Question 1

Hyperthyroidism can be due to all of the following EXCEPT which one?

Accepted Answer

A) too much TRH 
B) too much TSH 
C)  lack of iodine 
D)  too much T4 or T3 
A) too much TRH 
B) too much TSH 
C)  lack of iodine 
D)  too much T4 or T3

Question 2

Which of these biochemical events does NOT take place during thyroid hormone synthesis?

Accepted Answer

A) one monoiodotyrosine molecule combining with one diiodotyrosine molecule to form one triiodothyronine molecule 
B) two iodine molecules combining with one tyrosine molecule to form one diiodotyrosine molecule 
C)  two diiodotyrosine molecules combining to form one molecule of thyroxine 
D)  four iodine molecules combining with one tyrosine molecule to form one tetraiodothyronine molecule 
A) one monoiodotyrosine molecule combining with one diiodotyrosine molecule to form one triiodothyronine molecule 
B) two iodine molecules combining with one tyrosine molecule to form one diiodotyrosine molecule 
C)  two diiodotyrosine molecules combining to form one molecule of thyroxine 
D)  four iodine molecules combining with one tyrosine molecule to form one tetraiodothyronine molecule

Question 3

The inner portion of the adrenal gland is the ____________________, which secretes hormones belonging to the _____________________ chemical class.

Accepted Answer

adrenal me

Question 4

Which of these statements does NOT correctly describe adrenocortical hormones?

Accepted Answer

A) The glucocorticoids are examples. 
B) Some are steroids. 
C)  They are all controlled primarily by TSH. 
D)  They are secreted from the outer layer of the adrenal gland. 
A) The glucocorticoids are examples. 
B) Some are steroids. 
C)  They are all controlled primarily by TSH. 
D)  They are secreted from the outer layer of the adrenal gland.

Question 5

Which of the following conditions is characteristic of hypoparathyroidism?

Accepted Answer

A) hypocalcaemia 
B) hypophosphateaemia 
C)  reduced neuromuscular excitability 
D)  hyperkalaemia 
A) hypocalcaemia 
B) hypophosphateaemia 
C)  reduced neuromuscular excitability 
D)  hyperkalaemia

Question 6

The parathyroid gland secretes parathyroid hormone and calcitonin.

Accepted Answer

A) True 
 B)False

Question 7

Where does glycogenesis occur?

Accepted Answer

A) liver 
B) brain 
C)  working muscle 
D)  nonworking muscle 
A) liver 
B) brain 
C)  working muscle 
D)  nonworking muscle

Question 8

The calorigenic effect of the thyroid hormones is a _____________________ producing effect.

Accepted Answer

The answer of The calorigenic effect of the thyroid hormones...

Question 9

Which of the following is NOT characteristic of Graves' disease?

Accepted Answer

A) It is a symptom is exophthalmos. 
B) It is an autoimmune disease. 
C)  It is caused by a goitre. 
D)  There is an elevated basal metabolic rate. 
A) It is a symptom is exophthalmos. 
B) It is an autoimmune disease. 
C)  It is caused by a goitre. 
D)  There is an elevated basal metabolic rate.

Question 10

Which statement provides a characteristic of a goitre?

Accepted Answer

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

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

Amino acids can be converted to glucose, whereas fatty acids cannot.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following hormones targets osteoclasts when blood calcium levels are too low, thus causing an increase in the concentration of calcium in the blood?

Accepted Answer

A) thyroid hormone 
B) cortisol 
C)  parathyroid hormone 
D)  calcitonin 
A) thyroid hormone 
B) cortisol 
C)  parathyroid hormone 
D)  calcitonin

Question 14

The absorptive state is directed by an increase in insulin secretion.

Accepted Answer

A) True 
 B)False

Question 15

Plasma phosphate concentration is not as tightly controlled as plasma calcium concentration.

Accepted Answer

A) True 
 B)False

Question 16

Which of these actions is performed by insulin?

Accepted Answer

A) It facilitates the entry of glucose into brain tissue. 
B) It promotes glucose output by the liver. 
C)  It lowers blood glucose levels. 
D)  It facilitates gluconeogenesis in liver tissues. 
A) It facilitates the entry of glucose into brain tissue. 
B) It promotes glucose output by the liver. 
C)  It lowers blood glucose levels. 
D)  It facilitates gluconeogenesis in liver tissues.

