Question 1

Which of these statements is a characteristic of calcitonin?

Accepted Answer

A) Its production is stimulated by TSH. 
B) Its production stimulated by calcium. 
C)  It is secreted by the C-cells of the thyroid gland. 
D)  It is stored in the colloid of the thyroid follicles. 
A) Its production is stimulated by TSH. 
B) Its production stimulated by calcium. 
C)  It is secreted by the C-cells of the thyroid gland. 
D)  It is stored in the colloid of the thyroid follicles.

Question 2

Which of these statements does NOT apply to somatostatin?

Accepted Answer

A) It is produced by the hypothalamus. 
B) It is produced by the pancreatic D cells. 
C)  It inhibits growth hormone secretion. 
D)  It is released in response to a fall in blood glucose and blood amino acids. 
A) It is produced by the hypothalamus. 
B) It is produced by the pancreatic D cells. 
C)  It inhibits growth hormone secretion. 
D)  It is released in response to a fall in blood glucose and blood amino acids.

Question 3

Which of these statements 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 post absorption. 
C)  Glucose-sparing occurs. 
D)  Insulin secretion is reduced. 
A) There is a substantial reduction in blood glucose concentration compared to the absorptive state. 
B) Gluconeogenesis occurs post absorption. 
C)  Glucose-sparing occurs. 
D)  Insulin secretion is reduced.

Question 4

Match the sources, labelled a. through i, with the hormones. (Options may be used more than once or not at all.)
a.alpha cells of islets of Langerhans in the pancreas
b.beta cells of islets of Langerhans in the pancreas
c.anterior pituitary
d.hypothalamus
e.adrenal cortex
f.adrenal medulla
g.parathyroid gland
h.thyroid gland
i.skin
-adrenocorticotropic hormone

Accepted Answer

The answer of Match the sources, labelled a. through i,...

Question 5

Which of these events would be expected from a drop in blood pressure?

Accepted Answer

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

Question 6

_____________________ is the primary trigger for the release of insulin from pancreatic beta cells.

Accepted Answer

The answer of _____________________ is the primary trigger for the...

Question 7

Which of the following characterizes Type I but not Type II diabetes mellitus?

Accepted Answer

A) hyperglycaemia 
B) lack of insulin 
C)  polyuria and polydipsia 
D)  usually manageable by dietary control and weight reduction without the necessity of insulin injections 
A) hyperglycaemia 
B) lack of insulin 
C)  polyuria and polydipsia 
D)  usually manageable by dietary control and weight reduction without the necessity of insulin injections

Question 8

Coupling of two DITs yields _____________________, whereas coupling of one DIT and one MIT results in the formation of _____________________.

Accepted Answer

tetraiodothyronine (

Question 9

Which of these conditions is NOT a characteristic of diabetes mellitus?

Accepted Answer

A) increased glucose utilization due to excessive glucose availability 
B) polyuria due to the osmotic effect of glucose in the urine 
C)  acidosis due to the ketosis accompanying abnormal fat metabolism 
D)  polydipsia due to dehydration 
A) increased glucose utilization due to excessive glucose availability 
B) polyuria due to the osmotic effect of glucose in the urine 
C)  acidosis due to the ketosis accompanying abnormal fat metabolism 
D)  polydipsia due to dehydration

Question 10

Match the sources, labelled a. through i, with the hormones. (Options may be used more than once or not at all.)
a.alpha cells of islets of Langerhans in the pancreas
b.beta cells of islets of Langerhans in the pancreas
c.anterior pituitary
d.hypothalamus
e.adrenal cortex
f.adrenal medulla
g.parathyroid gland
h.thyroid gland
i.skin
-insulin

Accepted Answer

The answer of Match the sources, labelled a. through i,...

Question 11

Match the sources, labelled a. through i, with the hormones. (Options may be used more than once or not at all.)
a.alpha cells of islets of Langerhans in the pancreas
b.beta cells of islets of Langerhans in the pancreas
c.anterior pituitary
d.hypothalamus
e.adrenal cortex
f.adrenal medulla
g.parathyroid gland
h.thyroid gland
i.skin
-vitamin D

Accepted Answer

The answer of Match the sources, labelled a. through i,...

Question 12

A woman is found to have the following symptoms: a large goitre, muscle weakness, excessively emotional and irritable disposition, extreme weight loss, a constant feeling of being too warm in normal-temperature rooms, and bulging eyes. What is the provisional diagnosis?

Accepted Answer

A) myxoedema 
B) Cushing's disease 
C)  Conn's syndrome 
D)  Graves' disease 
A) myxoedema 
B) Cushing's disease 
C)  Conn's syndrome 
D)  Graves' disease

Question 13

Match the sources, labelled a. through i, with the hormones. (Options may be used more than once or not at all.)
a.alpha cells of islets of Langerhans in the pancreas
b.beta cells of islets of Langerhans in the pancreas
c.anterior pituitary
d.hypothalamus
e.adrenal cortex
f.adrenal medulla
g.parathyroid gland
h.thyroid gland
i.skin
-calcitonin

Accepted Answer

The answer of Match the sources, labelled a. through i,...

Question 14

Which of these statements does NOT describe cortisol?

Accepted Answer

A) It is the primary mineralocorticoid. 
B) Its excess is responsible for Cushing's syndrome. 
C)  It increases blood glucose and blood amino acid levels. 
D)  It increases blood fatty acid levels. 
A) It is the primary mineralocorticoid. 
B) Its excess is responsible for Cushing's syndrome. 
C)  It increases blood glucose and blood amino acid levels. 
D)  It increases blood fatty acid levels.

Question 15

Which of these descriptions applies to the "iodine pump"?

