Question 1

What is the function of oxytocin?

Accepted Answer

A)  to stimulate uterine contractions 
B)  to stimulate the cells of the mammary glands to produce milk 
C)  to regulate the permeability of the collecting tubules of the kidney 
D)  to stimulate ovulation 
E)  to stimulate the growth of the ovarian follicles 
A)  to stimulate uterine contractions 
B)  to stimulate the cells of the mammary glands to produce milk 
C)  to regulate the permeability of the collecting tubules of the kidney 
D)  to stimulate ovulation 
E)  to stimulate the growth of the ovarian follicles

Question 2

Type 2 diabetes is caused by:

Accepted Answer

A)  too much insulin in the blood. 
B)  too little insulin in the blood. 
C)  too much glucagon in the blood. 
D)  too little glucagon in the blood. 
E)  receptors being insensitive to insulin. 
A)  too much insulin in the blood. 
B)  too little insulin in the blood. 
C)  too much glucagon in the blood. 
D)  too little glucagon in the blood. 
E)  receptors being insensitive to insulin.

Question 3

Figure 49-1
Use the figure to answer the corresponding question(s).  
-Refer to Figure 49-1.Which of the following would bind to an intracellular receptor?

Accepted Answer

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

Question 4

The anterior lobe of the pituitary gland releases hormones produced by the hypothalamus.
____________________

Accepted Answer

A) True 
 B)False

Question 5

Exocrine glands have no ducts and secrete their hormones into the surrounding interstial fluid or blood.
____________________

Accepted Answer

A) True 
 B)False

Question 6

In a signal transduction pathway involving cAMP as a second messenger, after a G protein is activated, the activated G protein then activates:

Accepted Answer

A)  phospholipase C. 
B)  adenylyl cyclase. 
C)  calmodulin. 
D)  protein kinase. 
E)  diacylglycerol. 
A)  phospholipase C. 
B)  adenylyl cyclase. 
C)  calmodulin. 
D)  protein kinase. 
E)  diacylglycerol.

Question 7

Figure 49-2
Use the figure to answer the corresponding question(s).  
-The process illustrated in Figure 49-2 is representative of:

Accepted Answer

A)  neuroendocrine signaling. 
B)  paracrine regulation. 
C)  cAMP as a second messenger. 
D)  classical endocrine signaling. 
E)  autocrine regulation. 
A)  neuroendocrine signaling. 
B)  paracrine regulation. 
C)  cAMP as a second messenger. 
D)  classical endocrine signaling. 
E)  autocrine regulation.

Question 8

The function of corticotropin-releasing factor (CSF) is to stimulate:

Accepted Answer

A)  the release of adrenocorticotropic hormone. 
B)  gluconeogenesis. 
C)  adrenaline release. 
D)  glycogen synthesis. 
E)  the inflammatory response. 
A)  the release of adrenocorticotropic hormone. 
B)  gluconeogenesis. 
C)  adrenaline release. 
D)  glycogen synthesis. 
E)  the inflammatory response.

Question 9

Anabolic steroids:

Accepted Answer

A)  are removed from the body fairly quickly due to a low concentration of receptor sites. 
B)  decrease HDL concentration, thereby increasing the risk of cardiovascular disease. 
C)  are naturally produced hormones typically used by athletes for short-term performance enhancement. 
D)  have little or no effect on physiology or behavior at very low doses. 
E)  are metabolized and excreted from the body quickly.. 
A)  are removed from the body fairly quickly due to a low concentration of receptor sites. 
B)  decrease HDL concentration, thereby increasing the risk of cardiovascular disease. 
C)  are naturally produced hormones typically used by athletes for short-term performance enhancement. 
D)  have little or no effect on physiology or behavior at very low doses. 
E)  are metabolized and excreted from the body quickly..

Question 10

Use a specific example to explain how a negative feedback mechanism may be used to regulate the function of endocrine glands.

Accepted Answer

The action of the parathyroid glands is

Question 11

G protein-linked receptors are transmembrane proteins that convert an extracellular hormone signal into an intracellular signal that affects certain cell processes.
____________________

Accepted Answer

A) True 
 B)False

Question 12

Insulin promotes the storage of glucose via all of the following methods except:

Accepted Answer

A)  stimulating protein synthesis. 
B)  reducing the use of fatty acids as fuel. 
C)  promoting the liver to release glucose. 
D)  stimulating fatty acid storage in adipose tissue. 
E)  stimulating glycogen formation. 
A)  stimulating protein synthesis. 
B)  reducing the use of fatty acids as fuel. 
C)  promoting the liver to release glucose. 
D)  stimulating fatty acid storage in adipose tissue. 
E)  stimulating glycogen formation.

