Question 1

Which statement does NOT correctly describe IGF?

Accepted Answer

A) The concentration of IGF-1 in the blood plasma normally mimics the rate of secretion of GH. 
B) Fasting decreases IGF-1 levels even though it increases GH secretion. 
C)  IGF-II, which is important during fetal development, is also influenced by GH. 
D)  Glycogen synthesis is decreased by GH through IGF. 
A) The concentration of IGF-1 in the blood plasma normally mimics the rate of secretion of GH. 
B) Fasting decreases IGF-1 levels even though it increases GH secretion. 
C)  IGF-II, which is important during fetal development, is also influenced by GH. 
D)  Glycogen synthesis is decreased by GH through IGF.

Question 2

Which of the following statements correctly describes amines?

Accepted Answer

A) They consist of a chain of specific amino acids of varying length. 
B) They are derived from alanine. 
C)  They include the hormones secreted by the thyroid gland and the adrenal medulla. 
D)  They are derived from tyrosine. 
A) They consist of a chain of specific amino acids of varying length. 
B) They are derived from alanine. 
C)  They include the hormones secreted by the thyroid gland and the adrenal medulla. 
D)  They are derived from tyrosine.

Question 3

The role of MSH in humans is well understood.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following statements correctly describes hormones?

Accepted Answer

A) They are released from exocrine glands. 
B) They interact with receptors at target-cell sites. 
C)  They are synthesized in the lymph nodes. 
D)  They interact with receptors in the blood. 
A) They are released from exocrine glands. 
B) They interact with receptors at target-cell sites. 
C)  They are synthesized in the lymph nodes. 
D)  They interact with receptors in the blood.

Question 5

One target cell receptor may bind with more than one type of hormone.

Accepted Answer

A) True 
 B)False

Question 6

Dwarfism may be due to growth hormone deficiency in adults.

Accepted Answer

A) True 
 B)False

Question 7

Match the hormones, labelled a. through f., with their activities. (Options may be used more than once or not at all.)
a.vasopressin
b.oxytocin
c.TSH
d.ACTH
e.growth hormone
f.GnRH
-stimulates somatomedin secretion by the liver

Accepted Answer

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

Question 8

Match posterior and anterior pituitary, labelled a. through c., with their features. (Options may be used more than once or not at all.)
a. applies to the posterior pituitary
b. applies to the anterior pituitary
c. applies to both the posterior and the anterior pituitary
-neurally connected to the hypothalamus

Accepted Answer

The answer of Match posterior and anterior pituitary, labelled a....

Question 9

Which of the following statements correctly describes endocrine glands?

Accepted Answer

A) They produce hormones into the ducts. 
B) They act locally on nearby tissues. 
C)  They all can pass through the plasma membrane. 
D)  They are all controlled by the nervous system. 
A) They produce hormones into the ducts. 
B) They act locally on nearby tissues. 
C)  They all can pass through the plasma membrane. 
D)  They are all controlled by the nervous system.

Question 10

Match the solubility characteristics, labelled a. and b., with the classes of hormones. (Options may be used more than once or not at all.)
a.lipophilic (hydrophobic)
b.hydrophilic (lipophobic)
-thyroid hormone

Accepted Answer

The answer of Match the solubility characteristics, labelled a. and...

Question 11

Hyperplasia is an increase in the number of ____________________ in a structure.

Accepted Answer

The answer of Hyperplasia is an increase in the number...

Question 12

Match the hormones, labelled a. through f., with their activities. (Options may be used more than once or not at all.)
a.vasopressin
b.oxytocin
c.TSH
d.ACTH
e.growth hormone
f.GnRH
-stimulates uterine contractions

Accepted Answer

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

Question 13

Which of the following statements correctly describes the hypothalamic-hypophyseal portal system?

Accepted Answer

A) It carries anterior pituitary hormones from the anterior pituitary gland to the hypothalamus to regulate the release of hypophysiotropic hormones. 
B) It diverts blood directly to the pituitary, completely bypassing the hypothalamus. 
C)  It carries hypophysiotropic hormones from the hypothalamus to the anterior pituitary to regulate anterior pituitary hormone secretion. 
D)  It carries the anterior pituitary hormones into the general systemic circulation. 
A) It carries anterior pituitary hormones from the anterior pituitary gland to the hypothalamus to regulate the release of hypophysiotropic hormones. 
B) It diverts blood directly to the pituitary, completely bypassing the hypothalamus. 
C)  It carries hypophysiotropic hormones from the hypothalamus to the anterior pituitary to regulate anterior pituitary hormone secretion. 
D)  It carries the anterior pituitary hormones into the general systemic circulation.

Question 14

Most endocrine control systems involve ____________________ and hormonal components.

Accepted Answer

The answer of Most endocrine control systems involve ____________________ and...

Question 15

Match the systems, labelled a. through c. with their characteristics. (Options may be used more than once or not at all.)
a.the endocrine system
b.the nervous system
c.both the endocrine and nervous systems
-Specificity is dependent on specificity of target-cell receptors.

Accepted Answer

The answer of Match the systems, labelled a. through c....

