Question 1

Which of the following statements about the functions follicle stimulating hormone (FSH) and luteinizing hormone (LH) is false?

Accepted Answer

A)  FSH and LH control the development of sperm. 
B)  A sudden and rapid increase in LH triggers ovulation. 
C)  FSH stimulates the maturation of follicles. 
D)  A decrease in LH stimulates menstruation. 
A)  FSH and LH control the development of sperm. 
B)  A sudden and rapid increase in LH triggers ovulation. 
C)  FSH stimulates the maturation of follicles. 
D)  A decrease in LH stimulates menstruation. D

Question 2

During menopause, lower levels of estrogen cause a woman's bone to break down, releasing calcium to the body. How might this affect the levels of calcitonin and parathyroid hormone (PTH) in an otherwise healthy woman going through menopause?

Accepted Answer

A)  Her levels of calcitonin should be high and her levels of PTH should be low. 
B)  Her levels of calcitonin should be low and her levels of PTH should be high. 
C)  Her levels of both calcitonin and PTH should be high. 
D)  Her levels of both calcitonin and PTH should be low. 
A)  Her levels of calcitonin should be high and her levels of PTH should be low. 
B)  Her levels of calcitonin should be low and her levels of PTH should be high. 
C)  Her levels of both calcitonin and PTH should be high. 
D)  Her levels of both calcitonin and PTH should be low. A

Question 3

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

Accepted Answer

A) True 
 B)False  False

Question 4

A single hormone can have different effects on different tissues.

Accepted Answer

A) True 
 B)False

Question 5

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...

Question 6

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 7

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 8

The graph below shows the levels of gonadotropins throughout the menstrual cycle.
   
The darker gray region of the graph corresponds to the period when __________ occurs in the ovaries.

Accepted Answer

The answer of The graph below shows the levels of...

Question 9

Which of the following statements about gonadotropins is false?

Accepted Answer

A)  They maintain the function of reproductive organs and glands. 
B)  Their activity becomes important during puberty. 
C)  They are found only in females. 
D)  They are produced by the pituitary gland. 
A)  They maintain the function of reproductive organs and glands. 
B)  Their activity becomes important during puberty. 
C)  They are found only in females. 
D)  They are produced by the pituitary gland.

Question 10

Epinephrine is produced in the

Accepted Answer

A)  pancreas. 
B)  kidneys. 
C)  adrenal glands. 
D)  hypothalamus. 
A)  pancreas. 
B)  kidneys. 
C)  adrenal glands. 
D)  hypothalamus.

Question 11

Which of the following is not caused by insulin?

Accepted Answer

A)  formation of glycogen 
B)  formation of glucagon 
C)  storage of fatty acids 
D)  storage of amino acids 
A)  formation of glycogen 
B)  formation of glucagon 
C)  storage of fatty acids 
D)  storage of amino acids

Question 12

The 28-day menstrual cycle is regulated by __________ and _____________, both of which are produced in the female gonad.

Accepted Answer

estrogens;

Question 13

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 doesn't occur.

Accepted Answer

The answer of The high levels of progesterone seen after...

Question 14

By what mechanism do most hormones travel through the organism that produces them?

Accepted Answer

A)  circulatory system 
B)  diffusion 
C)  convection 
D)  the nervous system 
A)  circulatory system 
B)  diffusion 
C)  convection 
D)  the nervous system

Question 15

The hormone-producing tissues of animals make up the _______ system.

Accepted Answer

The answer of The hormone-producing tissues of animals make up...

Question 16

In human females, eggs begin to develop at puberty due to the release of

Accepted Answer

A)  gonadotropins. 
B)  calcitonin. 
C)  glucagon. 
D)  insulin. 
A)  gonadotropins. 
B)  calcitonin. 
C)  glucagon. 
D)  insulin.

Question 17

Some hormones do not need receptors and can directly interact with genes in a target cell's nucleus.

