Question 1

Iodine accumulation in thyroid cells involves symport with

Accepted Answer

A)  hydrogen. 
B)  sodium. 
C)  potassium. 
D)  chloride. 
A)  hydrogen. 
B)  sodium. 
C)  potassium. 
D)  chloride. B

Question 2

Cortisol has the following effects:

Accepted Answer

A)  suppresses the immune system. 
B)  causes positive calcium balance. 
C)  influences brain function. 
D)  suppresses the immune system and causes positive calcium balance. 
E)  suppresses the immune system and influences brain function. 
A)  suppresses the immune system. 
B)  causes positive calcium balance. 
C)  influences brain function. 
D)  suppresses the immune system and causes positive calcium balance. 
E)  suppresses the immune system and influences brain function. E

Question 3

Increased blood calcium levels result in increased

Accepted Answer

A)  secretion of calcitonin. 
B)  secretion of parathyroid hormone. 
C)  retention of calcium by the kidneys. 
D)  osteoclast activity. 
E)  excitability of neural membranes. 
A)  secretion of calcitonin. 
B)  secretion of parathyroid hormone. 
C)  retention of calcium by the kidneys. 
D)  osteoclast activity. 
E)  excitability of neural membranes. A

Question 4

An adult with cretinism has incomplete manifestation of puberty (e.g.,scant pubic hair),abnormal facial features,dwarfism,and mental retardation.Explain what causes these symptoms.How is cretin dwarfism different from pituitary dwarfism? How could cretinism be prevented?

Accepted Answer

Cretinism results from lack of thyroid h

Question 5

A diagnosis of thyroid cancer may be treated with removal of the thyroid gland.Which hormone or hormones may now be deficient? Considering each hormone individually,which ones should be restored and why? Explain any age-related considerations.Which nonthyroid hormone may be affected by careless thyroidectomy? Explain your answer,indicating whether or not it is critical to maintain this hormone.

Accepted Answer

The thyroid gland is the source of thyro

Question 6

The C cells of the thyroid gland produce

Accepted Answer

A)  only thyroxine. 
B)  only TSH. 
C)  only calcitonin. 
D)  only parathyroid hormone. 
E)  thryoxine and TSH. 
A)  only thyroxine. 
B)  only TSH. 
C)  only calcitonin. 
D)  only parathyroid hormone. 
E)  thryoxine and TSH.

Question 7

Bill does not begin puberty until he is 16.What effect would you predict this will have on his stature?

Accepted Answer

A)  Bill will probably be taller than if he had started puberty earlier. 
B)  Bill will probably be shorter than if he had started puberty earlier. 
C)  Bill will probably be a dwarf. 
D)  Bill will have bones that are denser than normal. 
E)  The late onset of puberty will have no effect on Bill's stature. 
A)  Bill will probably be taller than if he had started puberty earlier. 
B)  Bill will probably be shorter than if he had started puberty earlier. 
C)  Bill will probably be a dwarf. 
D)  Bill will have bones that are denser than normal. 
E)  The late onset of puberty will have no effect on Bill's stature.

Question 8

GH

Accepted Answer

A)  is secreted by the anterior pituitary. 
B)  is secreted by the posterior pituitary. 
C)  binds to a plasma protein. 
D)  is secreted by the anterior pituitary and binds to a plasma protein. 
E)  is secreted by the posterior pituitary and binds to a plasma protein. 
A)  is secreted by the anterior pituitary. 
B)  is secreted by the posterior pituitary. 
C)  binds to a plasma protein. 
D)  is secreted by the anterior pituitary and binds to a plasma protein. 
E)  is secreted by the posterior pituitary and binds to a plasma protein.

Question 9

Match the disease with the description.
-hyperthyroidism

Accepted Answer

A) Addison's disease 
B) Cushing's disease 
C) Graves' disease 
D) Paget's disease 
A) Addison's disease 
B) Cushing's disease 
C) Graves' disease 
D) Paget's disease

Question 10

Explain how the mutant agouti mouse is proving useful as a model for obesity-related disease.

Accepted Answer

See the "Emerging Co

Question 11

Match the disease with the description.
-may be an autoimmune disease

Accepted Answer

A) Addison's disease 
B) Cushing's disease 
C) Graves' disease 
D) Paget's disease 
A) Addison's disease 
B) Cushing's disease 
C) Graves' disease 
D) Paget's disease

Question 12

Name four physiological functions of calcium.

Accepted Answer

1.signal molecule
2.part of in

Question 13

Define hypertrophy and hyperplasia,and describe their hormone regulation.

