Question 1

Complete each of the following statments.
____________________ and ____________________ are collectively referred to as thyroid hormone.

Accepted Answer

Tri-iodothyronine (T

Question 2

Which is not true about Grave's disease?

Accepted Answer

A)  It may produce exophthalmos. 
B)  It is an autoimmune disease. 
C)  It produces a goiter. 
D)  It causes an elevated basal metabolic rate. 
E)  It is the most common form of hyperthyroidism. 
A)  It may produce exophthalmos. 
B)  It is an autoimmune disease. 
C)  It produces a goiter. 
D)  It causes an elevated basal metabolic rate. 
E)  It is the most common form of hyperthyroidism.

Question 3

Complete each of the following statments.
Coupling of two DITs yields ____________________, whereas coupling of one DIT and one MIT results in the formation of ____________________.

Accepted Answer

tetraiodothyronine (

Question 4

Which statement is not true?

Accepted Answer

A)  Vitamin D deficiency is the cause of rickets. 
B)  PTH is the most important hormone in the control of calcium metabolism. 
C)  Both calcitonin and PTH are produced in the follicle cells of the thyroid gland. 
D)  Vitamin D is actually a hormone that increases calcium absorption in the intestine. 
E)  Parathyroid hormone is essential for life. 
A)  Vitamin D deficiency is the cause of rickets. 
B)  PTH is the most important hormone in the control of calcium metabolism. 
C)  Both calcitonin and PTH are produced in the follicle cells of the thyroid gland. 
D)  Vitamin D is actually a hormone that increases calcium absorption in the intestine. 
E)  Parathyroid hormone is essential for life.

Question 5

A goiter

Accepted Answer

A)  is an enlarged thyroid 
B)  always accompanies hypothyroidism 
C)  is present only with iodine-deficient diets 
D)  occurs only when TSH levels are elevated 
E)  is an enlarged thyroid and occurs only when TSH levels are elevated 
A)  is an enlarged thyroid 
B)  always accompanies hypothyroidism 
C)  is present only with iodine-deficient diets 
D)  occurs only when TSH levels are elevated 
E)  is an enlarged thyroid and occurs only when TSH levels are elevated

Question 6

Which of the following does not characterize the postabsorptive state?

Accepted Answer

A)  There is a substantial reduction in blood glucose concentration compared to the absorptive state. 
B)  Gluconeogenesis occurs. 
C)  Glucose-sparing occurs. 
D)  Insulin secretion is reduced. 
E)  Glucagon secretion is increased. 
A)  There is a substantial reduction in blood glucose concentration compared to the absorptive state. 
B)  Gluconeogenesis occurs. 
C)  Glucose-sparing occurs. 
D)  Insulin secretion is reduced. 
E)  Glucagon secretion is increased.

Question 7

Osteoblasts communicate to osteoclasts via osteoprotegerin.

Accepted Answer

A) True 
 B)False

Question 8

During the absorptive state

Accepted Answer

A)  Glycogenolysis is occurring. 
B)  Fats are the primary energy source. 
C)  Glucose is the main energy source. 
D)  Amino acid degradation is occurring. 
E)  Glucose sparing occurs. 
A)  Glycogenolysis is occurring. 
B)  Fats are the primary energy source. 
C)  Glucose is the main energy source. 
D)  Amino acid degradation is occurring. 
E)  Glucose sparing occurs.

Question 9

Thyroglobulin is found in the cytosol of the thyroid follicular cells.

Accepted Answer

A) True 
 B)False

Question 10

The adrenal medulla is actually a modified part of the sympathetic nervous system.

Accepted Answer

A) True 
 B)False

Question 11

If a patient is hyperventilating and has a blood sugar level of 800 mg/100 ml, what hormone should be injected for treatment?

Accepted Answer

A)  aldosterone 
B)  insulin 
C)  glucagon 
D)  somatostatin 
E)  cortisol 
A)  aldosterone 
B)  insulin 
C)  glucagon 
D)  somatostatin 
E)  cortisol

Question 12

Elevated blood amino acid levels stimulate the secretion of both insulin and glucagon even though they exert opposite effects on blood amino acid concentration.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following statements concerning vitamin D is incorrect?

Accepted Answer

A)  It can be synthesized by the skin on exposure to sunlight. 
B)  It must be modified by biochemical alterations within the liver and kidneys before it is biologically active. 
C)  It enhances the effect of calcitonin on bone. 
D)  It increases Ca2+ absorption in the intestine. 
E)  Its deficiency in children results in rickets. 
A)  It can be synthesized by the skin on exposure to sunlight. 
B)  It must be modified by biochemical alterations within the liver and kidneys before it is biologically active. 
C)  It enhances the effect of calcitonin on bone. 
D)  It increases Ca2+ absorption in the intestine. 
E)  Its deficiency in children results in rickets.

