Question 1

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 2

Which of the following hormones have antagonistic effects?

Accepted Answer

A)  Insulin and glucagon 
B)  Growth hormone and oxytocin 
C)  Oxytocin and prolactin 
D)  Cortisol and testosterone 
E)  Thyroid and parathyroid 
A)  Insulin and glucagon 
B)  Growth hormone and oxytocin 
C)  Oxytocin and prolactin 
D)  Cortisol and testosterone 
E)  Thyroid and parathyroid

Question 3

Which of the following statements does not describe hormonal functioning?

Accepted Answer

A)  Hormones act in very low concentrations. 
B)  Many hormones act at sites distant from where they are produced. 
C)  Hormones are transported in the blood. 
D)  Hormones can alter the expression of genes 
E)  All of the above describe hormonal functioning. 
A)  Hormones act in very low concentrations. 
B)  Many hormones act at sites distant from where they are produced. 
C)  Hormones are transported in the blood. 
D)  Hormones can alter the expression of genes 
E)  All of the above describe hormonal functioning.

Question 4

Use the following to answer questions:
Match the hormonal function or action specified in each question that follows with the correct hormone from the list below. 
-First extracted by Frederick Banting and Charles Best

Accepted Answer

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

Question 5

Use the following to answer questions:
Match the hormonal function or action specified in each question that follows with the correct hormone from the list below. 
-Inhibits the release of growth hormone

Accepted Answer

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

Question 6

Hormones released by the posterior pituitary are produced in the

Accepted Answer

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

Question 7

Which of the following statements about mammalian sexual differentiation is true?

Accepted Answer

A)  Any tissue with cells containing the Y chromosome will become a male structure. 
B)  A steady high level of estrogens causes the indifferent organ to become female. 
C)  The absence of estrogens causes an organ to become male. 
D)  The absence of androgens causes an organ to become female. 
E)  Any tissue with cells containing the X chromosome will become female. 
A)  Any tissue with cells containing the Y chromosome will become a male structure. 
B)  A steady high level of estrogens causes the indifferent organ to become female. 
C)  The absence of estrogens causes an organ to become male. 
D)  The absence of androgens causes an organ to become female. 
E)  Any tissue with cells containing the X chromosome will become female.

Question 8

Which of the following is not one of the distinct chemical groups to which hormones belong?

Accepted Answer

A)  Steroids 
B)  Proteins 
C)  Peptides 
D)  Carbohydrates 
E)  Amines 
A)  Steroids 
B)  Proteins 
C)  Peptides 
D)  Carbohydrates 
E)  Amines

Question 9

The hormone responsible for releasing calcium from bone into the bloodstream is

Accepted Answer

A)  insulin. 
B)  calcitonin. 
C)  parathyroid hormone. 
D)  thyroxine. 
E)  somatostatin. 
A)  insulin. 
B)  calcitonin. 
C)  parathyroid hormone. 
D)  thyroxine. 
E)  somatostatin.

Question 10

If you are searching for new compounds that may be hormones, you would not use _______ to test for hormonal activity on target cells.

Accepted Answer

A)  peptides 
B)  proteins 
C)  triglycerides 
D)  steroids 
E)  amines 
A)  peptides 
B)  proteins 
C)  triglycerides 
D)  steroids 
E)  amines

Question 11

Use the following to answer questions:
Match the hormonal function or action specified in each question that follows with the correct hormone from the list below. 
-Inhibits the release of insulin and glucagon

Accepted Answer

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

Question 12

Vitamin D

Accepted Answer

A)  is synthesized by skin cells. 
B)  is also called calciferol. 
C)  is a hormone, not a vitamin. 
D)  is involved in the regulation of calcium. 
E)  All of the above 
A)  is synthesized by skin cells. 
B)  is also called calciferol. 
C)  is a hormone, not a vitamin. 
D)  is involved in the regulation of calcium. 
E)  All of the above

Question 13

Sir Vincent Wigglesworth conducted a number of studies on the insect Rhodnius to examine the control of molting. Describe what would happen to a fourth-instar Rhodnius if it was either partially or fully decapitated one week after a blood meal.

Accepted Answer

The insect Rhodnius can live for long pe

Question 14

Which of the following scientists developed the technique of radioimmunoassay?

Accepted Answer

A)  Paula Radcliffe 
B)  Rosalyn Yalow 
C)  Rosalind Franklin 
D)  Andrew Schally 
E)  Roger Guillemin 
A)  Paula Radcliffe 
B)  Rosalyn Yalow 
C)  Rosalind Franklin 
D)  Andrew Schally 
E)  Roger Guillemin

Question 15

Which of the following hormones is secreted by the posterior pituitary gland?

Accepted Answer

A)  Prolactin 
B)  Oxytocin 
C)  Endorphins 
D)  Growth hormone 
E)  Luteinizing hormone 
A)  Prolactin 
B)  Oxytocin 
C)  Endorphins 
D)  Growth hormone 
E)  Luteinizing hormone

Question 16

Which of the following hormones directly stimulates molting in an insect larva?

