Question 1

Human growth hormone can decrease body fat and increase muscle mass.

Accepted Answer

A) True 
 B)False  True

Question 2

The high levels of progesterone seen after ovulation in the human female are produced by a specific region of the ovary known as the ________,which disappears if pregnancy does NOT occur.

Accepted Answer

corpus luteum

Question 3

The graph below shows the levels of estrogen and progesterone over the course of the menstrual cycle.
 
What event is caused by the rapid decrease in hormones in the region indicated by the arrow in the upper right portion of the graph?

Accepted Answer

A)  ovulation 
B)  menstruation 
C)  formation of the corpus luteum 
D)  follicle maturation 
A)  ovulation 
B)  menstruation 
C)  formation of the corpus luteum 
D)  follicle maturation B

Question 4

After ovulation,

Accepted Answer

A)  gonadotropin levels rise quickly. 
B)  estrogen levels rise quickly. 
C)  progesterone becomes the dominant hormone. 
D)  LH levels decrease slowly. 
A)  gonadotropin levels rise quickly. 
B)  estrogen levels rise quickly. 
C)  progesterone becomes the dominant hormone. 
D)  LH levels decrease slowly.

Question 5

Acromegaly results from

Accepted Answer

A)  too little gonadotropin. 
B)  a lack of progesterone. 
C)  insufficient amounts of growth hormone during puberty. 
D)  exposure to growth hormone after maturity. 
A)  too little gonadotropin. 
B)  a lack of progesterone. 
C)  insufficient amounts of growth hormone during puberty. 
D)  exposure to growth hormone after maturity.

Question 6

Adrenalin and norepinephrine

Accepted Answer

A)  have an effect similar to glucagon. 
B)  are antagonists to glucagon. 
C)  have the same effect as calcitonin. 
D)  are antagonists to calcitonin. 
A)  have an effect similar to glucagon. 
B)  are antagonists to glucagon. 
C)  have the same effect as calcitonin. 
D)  are antagonists to calcitonin.

Question 7

In humans,sex hormones only begin to work after birth.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following choices best explains how one hormone can regulate several different developmental events?

Accepted Answer

A)  One hormone can affect different target tissues differently. 
B)  A hormone can migrate to a gland,where the endocrine system reshapes it for a different use. 
C)  Once a steroid hormone attaches to a receptor on the surface of a cell,it starts several different signal cascades that activate many genes at once. 
D)  Hormones are made up of molecules that separate once inside the cell to signal the development of different aspects of sexual maturity. 
A)  One hormone can affect different target tissues differently. 
B)  A hormone can migrate to a gland,where the endocrine system reshapes it for a different use. 
C)  Once a steroid hormone attaches to a receptor on the surface of a cell,it starts several different signal cascades that activate many genes at once. 
D)  Hormones are made up of molecules that separate once inside the cell to signal the development of different aspects of sexual maturity.

Question 9

When blood glucose levels drop to a set point,the production of insulin drops off.This is an example of

Accepted Answer

A)  positive feedback. 
B)  negative feedback. 
C)  neutralization. 
D)  hypoglycemia. 
A)  positive feedback. 
B)  negative feedback. 
C)  neutralization. 
D)  hypoglycemia.

Question 10

Four to six weeks after conception,sex hormones trigger the production of the appropriate male or female ________,or sex organs,in an embryo.

Accepted Answer

The answer of Four to six weeks after conception,sex hormones...

Question 11

A(n)________ is a specialized organ in which hormones are produced.

Accepted Answer

The answer of A(n)________ is a specialized organ in which...

Question 12

In human females,the release of an egg from its follicle is called ________.

Accepted Answer

The answer of In human females,the release of an egg...

Question 13

A single hormone can have different effects on different tissues.

Accepted Answer

A) True 
 B)False

Question 14

Which hormone below is the antagonist of insulin?

Accepted Answer

A)  the parathyroid hormone 
B)  calcitonin 
C)  glucagon 
D)  gonadotropin 
A)  the parathyroid hormone 
B)  calcitonin 
C)  glucagon 
D)  gonadotropin

Question 15

The pancreas regulates ________ levels in the blood by producing a pair of antagonistic hormones.

Accepted Answer

The answer of The pancreas regulates ________ levels in the...

Question 16

The conversion of glucose to glycogen is mediated by

Accepted Answer

A)  insulin. 
B)  glucagon. 
C)  adrenalin. 
D)  estrogen. 
A)  insulin. 
B)  glucagon. 
C)  adrenalin. 
D)  estrogen.

Question 17

Which of the following statements about the human reproductive system is true?

