Question 1

A pregnant woman wants to know the approximate day her child was conceived. She knows that the date of the start of her last menstrual period was March 4th. Which of the following choices should be the approximate conception date?

Accepted Answer

A)  March 10th.
B)  March 18th.
C)  March 7th.
D)  December 19th.E) A) and B)
F) B) and D)

Question 2

Monica takes the drug Accutane throughout her pregnancy, and her child has birth defects, due to the exposure. Accutane is a(n)

Accepted Answer

A)  estrogen.
B)  mutagen.
C)  teratogen.
D)  carcinogen.E) A) and B)
F) C) and D)

Question 3

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) B) and C)
F) B) and D)

Question 4

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) None of the above
F) A) and B)

Question 5

In the day or two before milk secretion begins, the breasts secrete ________.

Accepted Answer

The answer of In the day or two before milk...

Question 6

Thalidomide is a drug used to treat leprosy. If given to a pregnant woman, it also can cause

Accepted Answer

A)  fetal alcohol syndrome.
B)  fetal limb defects.
C)  mental retardation.
D)  bacterial infection.E) A) and B)
F) B) and C)

Question 7

A lack of oxytocin secretion from the posterior pituitary gland during birth

Accepted Answer

A)  will result in no fetal muscular movements.
B)  will reduce uterine wall contractions.
C)  causes an increase in progesterone secretion from the placenta.
D)  causes an increase in estrogen secretion from the placenta.E) A) and B)
F) A) and C)

Question 8

The adolescent period begins at the end of the first year and completes at puberty.

Accepted Answer

A) True 
 B)False

Question 9

Amniotic fluid

Accepted Answer

A)  stores nutrients for the fetus.
B)  absorbs wastes the fetus excretes.
C)  protects the embryo against being jarred by movements.
D)  provides nutrients to the fetus from the maternal part of the placenta.E) A) and C)
F) A) and B)

Question 10

In an adult, a solid, cordlike structure called the ________ develops in the place of the former umbilical vein.

Accepted Answer

The answer of In an adult, a solid, cordlike structure...

Question 11

Most large hospitals have a neonatal ward. Knowing what the neonatal period is, how old would you expect the patients in a neonatal ward to be?

Accepted Answer

A)  8 weeks old prebirth up to the time of labor
B)  Just born to four weeks old
C)  Just born to one year old
D)  Four weeks to one year oldE) A) and B)
F) C) and D)

Question 12

The ductus venosus is a fetal vessel that transports blood from the umbilical vein to the

Accepted Answer

A)  umbilical artery.
B)  aorta.
C)  inferior vena cava.
D)  superior vena cava.E) A) and B)
F) A) and C)

Question 13

The three leading causes of death in the United States are

Accepted Answer

A)  infection, kidney disease, and influenza.
B)  heart disease, cancer, and stroke.
C)  diabetes, heart disease, and cancer.
D)  COPD, diabetes, and Alzheimer disease.E) B) and D)
F) A) and B)

Question 14

A fetus develops in such a way that the type II cells of the lungs never develop, resulting in no production of surfactant in the alveoli. The fetus continues development and survives to birth. What will happen when the newborn tries to take its first breath?

Accepted Answer

A)  It won't be able to take its first breath because its lungs will remain collapsed from high surface tension.
B)  It will breathe and then begin coughing as the alveoli will have little to no surface tension.
C)  It won't be able to take its first breath because the lungs need to be filled with fluids after birth to allow them to expand. Without being completely filled with surfactant, air cannot enter.
D)  The lungs will start to be digested, as surfactant blocks proteases and other fluids from reaching alveolar tissues.E) B) and C)
F) None of the above

Question 15

At the blastocyst stage, the cells are considered

Accepted Answer

A)  totipotent.
B)  extraembryonic.
C)  pluripotent.
D)  endodermal.E) A) and B)
F) B) and C)

Question 16

Labor is regulated by

Accepted Answer

A)  negative feedback control.
B)  positive feedback control.
C)  prolactin.
D)  estrogen.E) A) and C)
F) None of the above

Question 17

Compared to cow milk, human milk has

Accepted Answer

A)  1/3 the protein.
B)  1/2 the protein.
C)  2 times the protein.
D)  3 times the protein.E) A) and C)
F) A) and B)

Question 18

Apoptosis occurs

Accepted Answer

A)  only in the aged.
B)  only in adults.
C)  from the embryo onward.
D)  only when someone has a disease.E) A) and B)
F) C) and D)

Question 19

In an adult, the proximal portions of the umbilical arteries persist and supply blood to the ________.

Accepted Answer

urinary bl...