Question 13

Neuroendocrine cells release neurohormones which are transported through contact or diffuse through interstitial fluid.
____________________

Accepted Answer

A) True 
 B)False

Question 14

__________ is produced by the anterior lobe of the pituitary.

Accepted Answer

A)  Oxytocin 
B)  Melatonin 
C)  Growth hormone 
D)  ADH 
E)  Epinephrine 
A)  Oxytocin 
B)  Melatonin 
C)  Growth hormone 
D)  ADH 
E)  Epinephrine

Question 15

During stressful situations, epinephrine initiates all of the following actions except:

Accepted Answer

A)  constriction of the blood vessels to the skin. 
B)  constriction of the blood vessels to the heart. 
C)  dilation of the blood vessels to the brain. 
D)  an increase in metabolic rate. 
E)  an increase in blood glucose levels. 
A)  constriction of the blood vessels to the skin. 
B)  constriction of the blood vessels to the heart. 
C)  dilation of the blood vessels to the brain. 
D)  an increase in metabolic rate. 
E)  an increase in blood glucose levels.

Question 16

Figure 49-2
Use the figure to answer the corresponding question(s).  
-In a signal transduction pathway involving phospholipid products as second messengers, after a G protein is activated, the activated G protein then activates:

Accepted Answer

A)  IP2. 
B)  IP3. 
C)  protein kinase C. 
D)  phospholipase C. 
E)  adenylyl cyclase. 
A)  IP2. 
B)  IP3. 
C)  protein kinase C. 
D)  phospholipase C. 
E)  adenylyl cyclase.

Question 17

Gigantism is caused by:

Accepted Answer

A)  hypersecretion of growth hormone during adulthood. 
B)  hyposecretion of thyroxine during adulthood. 
C)  hypersecretion of growth hormone during childhood. 
D)  hyposecretion of thyroxine during childhood. 
E)  hypersecretion of epinephrine during childhood. 
A)  hypersecretion of growth hormone during adulthood. 
B)  hyposecretion of thyroxine during adulthood. 
C)  hypersecretion of growth hormone during childhood. 
D)  hyposecretion of thyroxine during childhood. 
E)  hypersecretion of epinephrine during childhood.

Question 18

Hypothyroidism during infancy and childhood can lead to a condition of retarded mental and physical development called:

Accepted Answer

A)  dwarfism. 
B)  gigantism. 
C)  acromegaly. 
D)  myxedema. 
E)  cretinism. 
A)  dwarfism. 
B)  gigantism. 
C)  acromegaly. 
D)  myxedema. 
E)  cretinism.

Question 19

When thyroid hormone concentration is low the anterior pituitary secretes less TSH.
____________________

Accepted Answer

A) True 
 B)False

Question 20

Which of the following glands is considered to be the master gland of the body?

Accepted Answer

A)  hypothalamus 
B)  adrenal gland 
C)  pituitary gland 
D)  thyroid gland 
E)  parathyroid gland 
A)  hypothalamus 
B)  adrenal gland 
C)  pituitary gland 
D)  thyroid gland 
E)  parathyroid gland

Exam 49: Endocrine Regulation

What is the function of oxytocin?

Type 2 diabetes is caused by:

Figure 49-1 Use the figure to answer the corresponding question(s). -Refer to Figure 49-1.Which of the following would bind to an intracellular receptor?

The anterior lobe of the pituitary gland releases hormones produced by the hypothalamus. ____________________

Exocrine glands have no ducts and secrete their hormones into the surrounding interstial fluid or blood. ____________________

In a signal transduction pathway involving cAMP as a second messenger, after a G protein is activated, the activated G protein then activates:

Figure 49-2 Use the figure to answer the corresponding question(s). -The process illustrated in Figure 49-2 is representative of:

The function of corticotropin-releasing factor (CSF) is to stimulate:

Anabolic steroids:

Use a specific example to explain how a negative feedback mechanism may be used to regulate the function of endocrine glands.

G protein-linked receptors are transmembrane proteins that convert an extracellular hormone signal into an intracellular signal that affects certain cell processes. ____________________

Insulin promotes the storage of glucose via all of the following methods except:

Neuroendocrine cells release neurohormones which are transported through contact or diffuse through interstitial fluid. ____________________

__________ is produced by the anterior lobe of the pituitary.

During stressful situations, epinephrine initiates all of the following actions except:

Figure 49-2 Use the figure to answer the corresponding question(s). -In a signal transduction pathway involving phospholipid products as second messengers, after a G protein is activated, the activated G protein then activates:

Gigantism is caused by:

Hypothyroidism during infancy and childhood can lead to a condition of retarded mental and physical development called:

When thyroid hormone concentration is low the anterior pituitary secretes less TSH. ____________________

Which of the following glands is considered to be the master gland of the body?

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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