Accepted Answer

Hypertrophy is increase in cel

Question 14

Crossover effects are sometimes seen among

Accepted Answer

A)  most hormones. 
B)  all hormones. 
C)  peptide/protein hormones. 
D)  steroid hormones. 
A)  most hormones. 
B)  all hormones. 
C)  peptide/protein hormones. 
D)  steroid hormones.

Question 15

The precursor chemical for ACTH synthesis is

Accepted Answer

A)  CRH. 
B)  POMC. 
C)  beta-endorphin. 
D)  MSH. 
E)  TRH. 
A)  CRH. 
B)  POMC. 
C)  beta-endorphin. 
D)  MSH. 
E)  TRH.

Question 16

Carl is suffering from hypothyroidism.How could his physician determine if his symptoms result from problems at the level of the hypothalamus and pituitary or at the level of the gland itself?

Accepted Answer

The physician could order blood tests to

Question 17

The adrenal medulla produces

Accepted Answer

A)  androgens. 
B)  glucocorticoids. 
C)  mineralocorticoids. 
D)  catecholamines. 
E)  corticosteroids. 
A)  androgens. 
B)  glucocorticoids. 
C)  mineralocorticoids. 
D)  catecholamines. 
E)  corticosteroids.

Question 18

Pick one hormone from Chapter 23 and design a concept map showing the feedback pattern,types of hormone receptors and how this relates to normal cellular / tissue responses,and areas in the map which could be the cause of pathologies (i.e.,hyposecretion,hyperresponsiveness,…).

Accepted Answer

The primary hormones covered are adrenal

Question 19

A rise in cortisol would cause each of the following except one.Identify the exception.

Accepted Answer

A)  enhanced rate of glucose synthesis by the liver 
B)  increased rate of glycogen usage by the liver 
C)  higher levels of fatty acids in the blood 
D)  suppression of the immune system 
E)  increased ACTH levels 
A)  enhanced rate of glucose synthesis by the liver 
B)  increased rate of glycogen usage by the liver 
C)  higher levels of fatty acids in the blood 
D)  suppression of the immune system 
E)  increased ACTH levels

Question 20

The approach to treating patients who secrete abnormal amounts of hormone sometimes depends upon the age of the patient.List the hormones of growth and metabolism for which this statement is true,and explain in each case how and why the approach would differ for a prepubertal patient compared to a postpubertal patient.

Accepted Answer

Thyroid hormone and growth hormone are t

Exam 23: Endocrine Control of Growth and Metabolism

Iodine accumulation in thyroid cells involves symport with

Cortisol has the following effects:

Increased blood calcium levels result in increased

An adult with cretinism has incomplete manifestation of puberty (e.g.,scant pubic hair),abnormal facial features,dwarfism,and mental retardation.Explain what causes these symptoms.How is cretin dwarfism different from pituitary dwarfism? How could cretinism be prevented?

The C cells of the thyroid gland produce

Bill does not begin puberty until he is 16.What effect would you predict this will have on his stature?

GH

Match the disease with the description. -hyperthyroidism

Explain how the mutant agouti mouse is proving useful as a model for obesity-related disease.

Match the disease with the description. -may be an autoimmune disease

Name four physiological functions of calcium.

Define hypertrophy and hyperplasia,and describe their hormone regulation.

Crossover effects are sometimes seen among

The precursor chemical for ACTH synthesis is

Carl is suffering from hypothyroidism.How could his physician determine if his symptoms result from problems at the level of the hypothalamus and pituitary or at the level of the gland itself?

The adrenal medulla produces

Pick one hormone from Chapter 23 and design a concept map showing the feedback pattern,types of hormone receptors and how this relates to normal cellular / tissue responses,and areas in the map which could be the cause of pathologies (i.e.,hyposecretion,hyperresponsiveness,…).

A rise in cortisol would cause each of the following except one.Identify the exception.

Introduction to Physiology

Molecular Interactions

Compartmentation: Cells and Tissues

Energy and Cellular Metabolism

Membrane Dynamics

Communication, Integration, and Homeostasis

Introduction to the Endocrine System

Neurons: Cellular and Network Properties

The Central Nervous System

Sensory Physiology

Efferent Division: Autonomic and Somatic Motor Control

Muscles

Integrative Physiology I: Control of Body Movement

Cardiovascular Physiology

Blood Flow and the Control of Blood Pressure

Blood

Mechanics of Breathing

Gas Exchange and Transport

The Kidneys

Integrative Physiology II: Fluid and Electrolyte Balance

The Digestive System

Metabolism and Energy Balance

The Immune System

Integrative Physiology III: Exercise

Reproduction and Development

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