Accepted Answer

A) a mechanism whereby target cells extract iodine-containing thyroid hormone from the blood 
B) an active transport mechanism that concentrates iodine in the thyroid 
C)  a mechanism whereby T3 and T4 are released from thyroglobulin and pumped into the circulation 
D)  a protein-binding process whereby T3 and T4 are pumped throughout the body bound to plasma proteins 
A) a mechanism whereby target cells extract iodine-containing thyroid hormone from the blood 
B) an active transport mechanism that concentrates iodine in the thyroid 
C)  a mechanism whereby T3 and T4 are released from thyroglobulin and pumped into the circulation 
D)  a protein-binding process whereby T3 and T4 are pumped throughout the body bound to plasma proteins

Question 16

In which of the following ways does calcium play an important role?

Accepted Answer

A) It aids in the absorption of vitamin D from the digestive tract. 
B) It maintains the proper excitability of nerves and muscles. 
C)  It stimulates osteoblasts to lay down bone. 
A) It aids in the absorption of vitamin D from the digestive tract. 
B) It maintains the proper excitability of nerves and muscles. 
C)  It stimulates osteoblasts to lay down bone.

Question 17

Match the hormones, labelled a. through k., with their correct characteristics. (Options may be used more than once or not at all.)
a.ACTH
b.aldosterone
c.calcitonin
d.cortisol
e.DHEA
f.epinephrine
g.glucagon
h.insulin
i.parathyroid hormone
j.thyroid hormone
k.vitamin D
-general reinforcer of sympathetic activity

Accepted Answer

The answer of Match the hormones, labelled a. through k.,...

Question 18

Which of these statement does NOT correctly apply to calcium homeostasis?

Accepted Answer

A) It involves immediate adjustments required to maintain a constant free Ca2+ concentration on a minute-to-minute basis. 
B) It involves slowly responding adjustments required to maintain a constant total amount of Ca2+ in the body. 
C)  It is maintained primarily by the actions of parathyroid hormone. 
A) It involves immediate adjustments required to maintain a constant free Ca2+ concentration on a minute-to-minute basis. 
B) It involves slowly responding adjustments required to maintain a constant total amount of Ca2+ in the body. 
C)  It is maintained primarily by the actions of parathyroid hormone.

Question 19

Match the hormone abnormalities, labelled a. through n., with the symptoms listed. (Options may be used more than once or not at all.)
a.catecholamine excess
b.catecholamine deficiency
c.mineralocorticoid excess
d.glucocorticoid excess
e.mineralocorticoid glucocorticoid deficiency
f.adrenal androgen excess in adult women
g.adrenal androgen excess in prepubertal boys
h.adrenal androgen excess before birth in females
i.parathyroid hormone deficiency
j.parathyroid hormone excess
k.vitamin D deficiency
l.vitamin D excess
m.insulin deficiency
n.insulin excess
-high blood glucose, muscle weakness and fatigue, "moon-face," "buffalo hump"

Accepted Answer

The answer of Match the hormone abnormalities, labelled a. through...

Question 20

Which of these hormones is NOT secreted in response to stress?

Accepted Answer

A) cortisol 
B) epinephrine 
C)  insulin 
D)  aldosterone 
A) cortisol 
B) epinephrine 
C)  insulin 
D)  aldosterone

Which of these statements is a characteristic of calcitonin?

Which of these statements does NOT apply to somatostatin?

Which of these statements does NOT characterize the postabsorptive state?

Which of these events would be expected from a drop in blood pressure?

_____________________ is the primary trigger for the release of insulin from pancreatic beta cells.

Which of the following characterizes Type I but not Type II diabetes mellitus?

Coupling of two DITs yields _, whereas coupling of one DIT and one MIT results in the formation of _.

Which of these conditions is NOT a characteristic of diabetes mellitus?

A woman is found to have the following symptoms: a large goitre, muscle weakness, excessively emotional and irritable disposition, extreme weight loss, a constant feeling of being too warm in normal-temperature rooms, and bulging eyes. What is the provisional diagnosis?

Which of these statements does NOT describe cortisol?

Which of these descriptions applies to the "iodine pump"?

In which of the following ways does calcium play an important role?

Which of these statement does NOT correctly apply to calcium homeostasis?

Which of these hormones is NOT secreted in response to stress?

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System: Afferent Division; Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

The Respiratory System

The Urinary System

Fluid and Acidbase Balance

Energy Balance and Temperature Regulation

Filters

Exam 16: The Digestive System

Which of these statements is a characteristic of calcitonin?

Which of these statements does NOT apply to somatostatin?

Which of these statements does NOT characterize the postabsorptive state?

Which of these events would be expected from a drop in blood pressure?

_____________________ is the primary trigger for the release of insulin from pancreatic beta cells.

Which of the following characterizes Type I but not Type II diabetes mellitus?

Coupling of two DITs yields _____________________, whereas coupling of one DIT and one MIT results in the formation of _____________________.

Which of these conditions is NOT a characteristic of diabetes mellitus?

A woman is found to have the following symptoms: a large goitre, muscle weakness, excessively emotional and irritable disposition, extreme weight loss, a constant feeling of being too warm in normal-temperature rooms, and bulging eyes. What is the provisional diagnosis?

Which of these statements does NOT describe cortisol?

Which of these descriptions applies to the "iodine pump"?

In which of the following ways does calcium play an important role?

Which of these statement does NOT correctly apply to calcium homeostasis?

Which of these hormones is NOT secreted in response to stress?

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System: Afferent Division; Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

The Respiratory System

The Urinary System

Fluid and Acidbase Balance

Energy Balance and Temperature Regulation

Filters

Coupling of two DITs yields _, whereas coupling of one DIT and one MIT results in the formation of _.