Question 1

The most potent stem cells, those that can generate many types of human tissue, can be found in the:

Accepted Answer

A)  red bone marrow. 
B)  zygote 
C)  blastocyst stage. 
D)  Both B and C are correct. 
A)  red bone marrow. 
B)  zygote 
C)  blastocyst stage. 
D)  Both B and C are correct.

Question 2

Between the ages of 30 and 75, the number of nephron units in the kidney decreases by almost:

Accepted Answer

A)  20%. 
B)  30%. 
C)  40%. 
D)  50%. 
A)  20%. 
B)  30%. 
C)  40%. 
D)  50%.

Question 3

The meiotic division differs from the mitotic division in that in the mitotic division, the number of chromosomes is reduced by half.

Accepted Answer

A) True 
 B)False

Question 4

The secretion of human chorionic gonadotropin (hCG) by the placental tissue peaks about _____ weeks after fertilization.

Accepted Answer

A)  2 to 3 
B)  3 to 4 
C)  8 to 9 
D)  13 to 14 
A)  2 to 3 
B)  3 to 4 
C)  8 to 9 
D)  13 to 14

Question 5

As the body develops, the:

Accepted Answer

A)  head becomes proportionately smaller. 
B)  face decreases from one half to one eighth of the skull surface. 
C)  trunk becomes proportionately longer. 
D)  thoracic and abdominal contours become more rounded. 
A)  head becomes proportionately smaller. 
B)  face decreases from one half to one eighth of the skull surface. 
C)  trunk becomes proportionately longer. 
D)  thoracic and abdominal contours become more rounded.

Question 6

An infant is able to follow a moving object with its eyes by the end of the _____ month.

Accepted Answer

A)  first 
B)  second 
C)  third 
D)  fourth 
A)  first 
B)  second 
C)  third 
D)  fourth

Question 7

Besides the nutritional and immunity advantages of nursing, nursing may enhance the emotional bond between mother and child.

Accepted Answer

A) True 
 B)False

Question 8

The process of lactation is an example of hormonal permissiveness because estrogen permits progesterone to have its full effect.

Accepted Answer

A) True 
 B)False

Question 9

The third stage of labor is the:

Accepted Answer

A)  period of uterine contractions until dilation of the cervix is complete. 
B)  period of maximal cervical dilation. 
C)  period when the baby exits the vagina. 
D)  process of expulsion of the placenta through the vagina. 
A)  period of uterine contractions until dilation of the cervix is complete. 
B)  period of maximal cervical dilation. 
C)  period when the baby exits the vagina. 
D)  process of expulsion of the placenta through the vagina.

Question 10

One effect of estrogen is increase of myometrial contractions.

Accepted Answer

A) True 
 B)False

Question 11

The most serious age-related eye disorder is:

Accepted Answer

A)  presbyopia. 
B)  glaucoma. 
C)  cataract. 
D)  hyperopia. 
A)  presbyopia. 
B)  glaucoma. 
C)  cataract. 
D)  hyperopia.

Question 12

The uterine tubes enter the uterus at the top of the fundus.

Accepted Answer

A) True 
 B)False

Question 13

Fraternal twins:

Accepted Answer

A)  have only one placenta. 
B)  have two placentas. 
C)  must always have the same biological father. 
D)  are genetically identical. 
A)  have only one placenta. 
B)  have two placentas. 
C)  must always have the same biological father. 
D)  are genetically identical.

Question 14

The mons pubis is a skin-covered pad of fat over the symphysis pubis.

Accepted Answer

A) True 
 B)False

Question 15

Name the three primary germ layers and name several structures or systems that develop from each.

Accepted Answer

The three primary germ layers are the ec

Question 16

A line drawn between the two ischial tuberosities divides the perineum into a urogenital and anal triangle.

Accepted Answer

A) True 
 B)False

Question 17

During infancy, the lumbar curvature appears between the _____ months.

Accepted Answer

A)  second and fourth 
B)  fourth and sixth 
C)  sixth and tenth 
D)  twelfth and eighteenth 
A)  second and fourth 
B)  fourth and sixth 
C)  sixth and tenth 
D)  twelfth and eighteenth

Question 18

At what age do girls generally begin to menstruate?

Accepted Answer

A)  10 
B)  12 to 13 
C)  14 
D)  15 to 16 
A)  10 
B)  12 to 13 
C)  14 
D)  15 to 16

Question 19

Womb is another name for the uterus.

Accepted Answer

A) True 
 B)False

Question 20

For reproduction to occur successfully, two systems involving two different individuals must function properly.

Accepted Answer

A) True 
 B)False

Exam 47: Growth and Development

The most potent stem cells, those that can generate many types of human tissue, can be found in the:

Between the ages of 30 and 75, the number of nephron units in the kidney decreases by almost:

The meiotic division differs from the mitotic division in that in the mitotic division, the number of chromosomes is reduced by half.

The secretion of human chorionic gonadotropin (hCG) by the placental tissue peaks about _____ weeks after fertilization.

As the body develops, the:

An infant is able to follow a moving object with its eyes by the end of the _____ month.

Besides the nutritional and immunity advantages of nursing, nursing may enhance the emotional bond between mother and child.

The process of lactation is an example of hormonal permissiveness because estrogen permits progesterone to have its full effect.

The third stage of labor is the:

One effect of estrogen is increase of myometrial contractions.

The most serious age-related eye disorder is:

The uterine tubes enter the uterus at the top of the fundus.

Fraternal twins:

The mons pubis is a skin-covered pad of fat over the symphysis pubis.

Name the three primary germ layers and name several structures or systems that develop from each.

A line drawn between the two ischial tuberosities divides the perineum into a urogenital and anal triangle.

During infancy, the lumbar curvature appears between the _____ months.

At what age do girls generally begin to menstruate?

Womb is another name for the uterus.

For reproduction to occur successfully, two systems involving two different individuals must function properly.

Organization of the Body

Homeostasis

Chemical Basis of Life

Biomolecules

Cell Structure

Cell Function

Cell Growth and Development

Introduction to Tissues

Tissue Types

Skin

Skeletal Tissues

Axial Skeleton

Appendicular Skeleton

Articulations

Axial Muscles

Appendicular Muscles

Muscle Contraction

Nervous System Cells

Nerve Signaling

Central Nervous System

Peripheral Nervous System

Autonomic Nervous System

General Senses

Special Senses

Endocrine Regulation

Endocrine Glands

Blood

Heart

Blood Vessels

Circulation of the Blood

Lymphatic System

Innate Immunity

Adaptive Immunity

Stress

Respiratory Tract

Ventilation

Gas Exchange & Transport

Upper Digestive Tract

Lower Digestive Tract

Digestion and Absorption

Nutrition and Metabolism

Urinary System

Fluid and Electrolyte Balance

Acid Base Balance

Male Reproductive System

Female Reproductive System

Genetics and Heredity

Filters