Accepted Answer

A)  The level of hormones in mature females remains constant. 
B)  Females do not produce mature eggs continuously. 
C)  In females,progesterone stimulates the cyclical maturation and release of eggs from the ovaries. 
D)  Estrogen levels fall during the first two weeks of a woman's menstrual cycle. 
A)  The level of hormones in mature females remains constant. 
B)  Females do not produce mature eggs continuously. 
C)  In females,progesterone stimulates the cyclical maturation and release of eggs from the ovaries. 
D)  Estrogen levels fall during the first two weeks of a woman's menstrual cycle.

Question 18

Which of the following is true of birth control pills?

Accepted Answer

A)  They prevent ovulation by maintaining consistently high levels of progesterone. 
B)  They prevent fertilization by changing the chemical makeup of the protective "shell" of the egg so that it cannot be penetrated by sperm. 
C)  They prevent sperm from entering the uterus. 
D)  They break down the synchronicity of ovulation and preparation of the uterus so that when the egg is released,the uterus is not at the right stage to receive it. 
A)  They prevent ovulation by maintaining consistently high levels of progesterone. 
B)  They prevent fertilization by changing the chemical makeup of the protective "shell" of the egg so that it cannot be penetrated by sperm. 
C)  They prevent sperm from entering the uterus. 
D)  They break down the synchronicity of ovulation and preparation of the uterus so that when the egg is released,the uterus is not at the right stage to receive it.

Question 19

Inadequate amounts of one hormone does NOT affect production of another hormone.

Accepted Answer

A) True 
 B)False

Question 20

Antidiuretic hormone (ADH)is produced by the pituitary gland when the brain detects lower than optimum levels of water in the body.In the kidneys,ADH promotes the uptake of water,creating more concentrated urine.ADH travels from the pituitary gland to the kidney through the ________ system.

Accepted Answer

A)  circulatory 
B)  nervous 
C)  endocrine 
D)  digestive 
A)  circulatory 
B)  nervous 
C)  endocrine 
D)  digestive

Exam 29: Animal Hormones

Human growth hormone can decrease body fat and increase muscle mass.

The high levels of progesterone seen after ovulation in the human female are produced by a specific region of the ovary known as the ________,which disappears if pregnancy does NOT occur.

The graph below shows the levels of estrogen and progesterone over the course of the menstrual cycle. What event is caused by the rapid decrease in hormones in the region indicated by the arrow in the upper right portion of the graph?

After ovulation,

Acromegaly results from

Adrenalin and norepinephrine

In humans,sex hormones only begin to work after birth.

Which of the following choices best explains how one hormone can regulate several different developmental events?

When blood glucose levels drop to a set point,the production of insulin drops off.This is an example of

Four to six weeks after conception,sex hormones trigger the production of the appropriate male or female ________,or sex organs,in an embryo.

A(n)________ is a specialized organ in which hormones are produced.

In human females,the release of an egg from its follicle is called ________.

A single hormone can have different effects on different tissues.

Which hormone below is the antagonist of insulin?

The pancreas regulates ________ levels in the blood by producing a pair of antagonistic hormones.

The conversion of glucose to glycogen is mediated by

Which of the following statements about the human reproductive system is true?

Which of the following is true of birth control pills?

Inadequate amounts of one hormone does NOT affect production of another hormone.

Antidiuretic hormone (ADH)is produced by the pituitary gland when the brain detects lower than optimum levels of water in the body.In the kidneys,ADH promotes the uptake of water,creating more concentrated urine.ADH travels from the pituitary gland to the kidney through the ________ system.

The Nature of Science and the Characteristics of Life

The Chemistry of Life

Cell Structure and Internal Compartments

Cell Membranes, Transport, and Communication

Energy, Metabolism, and Enzymes

Photosynthesis and Cellular Respiration

Cell Division

Cancer and Human Health

Patterns of Inheritance

Chromosomes and Human Genetics

DNA and Genes

From Gene to Protein

DNA Technology

How Evolution Works

The Origin of Species

The Evolution of Biodiversity

Biological Diversity, Bacteria, and Archaea

Protista, Plantae, and Fungi

Animalia

The Biosphere

Growth of Populations

Animal Behavior

Ecological Communities

Ecosystems

Global Change

Internal Organization and Homeostasis

Nutrition and Digestion

Circulation and Gas Exchange

Nervous and Sensory Systems

Skeletons,Muscles,and Movement

The Immune System

Reproduction and Development

Plant Structure, Nutrition, and Transport

Plant Growth and Reproduction

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