Question 1

The uterine contractions known as "labor pains" are caused by the release of _______ from the posterior pituitary.

Accepted Answer

A)  ADH 
B)  parathyroid hormone 
C)  luteinizing hormone 
D)  oxytocin 
E)  prolactin 
A)  ADH 
B)  parathyroid hormone 
C)  luteinizing hormone 
D)  oxytocin 
E)  prolactin

Question 2

Which hormone supports pregnancy?

Accepted Answer

A)  Insulin 
B)  Glucagon 
C)  Epinephrine 
D)  Progesterone 
E)  Cortisol 
A)  Insulin 
B)  Glucagon 
C)  Epinephrine 
D)  Progesterone 
E)  Cortisol

Question 3

The invertebrate hormone prothoracicotropic hormone (PTTH)

Accepted Answer

A)  is secreted from glands in the thorax. 
B)  integrates information detected by the brain with the control of molting. 
C)  plays no role in molting and metamorphosis. 
D)  is secreted only in adulthood. 
E)  is required in large quantities to have an effect. 
A)  is secreted from glands in the thorax. 
B)  integrates information detected by the brain with the control of molting. 
C)  plays no role in molting and metamorphosis. 
D)  is secreted only in adulthood. 
E)  is required in large quantities to have an effect.

Question 4

The parathyroid glands are involved in regulation of blood levels of

Accepted Answer

A)  glucose. 
B)  iodine. 
C)  sodium. 
D)  thyroxine. 
E)  calcium. 
A)  glucose. 
B)  iodine. 
C)  sodium. 
D)  thyroxine. 
E)  calcium.

Question 5

Use the following to answer questions :
Refer to the diagram below.  
-Which hormone is paired correctly with the site of its synthesis?

Accepted Answer

A)  ACTH - 5 
B)  GnRH - 1 
C)  Growth hormone - 5 
D)  Corticotropin releasing hormone - 1 
E)  Thyroid stimulating hormone - 1 
A)  ACTH - 5 
B)  GnRH - 1 
C)  Growth hormone - 5 
D)  Corticotropin releasing hormone - 1 
E)  Thyroid stimulating hormone - 1

Question 6

The axons of neurons make functional _______ with only certain target cells.

Accepted Answer

The answer of The axons of neurons make functional _______...

Question 7

Insect prothoracicotropic hormone (PTTH)

Accepted Answer

A)  directly stimulates molting if food reserves are adequate. 
B)  inhibits molting until the insect is a certain size. 
C)  inhibits insect growth. 
D)  stimulates the corpora cardiaca to release ecdysone. 
E)  stimulates the prothoracic gland to release ecdysone. 
A)  directly stimulates molting if food reserves are adequate. 
B)  inhibits molting until the insect is a certain size. 
C)  inhibits insect growth. 
D)  stimulates the corpora cardiaca to release ecdysone. 
E)  stimulates the prothoracic gland to release ecdysone.

Question 8

Which statement about sex steroids is false?

Accepted Answer

A)  Gonads produce hormones and gametes. 
B)  Absence of the X chromosome causes the embryonic gonads of mammals to produce androgens. 
C)  Sex steroids are produced at low levels by the gonads in childhood. 
D)  The human embryo has the potential to develop into either a male or a female until the gonads begin producing testosterone. 
E)  Sex steroids are produced by the adrenal cortex. 
A)  Gonads produce hormones and gametes. 
B)  Absence of the X chromosome causes the embryonic gonads of mammals to produce androgens. 
C)  Sex steroids are produced at low levels by the gonads in childhood. 
D)  The human embryo has the potential to develop into either a male or a female until the gonads begin producing testosterone. 
E)  Sex steroids are produced by the adrenal cortex.

Question 9

Which type of goiter (enlarged thyroid)can be reduced by the addition of iodine to the diet?

Accepted Answer

A)  Hyperthyroid goiter,in which thyroxine does not turn off the pituitary's secretion of TSH 
B)  Hyperthyroid goiter,in which the thyroid is activated by high levels of thyroxine 
C)  Hypothyroid goiter,involving low functional thyroxine levels and high thyrotropin levels 
D)  Hypothyroid goiter,involving high functional thyroxine levels and low thyrotropin levels 
E)  All types of goiter 
A)  Hyperthyroid goiter,in which thyroxine does not turn off the pituitary's secretion of TSH 
B)  Hyperthyroid goiter,in which the thyroid is activated by high levels of thyroxine 
C)  Hypothyroid goiter,involving low functional thyroxine levels and high thyrotropin levels 
D)  Hypothyroid goiter,involving high functional thyroxine levels and low thyrotropin levels 
E)  All types of goiter

Question 10

Use the following to answer questions :
A castaway on a desert island puts a message in a bottle and throws it into the ocean,hoping it will wash up on some inhabited shore and bring help.
-In endocrine signaling,the bottle is analogous to a(n)

Accepted Answer

A)  carrier molecule. 
B)  artery. 
C)  nerve cell. 
D)  hormone. 
E)  receptor. 
A)  carrier molecule. 
B)  artery. 
C)  nerve cell. 
D)  hormone. 
E)  receptor.

