Question 1

Figure 49-1
Use the figure to answer the corresponding question(s).  
-Refer to Figure 49-1.Which of the following is a steroid hormone?

Accepted Answer

A)  1 
B)  3 
C)  6 
D)  8 
E)  10 
A)  1 
B)  3 
C)  6 
D)  8 
E)  10

Question 2

Once a hormone activates the enzyme adenylyl cyclase, ATP is converted to cAMP, which in turn:

Accepted Answer

A)  activates protein kinase. 
B)  inhibits phosphodiesterase. 
C)  initiates more cAMP production. 
D)  initiates protein synthesis. 
E)  inhibits protein synthesis. 
A)  activates protein kinase. 
B)  inhibits phosphodiesterase. 
C)  initiates more cAMP production. 
D)  initiates protein synthesis. 
E)  inhibits protein synthesis.

Question 3

Calcium ions may act as second messengers by binding to __________, which then regulates other proteins.

Accepted Answer

A)  adenylyl cyclase 
B)  cyclic AMP 
C)  calmodulin 
D)  phosphodiesterase 
E)  protein kinase 
A)  adenylyl cyclase 
B)  cyclic AMP 
C)  calmodulin 
D)  phosphodiesterase 
E)  protein kinase

Question 4

Figure 49-2
Use the figure to answer the corresponding question(s).  
-After a steroid hormone binds its receptor, the hormone-receptor complex then:

Accepted Answer

A)  activates a G protein. 
B)  activates a protein kinase. 
C)  activates adenylyl cyclase. 
D)  activates calmodulin. 
E)  binds DNA. 
A)  activates a G protein. 
B)  activates a protein kinase. 
C)  activates adenylyl cyclase. 
D)  activates calmodulin. 
E)  binds DNA.

Question 5

Which of the following hormones does not promote growth?

Accepted Answer

A)  antidiuretic hormone 
B)  growth hormone 
C)  insulin-like growth factors 
D)  thyroid hormones 
E)  testosterone 
A)  antidiuretic hormone 
B)  growth hormone 
C)  insulin-like growth factors 
D)  thyroid hormones 
E)  testosterone

Question 6

Which types of hormones can enter cells and turn specific genes on and off?

Accepted Answer

A)  steroid and peptide hormones 
B)  steroid and thyroid hormones 
C)  thyroid and peptide hormones 
D)  peptide and phospholipid hormones 
E)  steroid and phospholipid hormones 
A)  steroid and peptide hormones 
B)  steroid and thyroid hormones 
C)  thyroid and peptide hormones 
D)  peptide and phospholipid hormones 
E)  steroid and phospholipid hormones

Question 7

MATCHING
Match the endocrine gland with a hormone action.
a.lowers and raises blood sugar
d.regulates biological rhythms
b.regulates energy metabolism
e.regulates secretion of hormones by anterior pituitary
c.increases metabolism
-Pancreas

Accepted Answer

The answer of MATCHING
Match the endocrine gland with a hormone...

Question 8

MATCHING
Match the endocrine gland with a hormone action.
a.lowers and raises blood sugar
d.regulates biological rhythms
b.regulates energy metabolism
e.regulates secretion of hormones by anterior pituitary
c.increases metabolism
-Thyroid

Accepted Answer

The answer of MATCHING
Match the endocrine gland with a hormone...

Question 9

Which of the following is a symptom of Cushing's disease?

Accepted Answer

A)  loss of ability to cope with stress 
B)  mild infection 
C)  abnormally large face and hands 
D)  fat deposition around the trunk 
E)  mental retardation 
A)  loss of ability to cope with stress 
B)  mild infection 
C)  abnormally large face and hands 
D)  fat deposition around the trunk 
E)  mental retardation

Question 10

Which of the following molecules does not act as a second messenger?