Question 14

Excess TSH stimulation causes hypertrophy in the thyroid gland.

Accepted Answer

A) True 
 B)False

Question 15

Coma (severely depressed CNS activity) may result from untreated

Accepted Answer

A)  hyperthyroidism 
B)  diabetes mellitus 
C)  insulin excess 
D)  hyperthyroidism and diabetes mellitus 
E)  diabetes mellitus and insulin excess 
A)  hyperthyroidism 
B)  diabetes mellitus 
C)  insulin excess 
D)  hyperthyroidism and diabetes mellitus 
E)  diabetes mellitus and insulin excess

Question 16

Insulin

Accepted Answer

A)  facilitates the transport of glucose into the glucose-dependent brain cells 
B)  increases blood glucose levels to ensure adequate nourishment of the brain 
C)  promotes fat storage in the body 
D)  is stimulated by a lowered blood glucose 
E)  facilitates the transport of glucose into the glucose-dependent brain cells and promotes fat storage in the body 
A)  facilitates the transport of glucose into the glucose-dependent brain cells 
B)  increases blood glucose levels to ensure adequate nourishment of the brain 
C)  promotes fat storage in the body 
D)  is stimulated by a lowered blood glucose 
E)  facilitates the transport of glucose into the glucose-dependent brain cells and promotes fat storage in the body

Question 17

A drop in blood pressure would likely lead to

Accepted Answer

A)  increased plasma aldosterone levels 
B)  increased glucocorticoid levels 
C)  decreased plasma aldosterone levels 
D)  decreased glucocorticoid levels 
E)  decreased mineralocorticoid levels 
A)  increased plasma aldosterone levels 
B)  increased glucocorticoid levels 
C)  decreased plasma aldosterone levels 
D)  decreased glucocorticoid levels 
E)  decreased mineralocorticoid levels

Question 18

PTH enhances the rapid movement of calcium from the bone fluid into the plasma.

Accepted Answer

A) True 
 B)False

Question 19

Hypothyroidism can occur even though the thyroid gland is perfectly normal.

Accepted Answer

A) True 
 B)False

Question 20

Which hormone influences increased protein degradation?

Accepted Answer

A)  insulin 
B)  glucagon 
C)  epinephrine 
D)  cortisol 
E)  growth hormone 
A)  insulin 
B)  glucagon 
C)  epinephrine 
D)  cortisol 
E)  growth hormone

Exam 19: A--The Peripheral Endocrine Glands

Complete each of the following statments. ____________________ and ____________________ are collectively referred to as thyroid hormone.

Which is not true about Grave's disease?

Complete each of the following statments. Coupling of two DITs yields ____________________, whereas coupling of one DIT and one MIT results in the formation of ____________________.

Which statement is not true?

A goiter

Which of the following does not characterize the postabsorptive state?

Osteoblasts communicate to osteoclasts via osteoprotegerin.

During the absorptive state

Thyroglobulin is found in the cytosol of the thyroid follicular cells.

The adrenal medulla is actually a modified part of the sympathetic nervous system.

If a patient is hyperventilating and has a blood sugar level of 800 mg/100 ml, what hormone should be injected for treatment?

Elevated blood amino acid levels stimulate the secretion of both insulin and glucagon even though they exert opposite effects on blood amino acid concentration.

Which of the following statements concerning vitamin D is incorrect?

Excess TSH stimulation causes hypertrophy in the thyroid gland.

Coma (severely depressed CNS activity) may result from untreated

Insulin

A drop in blood pressure would likely lead to

PTH enhances the rapid movement of calcium from the bone fluid into the plasma.

Hypothyroidism can occur even though the thyroid gland is perfectly normal.

Which hormone influences increased protein degradation?

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

A--The Central Nervous System

B--The Central Nervous System

A--The Peripheral Nervous System: Afferent Division; Special Senses

B--The Peripheral Nervous System: Afferent Division; Special Senses

The Peripheral Nervous System: Efferent Division

A--Muscle Physiology

B--Muscle Physiology

A--Cardiac Physiology

B--Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

A--The Respiratory System

B--The Respiratory System

A--The Urinary System

B--The Urinary System

A--Fluid and Acid-Base Balance

B--Fluid and Acid-Base Balance

A--The Digestive System

B--The Digestive System

Energy Balance and Temperature Regulation

A--Principles of Endocrinology: the Central Endocrine Glands

B--Principles of Endocrinology: the Central Endocrine Glands

B--The Peripheral Endocrine Glands

A--The Reproductive System

B--The Reproductive System

Filters

Complete each of the following statments. and are collectively referred to as thyroid hormone.

Complete each of the following statments. Coupling of two DITs yields , whereas coupling of one DIT and one MIT results in the formation of .