Accepted Answer

A)  Brain hormone 
B)  Ecdysone 
C)  Juvenile hormone 
D)  Moltin 
E)  Prolactin 
A)  Brain hormone 
B)  Ecdysone 
C)  Juvenile hormone 
D)  Moltin 
E)  Prolactin

Question 17

PTH

Accepted Answer

A)  stimulates osteoblasts to lay down new bone. 
B)  reduces blood calcium levels. 
C)  stimulates calcitonin release. 
D)  is produced by the thyroid gland. 
E)  is released when blood calcium levels fall. 
A)  stimulates osteoblasts to lay down new bone. 
B)  reduces blood calcium levels. 
C)  stimulates calcitonin release. 
D)  is produced by the thyroid gland. 
E)  is released when blood calcium levels fall.

Question 18

Use the following to answer questions:
Match the hormonal function or action specified in each question that follows with the correct hormone from the list below. 
-Slowly released in response to short-term stress

Accepted Answer

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

Question 19

Which of the following would signal a reduction in thyrotropin release?

Accepted Answer

A)  Increased levels of thyrotropin 
B)  Decreased levels of thyrotropin 
C)  Increased levels of thyroxine 
D)  Decreased levels of thyroxine 
E)  Decreased activity of the thyroid 
A)  Increased levels of thyrotropin 
B)  Decreased levels of thyrotropin 
C)  Increased levels of thyroxine 
D)  Decreased levels of thyroxine 
E)  Decreased activity of the thyroid

Question 20

Which of the following is one of the hormones that controls molting in insects?

Accepted Answer

A)  Ecdysone 
B)  Oxytocin 
C)  Calcitonin 
D)  Insulin 
E)  Aldosterone 
A)  Ecdysone 
B)  Oxytocin 
C)  Calcitonin 
D)  Insulin 
E)  Aldosterone

Exam 41: Animal Hormones

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

Which of the following hormones have antagonistic effects?

Which of the following statements does not describe hormonal functioning?

Use the following to answer questions: Match the hormonal function or action specified in each question that follows with the correct hormone from the list below. -First extracted by Frederick Banting and Charles Best

Use the following to answer questions: Match the hormonal function or action specified in each question that follows with the correct hormone from the list below. -Inhibits the release of growth hormone

Hormones released by the posterior pituitary are produced in the

Which of the following statements about mammalian sexual differentiation is true?

Which of the following is not one of the distinct chemical groups to which hormones belong?

The hormone responsible for releasing calcium from bone into the bloodstream is

If you are searching for new compounds that may be hormones, you would not use _______ to test for hormonal activity on target cells.

Use the following to answer questions: Match the hormonal function or action specified in each question that follows with the correct hormone from the list below. -Inhibits the release of insulin and glucagon

Vitamin D

Sir Vincent Wigglesworth conducted a number of studies on the insect Rhodnius to examine the control of molting. Describe what would happen to a fourth-instar Rhodnius if it was either partially or fully decapitated one week after a blood meal.

Which of the following scientists developed the technique of radioimmunoassay?

Which of the following hormones is secreted by the posterior pituitary gland?

Which of the following hormones directly stimulates molting in an insect larva?

PTH

Use the following to answer questions: Match the hormonal function or action specified in each question that follows with the correct hormone from the list below. -Slowly released in response to short-term stress

Which of the following would signal a reduction in thyrotropin release?

Which of the following is one of the hormones that controls molting in insects?

Studying Life

Small Molecules and the Chemistry of Life

Proteins, Carbohydrates, and Lipids

Nucleic Acids and the Origin of Life

Cells: the Working Units of Life

Cell Membranes

Cell Signaling and Communication

Energy, Enzymes, and Metabolism

Pathways That Harvest Chemical Energy

Photosynthesis: Energy From Sunlight

The Cell Cycle and Cell Division

Inheritance, Genes, and Chromosomes

Dna and Its Role in Heredity

From Dna to Protein: Gene Expression

Gene Mutation and Molecular Medicine

Regulation of Gene Expression

Genomes

Recombinent Dna and Biotechnology

Differential Gene Expression in Development

Development and Evolutionary Change

Evidence and Mechanisms of Evolution

Reconstructing and Using Phylogenies

Species and Their Formation

Evolution of Genes and Genomes

The History of Life on Earth

Bacteria and Archaea: the Prokaryotic Domains

The Origin and Diversification of Eukaryotes

Plants Without Seeds: From Water to Land

The Evolution of Seed Plants

Fungi: Recyclers, Pathogens, Parasites, and Plant Partners

Animal Origins and the Evolution of Body Plans

Protostome Animals

Deuterostome Animals

The Plant Body

Transport in Plants

Plant Nutrition

Regulation of Plant Growth

Reproduction in Flowering Plants

Plant Responses to Environmental Challenges

Physiology, Homeostasis, and Temperature Regulation

Immunology: Animal Defense Systems

Animal Reproduction

Animal Development

Neurons and Nervous Systems

Sensory Systems

The Mammalian Nervous System: Structure and Higher Function

Musculoskeletal Systems

Gas Exchange in Animals

Circulatory Systems

Nutrition, Digestion, and Absorption

Salt and Water Balance and Nitrogen

Animal Behavior

Ecology and the Distribution of Life

Population Ecology

Species Interaction and Coevolution

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