Question 11

Which of the following represents the correct chronological order of events in the molting and development of an insect?

Accepted Answer

A)  Ecdysone release,juvenile hormone levels determine form (juvenile or adult),prothoracicotropic hormone release 
B)  Prothoracicotropic hormone release,ecdysone release,juvenile hormone levels determine form (juvenile or adult) 
C)  Juvenile hormone levels determine form (juvenile or adult),ecdysone release,prothoracicotropic hormone release 
D)  Prothoracicotropic hormone release,juvenile hormone levels determine form (juvenile or adult),ecdysone release 
E)  Ecdysone release,prothoracicotropic hormone release,juvenile hormone levels determine form (juvenile or adult) 
A)  Ecdysone release,juvenile hormone levels determine form (juvenile or adult),prothoracicotropic hormone release 
B)  Prothoracicotropic hormone release,ecdysone release,juvenile hormone levels determine form (juvenile or adult) 
C)  Juvenile hormone levels determine form (juvenile or adult),ecdysone release,prothoracicotropic hormone release 
D)  Prothoracicotropic hormone release,juvenile hormone levels determine form (juvenile or adult),ecdysone release 
E)  Ecdysone release,prothoracicotropic hormone release,juvenile hormone levels determine form (juvenile or adult)

Question 12

A novel chemical signal that reaches and affects many different types of cells in the body through the circulatory system is discovered.This chemical is most probably released from _______ cells.

Accepted Answer

The answer of A novel chemical signal that reaches and...

Question 13

A researcher analyzing the likelihood that a cell will be responsive to a lipid-soluble hormone should search for the presence of

Accepted Answer

A)  a specific receptor in the cytoplasm or nucleus. 
B)  a specific cell-surface receptor. 
C)  cAMP. 
D)  G proteins. 
E)  a specific DNA sequence to which the hormone binds. 
A)  a specific receptor in the cytoplasm or nucleus. 
B)  a specific cell-surface receptor. 
C)  cAMP. 
D)  G proteins. 
E)  a specific DNA sequence to which the hormone binds.

Question 14

Glands that secrete hormones into the extracellular fluid are called _______ glands.

Accepted Answer

The answer of Glands that secrete hormones into the extracellular...

Question 15

A signal that needs to affect many cell types

Accepted Answer

A)  may bind to multiple receptor types. 
B)  will bind only to extracellular receptors. 
C)  is a neurotransmitter. 
D)  is released by exocrine cells. 
E)  is a steroid hormone. 
A)  may bind to multiple receptor types. 
B)  will bind only to extracellular receptors. 
C)  is a neurotransmitter. 
D)  is released by exocrine cells. 
E)  is a steroid hormone.

Question 16

Which hormone is released rapidly in response to immediate stress?

Accepted Answer

A)  Insulin 
B)  Glucagon 
C)  Epinephrine 
D)  Progesterone 
E)  Cortisol 
A)  Insulin 
B)  Glucagon 
C)  Epinephrine 
D)  Progesterone 
E)  Cortisol

Question 17

Hormones released by the posterior pituitary are produced in the

Accepted Answer

A)  anterior pituitary. 
B)  thymus. 
C)  pineal gland. 
D)  hypothalamus. 
E)  thyroid. 
A)  anterior pituitary. 
B)  thymus. 
C)  pineal gland. 
D)  hypothalamus. 
E)  thyroid.

Question 18

A wireless-network router links a hard-wired desktop with a laptop by transmitting a signal across a distance.This linkage of two distinct systems makes the router analogous to the

Accepted Answer

A)  pituitary gland and its targets. 
B)  hypothalamus and its targets. 
C)  islets of Langerhans and the thalamus. 
D)  ovaries. 
E)  testes. 
A)  pituitary gland and its targets. 
B)  hypothalamus and its targets. 
C)  islets of Langerhans and the thalamus. 
D)  ovaries. 
E)  testes.

