Question 1

A fast-acting hormone produced by the intermediate lobe of the pituitary and that promotes dispersion of pigment in fishes,amphibians,and reptiles is

Accepted Answer

A) pineal gland stimulating hormone (PGSH). 
B) vasotocin. 
C) melatonin. 
D) melanocyte-stimulating hormone (MSH). 
E) oxytocin. 
A) pineal gland stimulating hormone (PGSH). 
B) vasotocin. 
C) melatonin. 
D) melanocyte-stimulating hormone (MSH). 
E) oxytocin. D

Question 2

Many hormones,upon arriving at a target cell,combine with a receptor site on the membrane to cause the release of an enzyme called the ______ ______.

Accepted Answer

second messenger

Question 3

The perception of pain can be relieved by

Accepted Answer

A) endorphins. 
B) prolactin. 
C) oxytocin. 
D) prostaglandins. 
E) vasotocin. 
A) endorphins. 
B) prolactin. 
C) oxytocin. 
D) prostaglandins. 
E) vasotocin. A

Question 4

Growth hormone is produced by the _______ ________ gland.

Accepted Answer

The answer of Growth hormone is produced by the _______...

Question 5

Menstrual cramps are caused by overproduction of

Accepted Answer

A) endorphins. 
B) prolactin. 
C) oxytocin. 
D) prostaglandins. 
E) vasotocin. 
A) endorphins. 
B) prolactin. 
C) oxytocin. 
D) prostaglandins. 
E) vasotocin.

Question 6

The intermediate lobe of an amphibian pituitary produces a pigment-dispersing hormone called ___________ - ___________ hormone.

Accepted Answer

melanocyte

Question 7

The maintenance of circadian rhythms is related to

Accepted Answer

A) prolactin. 
B) melatonin. 
C) oxytocin. 
D) prostaglandins. 
E) vasotocin. 
A) prolactin. 
B) melatonin. 
C) oxytocin. 
D) prostaglandins. 
E) vasotocin.

Question 8

The hormone produced by the cortex of the adrenal gland that regulates salt balance in the body is called ____________.

Accepted Answer

The answer of The hormone produced by the cortex of...

Question 9

A neurosecretory hormone stored and released from the posterior pituitary,and that has important specialized reproductive functions,is ____________.

Accepted Answer

The answer of A neurosecretory hormone stored and released from...

Question 10

The difference in hormone effects on two different tissues is due to

Accepted Answer

A) receptor molecules on the hormone molecule. 
B) receptor molecules on the target cell. 
C) presence of a second messenger. 
D) presence of a compatible gene. 
A) receptor molecules on the hormone molecule. 
B) receptor molecules on the target cell. 
C) presence of a second messenger. 
D) presence of a compatible gene.

Question 11

The thyroid gland

Accepted Answer

A) regulates the gonads. 
B) is the smallest endocrine gland in humans. 
C) acts on the kidney to restrict urine flow. 
D) stimulates metabolic rate and promotes normal growth. 
E) has a high concentration of calcium. 
A) regulates the gonads. 
B) is the smallest endocrine gland in humans. 
C) acts on the kidney to restrict urine flow. 
D) stimulates metabolic rate and promotes normal growth. 
E) has a high concentration of calcium.

Question 12

The condition in humans called goiter is caused by an insufficiency of ____________ in the food and water.

Accepted Answer

The answer of The condition in humans called goiter is...

Question 13

The most common invertebrate hormones are peptides and _____________________.

Accepted Answer

The answer of The most common invertebrate hormones are peptides...

Question 14

The glucocorticoid hormones

Accepted Answer

A) are involved with food metabolism,inflammation,and stress. 
B) are produced by the adrenal medulla. 
C) are involved with salt balance. 
D) All of the choices are correct. 
E) None of the choices is correct. 
A) are involved with food metabolism,inflammation,and stress. 
B) are produced by the adrenal medulla. 
C) are involved with salt balance. 
D) All of the choices are correct. 
E) None of the choices is correct.

Question 15

Peptide hormones

Accepted Answer

A) are lipid-soluble and easily pass through a plasma membrane. 
B) bind selectively to receptor molecules in the cytoplasm. 
C) bind selectively to receptor molecules in the nucleus. 
D) form a hormone-receptor complex that is a gene regulatory protein that activates or inhibits a specific gene. 
E) Bind to transmembrane protein receptors. 
A) are lipid-soluble and easily pass through a plasma membrane. 
B) bind selectively to receptor molecules in the cytoplasm. 
C) bind selectively to receptor molecules in the nucleus. 
D) form a hormone-receptor complex that is a gene regulatory protein that activates or inhibits a specific gene. 
E) Bind to transmembrane protein receptors.