Accepted Answer

A)  protein kinase 
B)  IP3 
C)  DAG 
D)  calcium ions 
E)  cyclic AMP 
A)  protein kinase 
B)  IP3 
C)  DAG 
D)  calcium ions 
E)  cyclic AMP

Question 11

The products of an endocrine gland:

Accepted Answer

A)  only affect their own tissues. 
B)  can have a digestive function. 
C)  always stimulate the target tissue. 
D)  generally have to travel to reach the target tissue. 
E)  are not produced by cells in organs, such as the heart. 
A)  only affect their own tissues. 
B)  can have a digestive function. 
C)  always stimulate the target tissue. 
D)  generally have to travel to reach the target tissue. 
E)  are not produced by cells in organs, such as the heart.

Question 12

When blood glucose concentration is high, pancreatic beta cells secrete insulin, and consequently blood glucose concentration is increased.
____________________

Accepted Answer

A) True 
 B)False

Question 13

Figure 49-1
Use the figure to answer the corresponding question(s).  
-Refer to Figure 49-1.Which of the following hormones is secreted by the adrenal cortex?

Accepted Answer

A)  1 
B)  2 
C)  4 
D)  6 
E)  8 
A)  1 
B)  2 
C)  4 
D)  6 
E)  8

Question 14

Insulin-like growth factors can induce all of the following actions except:

Accepted Answer

A)  promoting linear growth of the skeleton. 
B)  stimulating growth of cartilage. 
C)  promoting protein synthesis. 
D)  promoting the mobilization of fat. 
E)  increasing organ size. 
A)  promoting linear growth of the skeleton. 
B)  stimulating growth of cartilage. 
C)  promoting protein synthesis. 
D)  promoting the mobilization of fat. 
E)  increasing organ size.

Question 15

Briefly discuss the complementary functional roles of insulin and glucagon.

Accepted Answer

High blood sugar stimulates th

Question 16

The __________ produce(s) __________, which influences biological rhythms and the onset of sleep.

Accepted Answer

A)  pituitary gland; thyroid stimulating hormone 
B)  pituitary gland; adrenocorticotropic hormone 
C)  pineal gland; melatonin 
D)  adrenal cortex; cortisol 
E)  parathyroid glands; parathyroid hormone 
A)  pituitary gland; thyroid stimulating hormone 
B)  pituitary gland; adrenocorticotropic hormone 
C)  pineal gland; melatonin 
D)  adrenal cortex; cortisol 
E)  parathyroid glands; parathyroid hormone

Question 17

Which of the following is not a peptide hormone?

Accepted Answer

A)  calcitonin 
B)  ACTH 
C)  progesterone 
D)  secretin 
E)  glucagon 
A)  calcitonin 
B)  ACTH 
C)  progesterone 
D)  secretin 
E)  glucagon

Question 18

Insulin is produced by the:

Accepted Answer

A)  beta cells of the islets of Langerhans. 
B)  alpha cells of the islets of Langerhans. 
C)  cortical cells of the adrenal gland. 
D)  neurons in the hypothalamus. 
E)  lobules of the liver. 
A)  beta cells of the islets of Langerhans. 
B)  alpha cells of the islets of Langerhans. 
C)  cortical cells of the adrenal gland. 
D)  neurons in the hypothalamus. 
E)  lobules of the liver.

Question 19

MATCHING
Match the endocrine gland with a hormone action.
a.lowers and raises blood sugar
d.regulates biological rhythms
b.regulates energy metabolism
e.regulates secretion of hormones by anterior pituitary
c.increases metabolism
-Pineal gland

Accepted Answer

The answer of MATCHING
Match the endocrine gland with a hormone...

Question 20

Glucagon raises blood glucose levels by:

Accepted Answer

A)  stimulating the liver to take up glucose. 
B)  inhibiting gluconeogenesis. 
C)  stimulating glycogenolysis. 
D)  inhibiting fatty acid mobilization. 
E)  inhibiting amino acid mobilization. 
A)  stimulating the liver to take up glucose. 
B)  inhibiting gluconeogenesis. 
C)  stimulating glycogenolysis. 
D)  inhibiting fatty acid mobilization. 
E)  inhibiting amino acid mobilization.