Question 19

Which statement about hormones is false?

Accepted Answer

A)  Hormones are analogous to on-off switches. 
B)  Hormones are secreted by endocrine glands. 
C)  Hormone levels are determined by the relative rates of hormone release and hormone removal from the blood stream. 
D)  Hormones act over a period of time,as measured by their half-life. 
E)  Several receptors may mediate actions of a single hormone. 
A)  Hormones are analogous to on-off switches. 
B)  Hormones are secreted by endocrine glands. 
C)  Hormone levels are determined by the relative rates of hormone release and hormone removal from the blood stream. 
D)  Hormones act over a period of time,as measured by their half-life. 
E)  Several receptors may mediate actions of a single hormone.

Question 20

Which statement about the regulation of hormone receptors is false?

Accepted Answer

A)  Continuous high levels of a hormone can decrease the numbers of its receptors. 
B)  Type II diabetes is characterized by a decreased expression of insulin receptors. 
C)  Increased expression of receptors can occur when the levels of hormone secretion are suppressed. 
D)  The abundance of receptors for a hormone can be under feedback control. 
E)  Hormone receptor expression is always constant. 
A)  Continuous high levels of a hormone can decrease the numbers of its receptors. 
B)  Type II diabetes is characterized by a decreased expression of insulin receptors. 
C)  Increased expression of receptors can occur when the levels of hormone secretion are suppressed. 
D)  The abundance of receptors for a hormone can be under feedback control. 
E)  Hormone receptor expression is always constant.

Exam 35: Nervous and Endocrine Control

The uterine contractions known as "labor pains" are caused by the release of _______ from the posterior pituitary.

Which hormone supports pregnancy?

The invertebrate hormone prothoracicotropic hormone (PTTH)

The parathyroid glands are involved in regulation of blood levels of

Use the following to answer questions : Refer to the diagram below. -Which hormone is paired correctly with the site of its synthesis?

The axons of neurons make functional _______ with only certain target cells.

Insect prothoracicotropic hormone (PTTH)

Which statement about sex steroids is false?

Which type of goiter (enlarged thyroid)can be reduced by the addition of iodine to the diet?

Use the following to answer questions : A castaway on a desert island puts a message in a bottle and throws it into the ocean,hoping it will wash up on some inhabited shore and bring help. -In endocrine signaling,the bottle is analogous to a(n)

Which of the following represents the correct chronological order of events in the molting and development of an insect?

A novel chemical signal that reaches and affects many different types of cells in the body through the circulatory system is discovered.This chemical is most probably released from _______ cells.

A researcher analyzing the likelihood that a cell will be responsive to a lipid-soluble hormone should search for the presence of

Glands that secrete hormones into the extracellular fluid are called _______ glands.

A signal that needs to affect many cell types

Which hormone is released rapidly in response to immediate stress?

Hormones released by the posterior pituitary are produced in the

A wireless-network router links a hard-wired desktop with a laptop by transmitting a signal across a distance.This linkage of two distinct systems makes the router analogous to the

Which statement about hormones is false?

Which statement about the regulation of hormone receptors is false?

Introduction

The Chemistry and Energy of Life

Nucleic Acids, Proteins, and Enzymes

Cells: the Working Units of Life

Cell Membranes and Signaling

Pathways That Harvest and Store Chemical Energy

The Cell Cycle and Cell Division

Inheritance, Genes, and Chromosomes

DNA and Its Role in Heredity

From Dna to Protein: Gene Expression

Regulation of Gene Expression

Genomes

Biotechnology

Genes, Development, and Evolution

Processes of Evolution

Reconstructing and Using Phylogenies

Speciation

The History of Life on Earth

Bacteria, Archaea, and Viruses

The Origin and Diversification of Eukaryotes

The Evolution of Plants

The Evolution and Diversity of Fungi

Animal Origins and Diversity

The Plant Body

Plant Nutrition and Transport

Plant Growth and Development

Reproduction of Flowering Plants

Plants in the Environment

Fundamentals of Animal Function

Nutrition and Digestion

Breathing

Circulation

Muscle and Movement

Neurons, Sense Organs, and Nervous Systems

Water and Salts: Excretion

Animal Reproduction

Animal Development

Immunology: Animal Defense Systems

Animal Behavior

The Distribution of Earths Ecological Systems

Populations

Ecological and Evolutionary Consequences of Interactions Within and Among Species

Ecological Communities

The Global Ecosystem

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