Question 20

The pharmaceutical drug RU-486 is sometimes used for medical abortions. RU-486 blocks progesterone production. It cannot cross from the mother's blood into the placenta. The drug loses most of its abortive properties after the 1ˢᵗ trimester. This is likely because after the 1ˢᵗ trimester, the ________ begins producing a sufficient supply of progesterone and estrogen.

Accepted Answer

The answer of The pharmaceutical drug RU-486 is sometimes used...

Exam 23: Pregnancy, Growth, and Development

The three leading causes of death in the United States are

Correct Answer
verified

Monica takes the drug Accutane throughout her pregnancy, and her child has birth defects, due to the exposure. Accutane is a(n)

Correct Answer
verified

A pregnant woman wants to know the approximate day her child was conceived. She knows that the date of the start of her last menstrual period was March 4th. Which of the following choices should be the approximate conception date?

Correct Answer
verified

In an adult, a solid, cordlike structure called the ________ develops in the place of the former umbilical vein.

Correct Answer
verified

Compared to cow milk, human milk has

Correct Answer
verified

At the blastocyst stage, the cells are considered

Correct Answer
verified

Most large hospitals have a neonatal ward. Knowing what the neonatal period is, how old would you expect the patients in a neonatal ward to be?

Correct Answer
verified

A fetus develops in such a way that the type II cells of the lungs never develop, resulting in no production of surfactant in the alveoli. The fetus continues development and survives to birth. What will happen when the newborn tries to take its first breath?

Correct Answer
verified

The adolescent period begins at the end of the first year and completes at puberty.

Correct Answer
verified

Correct Answer
verified

Amniotic fluid

Correct Answer
verified

In the day or two before milk secretion begins, the breasts secrete ________.

Correct Answer
verified

A lack of oxytocin secretion from the posterior pituitary gland during birth

Correct Answer
verified

In an adult, the proximal portions of the umbilical arteries persist and supply blood to the ________.

Correct Answer
verified
urinary bl...
View Answer

Labor is regulated by

Correct Answer
verified

Following birth, the infant's metabolic rate

Correct Answer
verified

The ductus venosus is a fetal vessel that transports blood from the umbilical vein to the

Correct Answer
verified

Thalidomide is a drug used to treat leprosy. If given to a pregnant woman, it also can cause

Correct Answer
verified

The placental membrane is composed of

Correct Answer
verified

Apoptosis occurs

Correct Answer
verified

Exam 23: Pregnancy, Growth, and Development

The three leading causes of death in the United States are

Correct AnswerverifiedShow Answer

Monica takes the drug Accutane throughout her pregnancy, and her child has birth defects, due to the exposure. Accutane is a(n)

Correct AnswerverifiedShow Answer

A pregnant woman wants to know the approximate day her child was conceived. She knows that the date of the start of her last menstrual period was March 4th. Which of the following choices should be the approximate conception date?

Correct AnswerverifiedShow Answer

In an adult, a solid, cordlike structure called the ________ develops in the place of the former umbilical vein.

Correct AnswerverifiedShow Answer

Compared to cow milk, human milk has

Correct AnswerverifiedShow Answer

At the blastocyst stage, the cells are considered

Correct AnswerverifiedShow Answer

Most large hospitals have a neonatal ward. Knowing what the neonatal period is, how old would you expect the patients in a neonatal ward to be?

Correct AnswerverifiedShow Answer

A fetus develops in such a way that the type II cells of the lungs never develop, resulting in no production of surfactant in the alveoli. The fetus continues development and survives to birth. What will happen when the newborn tries to take its first breath?

Correct AnswerverifiedShow Answer

The adolescent period begins at the end of the first year and completes at puberty.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Amniotic fluid

Correct AnswerverifiedShow Answer

In the day or two before milk secretion begins, the breasts secrete ________.

Correct AnswerverifiedShow Answer

A lack of oxytocin secretion from the posterior pituitary gland during birth

Correct AnswerverifiedShow Answer

In an adult, the proximal portions of the umbilical arteries persist and supply blood to the ________.

Correct Answerverifiedurinary bl...View AnswerShow Answer

Labor is regulated by

Correct AnswerverifiedShow Answer

Following birth, the infant's metabolic rate

Correct AnswerverifiedShow Answer

The ductus venosus is a fetal vessel that transports blood from the umbilical vein to the

Correct AnswerverifiedShow Answer

Thalidomide is a drug used to treat leprosy. If given to a pregnant woman, it also can cause

Correct AnswerverifiedShow Answer

The placental membrane is composed of

Correct AnswerverifiedShow Answer

Apoptosis occurs

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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urinary bl...
View Answer

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