Exam 49: Endocrine Regulation

Figure 49-1 Use the figure to answer the corresponding question(s). -Refer to Figure 49-1.Which of the following is a steroid hormone?

Once a hormone activates the enzyme adenylyl cyclase, ATP is converted to cAMP, which in turn:

Calcium ions may act as second messengers by binding to __________, which then regulates other proteins.

Figure 49-2 Use the figure to answer the corresponding question(s). -After a steroid hormone binds its receptor, the hormone-receptor complex then:

Which of the following hormones does not promote growth?

Which types of hormones can enter cells and turn specific genes on and off?

MATCHING Match the endocrine gland with a hormone action. a.lowers and raises blood sugar d.regulates biological rhythms b.regulates energy metabolism e.regulates secretion of hormones by anterior pituitary c.increases metabolism -Pancreas

MATCHING Match the endocrine gland with a hormone action. a.lowers and raises blood sugar d.regulates biological rhythms b.regulates energy metabolism e.regulates secretion of hormones by anterior pituitary c.increases metabolism -Thyroid

Which of the following is a symptom of Cushing's disease?

Which of the following molecules does not act as a second messenger?

The products of an endocrine gland:

When blood glucose concentration is high, pancreatic beta cells secrete insulin, and consequently blood glucose concentration is increased. ____________________

Figure 49-1 Use the figure to answer the corresponding question(s). -Refer to Figure 49-1.Which of the following hormones is secreted by the adrenal cortex?

Insulin-like growth factors can induce all of the following actions except:

Briefly discuss the complementary functional roles of insulin and glucagon.

The __________ produce(s) __________, which influences biological rhythms and the onset of sleep.

Which of the following is not a peptide hormone?

Insulin is produced by the:

MATCHING Match the endocrine gland with a hormone action. a.lowers and raises blood sugar d.regulates biological rhythms b.regulates energy metabolism e.regulates secretion of hormones by anterior pituitary c.increases metabolism -Pineal gland

Glucagon raises blood glucose levels by:

A View of Life

Atoms and Molecules: the Chemical Basis of Life

The Chemistry of Life: Organic Compounds

Organization of the Cell

Biological Membranes

Cell Communication

Energy and Metabolism

How Cells Make Atp: Energy-Releasing Pathways

Photosynthesis: Capturing Light Energy

Chromosomes, Mitosis, and Meiosis

The Basic Principles of Heredity

Dna: the Carrier of Genetic Information

Gene Expression

Gene Regulation

Dna Technology and Genomics

Human Genetics and the Human Genome

Developmental Genetics

Introduction to Darwinian Evolution

Evolutionary Change in Populations

Speciation and Macroevolution

The Origin and Evolutionary History of Life

The Evolution of Primates

Understanding Diversity: Systematics

Viruses and Subviral Agents

Bacteria and Archaea

Protists

Seedless Plants

Seed Plants

The Fungi

An Introduction to Animal Diversity

Sponges, Cnidarians, Ctenophores, and Protostomes

The Deuterostomes

Plant Structure, Growth, and Development

Leaf Structure and Function

Stem Structure and Transport

Roots and Mineral Nutrition

Reproduction in Flowering Plants

Plant Developmental Responses to External and Internal Signals

Animal Structure and Function: an Introduction

Protection, Support, and Movement

Neural Signaling

Neural Regulation

Sensory Systems

Internal Transport

The Immune System: Internal Defense

Gas Exchange

Processing Food and Nutrition

Osmoregulation and Disposal of Metabolic Wastes

Reproduction

Animal Development

Animal Behavior

Introduction to Ecology: Population Ecology

Community Ecology

Ecosystems and the Biosphere

Ecology and the Geography of Life

Biological Diversity and Conservation Biology

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