Accepted Answer

A) True 
 B)False

Question 18

Serotonin, one of the hormones thought to be involved in depression, is a water-soluble molecule. Where on the target cell would you expect to find receptors for this hormone?

Accepted Answer

A)  in the cytoplasm 
B)  inside the nucleus 
C)  on the outside of the plasma membrane 
D)  in the interstitial fluid around the cell 
A)  in the cytoplasm 
B)  inside the nucleus 
C)  on the outside of the plasma membrane 
D)  in the interstitial fluid around the cell

Question 19

A single hormone molecule can have dramatic effects on a target cell, because it

Accepted Answer

A)  causes the cell to produce thousands of copies of the hormone. 
B)  initiates a chain of events that amplifies its effect. 
C)  causes the nuclear membrane to break down and exposes DNA directly to the hormone. 
D)  becomes surrounded by enzymes that transport it to the nucleus. 
A)  causes the cell to produce thousands of copies of the hormone. 
B)  initiates a chain of events that amplifies its effect. 
C)  causes the nuclear membrane to break down and exposes DNA directly to the hormone. 
D)  becomes surrounded by enzymes that transport it to the nucleus.

Question 20

Which of the following acts to lower blood glucose levels?

Accepted Answer

A)  glucagon 
B)  norepinephrine 
C)  insulin 
D)  parathyroid hormone 
A)  glucagon 
B)  norepinephrine 
C)  insulin 
D)  parathyroid hormone

Exam 24: Animal Hormones

Which of the following statements about the functions follicle stimulating hormone (FSH) and luteinizing hormone (LH) is false?

During menopause, lower levels of estrogen cause a woman's bone to break down, releasing calcium to the body. How might this affect the levels of calcitonin and parathyroid hormone (PTH) in an otherwise healthy woman going through menopause?

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

A single hormone can have different effects on different tissues.

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

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

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

The graph below shows the levels of gonadotropins throughout the menstrual cycle. The darker gray region of the graph corresponds to the period when __________ occurs in the ovaries.

Which of the following statements about gonadotropins is false?

Epinephrine is produced in the

Which of the following is not caused by insulin?

The 28-day menstrual cycle is regulated by __________ and _____________, both of which are produced in the female gonad.

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 doesn't occur.

By what mechanism do most hormones travel through the organism that produces them?

The hormone-producing tissues of animals make up the _______ system.

In human females, eggs begin to develop at puberty due to the release of

Some hormones do not need receptors and can directly interact with genes in a target cell's nucleus.

Serotonin, one of the hormones thought to be involved in depression, is a water-soluble molecule. Where on the target cell would you expect to find receptors for this hormone?

A single hormone molecule can have dramatic effects on a target cell, because it

Which of the following acts to lower blood glucose levels?

The Nature of Science and the Characteristics of Life

Organizing the Diversity of Life

Major Groups of Living Organisms

Chemical Building Blocks

Cell Structure and Internal Compartments

Cell Membranes, Transport, and Communication

Energy and Enzymes

Photosynthesis and Cellular Respiration

Cell Division

Patterns of Inheritance

Chromosomes and Human Genetics

DNA

From Gene to Protein

Control of Gene Expression

DNA Technology

How Evolution Works

Evolution of Populations

Adaptation and Speciation

The Evolutionary History of Life

Maintaining the Internal Environment

Animal Nutrition and Digestion

Gas Exchange

The Circulatory System

The Nervous System

Sensing the Environment

Skeletons, Muscles, and Movement

Defenses against Disease

Reproduction and Development

Animal Behavior

Plant Structure, Nutrition, and Transport

Plant Growth and Reproduction

The Biosphere

Growth of Populations

Interactions among Organisms

Communities of Organisms

Ecosystems

Global Change

Biodiversity and People

Cancer: Cell Division Out of Control

Harnessing the Human Genome

Humans and Evolution

Smoking--Beyond Lung Cancer

Feeding a Hungry Planet

Building a Sustainable Society

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The 28-day menstrual cycle is regulated by and ___, both of which are produced in the female gonad.

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 doesn't occur.