Question 16

Identify the following according to their functions: cytokines,prostaglandins,throxine,and parathyroid hormone.

Accepted Answer

Cytokines are small proteins that are im

Question 17

Which hormone stimulates the secretion of estrogen and progesterone?

Accepted Answer

A) Antidiuretic hormone 
B) Thyroid stimulating hormone 
C) Luteinizing hormone 
D) Adrenocorticotropic hormone 
E) Growth hormone 
A) Antidiuretic hormone 
B) Thyroid stimulating hormone 
C) Luteinizing hormone 
D) Adrenocorticotropic hormone 
E) Growth hormone

Question 18

Explain in detail how a negative feedback system works and why it is so highly effective in preventing hormonal flux.

Accepted Answer

A negative feedback system is a regulato

Question 19

The hypothalamus

Accepted Answer

A) is a ventral portion of the brain. 
B) contains neurosecretory cells. 
C) produces hormones that stimulate the pituitary. 
D) has a direct linkage,or portal communication,with the anterior pituitary gland. 
E) All of the choices are correct. 
A) is a ventral portion of the brain. 
B) contains neurosecretory cells. 
C) produces hormones that stimulate the pituitary. 
D) has a direct linkage,or portal communication,with the anterior pituitary gland. 
E) All of the choices are correct.

Question 20

The posterior pituitary hormone that acts on the kidney to restrict urine flow is _________________.or
or

Accepted Answer

vasopressi

Exam 34: Chemical Coordination: Endocrine System

A fast-acting hormone produced by the intermediate lobe of the pituitary and that promotes dispersion of pigment in fishes,amphibians,and reptiles is

Many hormones,upon arriving at a target cell,combine with a receptor site on the membrane to cause the release of an enzyme called the ______ ______.

The perception of pain can be relieved by

Growth hormone is produced by the _______ ________ gland.

Menstrual cramps are caused by overproduction of

The intermediate lobe of an amphibian pituitary produces a pigment-dispersing hormone called ___________ - ___________ hormone.

The maintenance of circadian rhythms is related to

The hormone produced by the cortex of the adrenal gland that regulates salt balance in the body is called ____________.

A neurosecretory hormone stored and released from the posterior pituitary,and that has important specialized reproductive functions,is ____________.

The difference in hormone effects on two different tissues is due to

The thyroid gland

The condition in humans called goiter is caused by an insufficiency of ____________ in the food and water.

The most common invertebrate hormones are peptides and _____________________.

The glucocorticoid hormones

Peptide hormones

Identify the following according to their functions: cytokines,prostaglandins,throxine,and parathyroid hormone.

Which hormone stimulates the secretion of estrogen and progesterone?

Explain in detail how a negative feedback system works and why it is so highly effective in preventing hormonal flux.

The hypothalamus

The posterior pituitary hormone that acts on the kidney to restrict urine flow is _________________.or or

Life: Biological Principles and the Science of Zoology

The Origin and Chemistry of Life

Cells As Units of Life

Cellular Metabolism

Genetics: a Review

Organic Evolution

The Reproductive Process

Principles of Development

Architectual Pattern of an Animal

Taxonomy and Phylogeny of Animals

Unicellular Eukaryotes

Sponges and Placozoans

Cnidarians and Ctenophores

Acoelomorpha, Platyzoa, and Mesozoa

Polyzoa and Kryptrochozoa

Molluscs

Annelids and Allied Taxa

Smaller Ecdysozoans

Trilobites, Chelicerates, and Myriapods

Crustaceans

Hexapods

Chaetognaths, echinoderms, and Hemichordates

Chordates

Fishes

Early Tetrapods and Modern Amphibians

Amniote Origins and Nonavian Reptiles

Birds

Mammals

Support, Protection, and Movement

Homeostasis: Osmotic Regulation, Excretion, and Temperature Regulation

Homeostasis: Internal Fluids and Respiration

Digestion and Nutrition

Nervous Coordination: Nervous System and Sense Organs

Immunity

Animal Behavior

Animal Distribution

Animal Ecology

Filters

Many hormones,upon arriving at a target cell,combine with a receptor site on the membrane to cause the release of an enzyme called the .

Growth hormone is produced by the _ __ gland.

The intermediate lobe of an amphibian pituitary produces a pigment-dispersing hormone called _ - _ hormone.