Question 1

Plasma sodium levels are high in a patient, but his plasma potassium levels are low. What might you expect to find as an underlying cause of this condition?

Accepted Answer

A) decreased plasma aldosterone levels 
B) decreased plasma parathyroid hormone levels 
C)  increased plasma aldosterone levels 
D)  increased plasma parathyroid hormone levels 
A) decreased plasma aldosterone levels 
B) decreased plasma parathyroid hormone levels 
C)  increased plasma aldosterone levels 
D)  increased plasma parathyroid hormone levels

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

Which statement does NOT describe a goitre?

Accepted Answer

A) It may occur with hyper- and hypothyroidism. 
B) It refers to an enlarged thyroid gland. 
C)  It occurs only in the presence of thyroid-stimulating immunoglobulin. 
D)  It can be caused by iodine deficiency. 
A) It may occur with hyper- and hypothyroidism. 
B) It refers to an enlarged thyroid gland. 
C)  It occurs only in the presence of thyroid-stimulating immunoglobulin. 
D)  It can be caused by iodine deficiency.

Question 4

Which of these statements is correct with respect to thyroid hormone secretion?

Accepted Answer

A) The anterior pituitary controls daily regulation, while the hypothalamus controls long-term patterns of secretion. 
B) TSH causes TRH to be secreted, which in turn stimulates T3 and T4 release. 
C)  Thyroid hormone provides negative feedback to the hypothalamus. 
D)  Its control is primarily neural. 
A) The anterior pituitary controls daily regulation, while the hypothalamus controls long-term patterns of secretion. 
B) TSH causes TRH to be secreted, which in turn stimulates T3 and T4 release. 
C)  Thyroid hormone provides negative feedback to the hypothalamus. 
D)  Its control is primarily neural.

Question 5

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
-directly promotes Ca2+ absorption from the small intestine

Accepted Answer

Question 6

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
-iodine-containing tyrosine derivative

Accepted Answer

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

Question 7

In response to stress, the hypothalamus secretes _____________________, which ultimately results in cortisol secretion.

Accepted Answer

The answer of In response to stress, the hypothalamus secretes...

Question 8

The chemical reactions involving the three classes of energy-rich organic molecules are collectively known as _____________________.

Accepted Answer

intermedia

Question 9

Protein-bound Ca2+ is the form of calcium that is important in neuromuscular excitability.

Accepted Answer

A) True 
 B)False

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
-glucagon

Accepted Answer

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

Question 11

Which of these statements does NOT apply to parathyroid hormone?

Accepted Answer

A) It causes localized dissolution of bone. 
B) It conserves Ca2+ by the kidney. 
C)  It promotes urinary excretion of PO4. 
D)  It directly stimulates Ca2+ absorption from the intestine. 
A) It causes localized dissolution of bone. 
B) It conserves Ca2+ by the kidney. 
C)  It promotes urinary excretion of PO4. 
D)  It directly stimulates Ca2+ absorption from the intestine.

Question 12

PTH is the most important hormone in the control of calcium metabolism.

Accepted Answer

A) True 
 B)False

Question 13

Which of these statements does NOT apply to epinephrine?

Accepted Answer

A) It is secreted by the adrenal cortex. 
B) It is cosecreted with norepinephrine. 
C)  It reinforces sympathetic nervous system activity. 
D)  It has sympathomimetic action. 
A) It is secreted by the adrenal cortex. 
B) It is cosecreted with norepinephrine. 
C)  It reinforces sympathetic nervous system activity. 
D)  It has sympathomimetic action.

Question 14

Both calcitonin and PTH are produced in the follicle cells of the thyroid gland.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following is NOT an action of cortisol?

Accepted Answer

A) increasing the conversion of glycogen to glucose 
B) stimulating gluconeogenesis in the liver 
C)  increasing protein degradation 
D)  mobilizing fat from adipose tissue 
A) increasing the conversion of glycogen to glucose 
B) stimulating gluconeogenesis in the liver 
C)  increasing protein degradation 
D)  mobilizing fat from adipose tissue

Question 16

Which of the following does NOT stimulate insulin secretion?

Accepted Answer

A) elevated blood amino acid concentration 
B) gastrointestinal hormone 
C)  a fast-food hamburger 
D)  starvation 
A) elevated blood amino acid concentration 
B) gastrointestinal hormone 
C)  a fast-food hamburger 
D)  starvation

Plasma sodium levels are high in a patient, but his plasma potassium levels are low. What might you expect to find as an underlying cause of this condition?

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

Which statement does NOT describe a goitre?

Which of these statements is correct with respect to thyroid hormone secretion?

In response to stress, the hypothalamus secretes _____________________, which ultimately results in cortisol secretion.

The chemical reactions involving the three classes of energy-rich organic molecules are collectively known as _____________________.

Protein-bound Ca²⁺ is the form of calcium that is important in neuromuscular excitability.

Which of these statements does NOT apply to parathyroid hormone?

PTH is the most important hormone in the control of calcium metabolism.

Which of these statements does NOT apply to epinephrine?

Both calcitonin and PTH are produced in the follicle cells of the thyroid gland.

Which of the following is NOT an action of cortisol?

Which of the following does NOT stimulate insulin secretion?

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

Plasma sodium levels are high in a patient, but his plasma potassium levels are low. What might you expect to find as an underlying cause of this condition?

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

Which statement does NOT describe a goitre?

Which of these statements is correct with respect to thyroid hormone secretion?

In response to stress, the hypothalamus secretes _____________________, which ultimately results in cortisol secretion.

The chemical reactions involving the three classes of energy-rich organic molecules are collectively known as _____________________.

Protein-bound Ca2+ is the form of calcium that is important in neuromuscular excitability.

Which of these statements does NOT apply to parathyroid hormone?

PTH is the most important hormone in the control of calcium metabolism.

Which of these statements does NOT apply to epinephrine?

Both calcitonin and PTH are produced in the follicle cells of the thyroid gland.

Which of the following is NOT an action of cortisol?

Which of the following does NOT stimulate insulin secretion?

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

Protein-bound Ca²⁺ is the form of calcium that is important in neuromuscular excitability.