Question 1

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 old 
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 old

Question 2

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...

Question 3

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

Question 4

Labor is regulated by

Accepted Answer

A) negative feedback control. 
B) positive feedback control. 
C) prolactin. 
D) estrogen. 
A) negative feedback control. 
B) positive feedback control. 
C) prolactin. 
D) estrogen.

Question 5

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

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

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 8

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

Question 9

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. 
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.

Question 10

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

Question 11

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. 
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.

Question 12

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. 
A) estrogen. 
B) mutagen. 
C) teratogen. 
D) carcinogen.

Question 13

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

Accepted Answer

urinary bl

Question 14

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

Question 15

At the blastocyst stage, the cells are considered

Accepted Answer

A) totipotent. 
B) extraembryonic. 
C) pluripotent. 
D) endodermal. 
A) totipotent. 
B) extraembryonic. 
C) pluripotent. 
D) endodermal.

Question 16

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

Question 17

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 18

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. 
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.

Question 19

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

Question 20

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. 
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.

Exam 23: Pregnancy, Growth, and Development

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?

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

Labor is regulated by

Apoptosis occurs

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

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

The placental membrane is composed of

Following birth, the infant's metabolic rate

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

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

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

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

Compared to cow milk, human milk has

At the blastocyst stage, the cells are considered

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?

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

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?

The three leading causes of death in the United States are

Amniotic fluid

Introduction to Human Anatomy and Physiology

Chemical Basis of Life

Cells

Cellular Metabolism

Tissues

Integumentary System

Skeletal System

Joints of the Skeletal System

Muscular System

Nervous System I: Basic Structure and Function

Nervous System II: Divisions of the Nervous System

Nervous System III: Senses

Endocrine System

Blood

Cardiovascular System

Lymphatic System and Immunity

Digestive System

Nutrition and Metabolism

Respiratory System

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Genetics and Genomics

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