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
-secreted by pancreatic alpha cells

Accepted Answer

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

Question 18

Cortisol is secreted by the zona glomerulosa, aldosterone by the zona fasciculata, and sex hormones by the zona reticularis.

Accepted Answer

A) True 
 B)False

Question 19

In which of the following forms does Ca2+ exhibit profound effects on such things as neuromuscular excitability?

Accepted Answer

A) as free, unbound, diffusible Ca2+ 
B) as intracellular Ca2+ 
C)  as calcium phosphate crystals impregnated in the organic matrix of bone 
D)  as calcium bound to plasma proteins 
A) as free, unbound, diffusible Ca2+ 
B) as intracellular Ca2+ 
C)  as calcium phosphate crystals impregnated in the organic matrix of bone 
D)  as calcium bound to plasma proteins

Question 20

Which statement is NOT true for dehydroepiandrosterone?

Accepted Answer

A) It is the most abundant adrenal androgen. 
B) It is responsible for the development and maintenance of the female sex drive. 
C)  It is controlled by the gonadotropic hormones. 
D)  It is a precursor of testosterone. 
A) It is the most abundant adrenal androgen. 
B) It is responsible for the development and maintenance of the female sex drive. 
C)  It is controlled by the gonadotropic hormones. 
D)  It is a precursor of testosterone.

Hyperthyroidism can be due to all of the following EXCEPT which one?

Which of these biochemical events does NOT take place during thyroid hormone synthesis?

The inner portion of the adrenal gland is the , which secretes hormones belonging to the _ chemical class.

Which of these statements does NOT correctly describe adrenocortical hormones?

Which of the following conditions is characteristic of hypoparathyroidism?

The parathyroid gland secretes parathyroid hormone and calcitonin.

Where does glycogenesis occur?

The calorigenic effect of the thyroid hormones is a _____________________ producing effect.

Which of the following is NOT characteristic of Graves' disease?

Which statement provides a characteristic of a goitre?

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

Amino acids can be converted to glucose, whereas fatty acids cannot.

Which of the following hormones targets osteoclasts when blood calcium levels are too low, thus causing an increase in the concentration of calcium in the blood?

The absorptive state is directed by an increase in insulin secretion.

Plasma phosphate concentration is not as tightly controlled as plasma calcium concentration.

Which of these actions is performed by insulin?

Cortisol is secreted by the zona glomerulosa, aldosterone by the zona fasciculata, and sex hormones by the zona reticularis.

In which of the following forms does Ca²⁺ exhibit profound effects on such things as neuromuscular excitability?

Which statement is NOT true for dehydroepiandrosterone?

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

Hyperthyroidism can be due to all of the following EXCEPT which one?

Which of these biochemical events does NOT take place during thyroid hormone synthesis?

The inner portion of the adrenal gland is the ____________________, which secretes hormones belonging to the _____________________ chemical class.

Which of these statements does NOT correctly describe adrenocortical hormones?

Which of the following conditions is characteristic of hypoparathyroidism?

The parathyroid gland secretes parathyroid hormone and calcitonin.

Where does glycogenesis occur?

The calorigenic effect of the thyroid hormones is a _____________________ producing effect.

Which of the following is NOT characteristic of Graves' disease?

Which statement provides a characteristic of a goitre?

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

Amino acids can be converted to glucose, whereas fatty acids cannot.

Which of the following hormones targets osteoclasts when blood calcium levels are too low, thus causing an increase in the concentration of calcium in the blood?

The absorptive state is directed by an increase in insulin secretion.

Plasma phosphate concentration is not as tightly controlled as plasma calcium concentration.

Which of these actions is performed by insulin?

Cortisol is secreted by the zona glomerulosa, aldosterone by the zona fasciculata, and sex hormones by the zona reticularis.

In which of the following forms does Ca2+ exhibit profound effects on such things as neuromuscular excitability?

Which statement is NOT true for dehydroepiandrosterone?

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

The inner portion of the adrenal gland is the , which secretes hormones belonging to the _ chemical class.

In which of the following forms does Ca²⁺ exhibit profound effects on such things as neuromuscular excitability?