization takes place in the fallopian tubes. 
A)  IVF fertilization takes place in fallopian tubes, whereas GIFT fertilization takes place in a Petri dish. 
B)  During IVF and GIFT, fertilization takes place in Petri dishes. 
C)  During IVF and GIFT, fertilization takes place in the fallopian tubes. 
D)  IVF fertilization takes place in a Petri dish, whereas GIFT fertilization takes place in the fallopian tubes.

Question 6

If the labor needs to be induced, pitocin, a synthetic form of prolactin, will be given intravenously.

Accepted Answer

A) True 
 B)False

Question 7

By week ___, all of the major organs and organ systems are present, though not fully functional.

Accepted Answer

A)  2 
B)  4 
C)  6 
D)  8 
A)  2 
B)  4 
C)  6 
D)  8

Question 8

During the mid-blastula phase, translation of paternal RNA is extremely high, but the egg's mRNA is relatively silent.

Accepted Answer

A) True 
 B)False

Question 9

Describe fetal circulation.

Accepted Answer

At the placenta, wastes from fetal blood

Question 10

Immediately after fertilization, paternal genes are being expressed due to the presence of the sperm whereas maternal genes are inactive at this point.

Accepted Answer

A) True 
 B)False

Question 11

Once the baby's head pushes through the vagina, the body follows quickly.

Accepted Answer

A) True 
 B)False

Question 12

In this diagram, what is the structure labeled A called?

Accepted Answer

A)  Yolk sac 
B)  Amnionic cavity 
C)  Trophoblast 
D)  Embryonic disc 
A)  Yolk sac 
B)  Amnionic cavity 
C)  Trophoblast 
D)  Embryonic disc

Question 13

What usually follows the drop of the cervical mucus plug?

Accepted Answer

A)  Afterbirth 
B)  Expulsion 
C)  "Water-breaking" 
D)  Dilation 
A)  Afterbirth 
B)  Expulsion 
C)  "Water-breaking" 
D)  Dilation

Question 14

It is thought that labor initiates when the fetal ______________ secretes ACTH.

Accepted Answer

anterior p

Question 15

The second trimester sees the beginning of surfactant secretion, an important chemical that prevents the alveoli of the lungs from collapsing.

Accepted Answer

A) True 
 B)False

Question 16

A "breech baby":

Accepted Answer

A)  is when the baby is born before 37 weeks of gestation. 
B)  is when the baby is delivered by cesarean section. 
C)  is when the baby fails to gain weight like other babies its age. 
D)  is when the baby's position in the womb makes it difficult to deliver because the buttocks or feet are lower than the head. 
A)  is when the baby is born before 37 weeks of gestation. 
B)  is when the baby is delivered by cesarean section. 
C)  is when the baby fails to gain weight like other babies its age. 
D)  is when the baby's position in the womb makes it difficult to deliver because the buttocks or feet are lower than the head.

Question 17

Which hormone is responsible for positive readings in early pregnancy tests?

Accepted Answer

A)  Human growth hormone 
B)  Human chorionic gonadotropin 
C)  Leutenizing hormone 
D)  Estrogen 
A)  Human growth hormone 
B)  Human chorionic gonadotropin 
C)  Leutenizing hormone 
D)  Estrogen

Question 18

The trophoblast assists in implantation by digesting the endometrium.

Accepted Answer

A) True 
 B)False

Question 19

How does a fetus obtain oxygen?

Accepted Answer

A)  Fetal hemoglobin 'steals' oxygen from maternal hemoglobin at the placenta. 
B)  Fetal lungs absorb oxygen from the amniotic fluid. 
C)  Maternal blood mixes with fetal blood at the placenta. 
D)  Fetal blood enters the maternal circulatory system and enters maternal lungs. 
A)  Fetal hemoglobin 'steals' oxygen from maternal hemoglobin at the placenta. 
B)  Fetal lungs absorb oxygen from the amniotic fluid. 
C)  Maternal blood mixes with fetal blood at the placenta. 
D)  Fetal blood enters the maternal circulatory system and enters maternal lungs.

Question 20

The epidermis, nervous system, and adrenal medulla emerge from the:

Accepted Answer

A)  endoderm. 
B)  mesoderm. 
C)  ectoderm. 
D)  epithelium. 
A)  endoderm. 
B)  mesoderm. 
C)  ectoderm. 
D)  epithelium.

Exam 20: Pregnancy: Development From Conception to Newborn

The major hormone promoting the production of milk is:

Quickening occurs during the?

Sperm must penetrate the _______________, the outer layer of the ovum, in order to fertilize it.

Which chromosome-sampling test is able to determine genetic anomalies earliest in a pregnancy?

Compare IVF to GIFT.

If the labor needs to be induced, pitocin, a synthetic form of prolactin, will be given intravenously.

By week ___, all of the major organs and organ systems are present, though not fully functional.

During the mid-blastula phase, translation of paternal RNA is extremely high, but the egg's mRNA is relatively silent.

Describe fetal circulation.

Immediately after fertilization, paternal genes are being expressed due to the presence of the sperm whereas maternal genes are inactive at this point.

Once the baby's head pushes through the vagina, the body follows quickly.

In this diagram, what is the structure labeled A called?

What usually follows the drop of the cervical mucus plug?

It is thought that labor initiates when the fetal ______________ secretes ACTH.

The second trimester sees the beginning of surfactant secretion, an important chemical that prevents the alveoli of the lungs from collapsing.

A "breech baby":

Which hormone is responsible for positive readings in early pregnancy tests?

The trophoblast assists in implantation by digesting the endometrium.

How does a fetus obtain oxygen?

The epidermis, nervous system, and adrenal medulla emerge from the:

What Is Life

Where Do We Come From and Where Do We Fit

Everyday Chemistry of Life

Cells: Organization and Communication

Tissues

The Skeletomuscular System

The Nervous System

The Special Senses

Immunity and the Lymphatic System

Infectious Disease and Epidemiology

The Human Microbiome

Cancer

The Cardiovascular System

The Respiratory System: Movement of Air

Nutrition: You Are What You Eat

The Digestive System

The Urinary System

The Endocrine System and Development

The Reproductive Systems: Maintaining the Species

Inheritance, Genetics, and Molecular Biology

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