Question 16

Hyposecretion of an endocrine gland may have a genetic basis.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following statements correctly describes melanocyte-stimulating hormones?

Accepted Answer

A) They are secreted by the hypothalamus. 
B) They are known to cause skin darkening in certain lower vertebrates. 
C)  They are believed to be responsible for the tanning phenomenon in humans. 
D)  They are responsible for circadian rhythm. 
A) They are secreted by the hypothalamus. 
B) They are known to cause skin darkening in certain lower vertebrates. 
C)  They are believed to be responsible for the tanning phenomenon in humans. 
D)  They are responsible for circadian rhythm.

Question 18

Match the solubility characteristics, labelled a. and b., with the classes of hormones. (Options may be used more than once or not at all.)
a.lipophilic (hydrophobic)
b.hydrophilic (lipophobic)
-steroids

Accepted Answer

The answer of Match the solubility characteristics, labelled a. and...

Question 19

The hypothalamus is the highest integrative centre in the hierarchical chain of command in endocrine control.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following substances is the most common second messenger used by hydrophilic hormones?

Accepted Answer

A) calcium 
B) cyclic AMP 
C)  chromatin 
D)  messenger RNA 
A) calcium 
B) cyclic AMP 
C)  chromatin 
D)  messenger RNA

Which statement does NOT correctly describe IGF?

Which of the following statements correctly describes amines?

The role of MSH in humans is well understood.

Which of the following statements correctly describes hormones?

One target cell receptor may bind with more than one type of hormone.

Dwarfism may be due to growth hormone deficiency in adults.

Match the hormones, labelled a. through f., with their activities. (Options may be used more than once or not at all.) a.vasopressin b.oxytocin c.TSH d.ACTH e.growth hormone f.GnRH -stimulates somatomedin secretion by the liver

Which of the following statements correctly describes endocrine glands?

Match the solubility characteristics, labelled a. and b., with the classes of hormones. (Options may be used more than once or not at all.) a.lipophilic (hydrophobic) b.hydrophilic (lipophobic) -thyroid hormone

Hyperplasia is an increase in the number of ____________________ in a structure.

Match the hormones, labelled a. through f., with their activities. (Options may be used more than once or not at all.) a.vasopressin b.oxytocin c.TSH d.ACTH e.growth hormone f.GnRH -stimulates uterine contractions

Which of the following statements correctly describes the hypothalamic-hypophyseal portal system?

Most endocrine control systems involve ____________________ and hormonal components.

Match the systems, labelled a. through c. with their characteristics. (Options may be used more than once or not at all.) a.the endocrine system b.the nervous system c.both the endocrine and nervous systems -Specificity is dependent on specificity of target-cell receptors.

Hyposecretion of an endocrine gland may have a genetic basis.

Which of the following statements correctly describes melanocyte-stimulating hormones?

Match the solubility characteristics, labelled a. and b., with the classes of hormones. (Options may be used more than once or not at all.) a.lipophilic (hydrophobic) b.hydrophilic (lipophobic) -steroids

The hypothalamus is the highest integrative centre in the hierarchical chain of command in endocrine control.

Which of the following substances is the most common second messenger used by hydrophilic hormones?

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

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

The Digestive System

Energy Balance and Temperature Regulation

Filters

Exam 5: The Central Nervous System

Which statement does NOT correctly describe IGF?

Which of the following statements correctly describes amines?

The role of MSH in humans is well understood.

Which of the following statements correctly describes hormones?

One target cell receptor may bind with more than one type of hormone.

Dwarfism may be due to growth hormone deficiency in adults.

Match the hormones, labelled a. through f., with their activities. (Options may be used more than once or not at all.) a.vasopressin b.oxytocin c.TSH d.ACTH e.growth hormone f.GnRH -stimulates somatomedin secretion by the liver

Which of the following statements correctly describes endocrine glands?

Match the solubility characteristics, labelled a. and b., with the classes of hormones. (Options may be used more than once or not at all.) a.lipophilic (hydrophobic) b.hydrophilic (lipophobic) -thyroid hormone

Hyperplasia is an increase in the number of ____________________ in a structure.

Match the hormones, labelled a. through f., with their activities. (Options may be used more than once or not at all.) a.vasopressin b.oxytocin c.TSH d.ACTH e.growth hormone f.GnRH -stimulates uterine contractions

Which of the following statements correctly describes the hypothalamic-hypophyseal portal system?

Most endocrine control systems involve ____________________ and hormonal components.

Match the systems, labelled a. through c. with their characteristics. (Options may be used more than once or not at all.) a.the endocrine system b.the nervous system c.both the endocrine and nervous systems -Specificity is dependent on specificity of target-cell receptors.

Hyposecretion of an endocrine gland may have a genetic basis.

Which of the following statements correctly describes melanocyte-stimulating hormones?

Match the solubility characteristics, labelled a. and b., with the classes of hormones. (Options may be used more than once or not at all.) a.lipophilic (hydrophobic) b.hydrophilic (lipophobic) -steroids

The hypothalamus is the highest integrative centre in the hierarchical chain of command in endocrine control.

Which of the following substances is the most common second messenger used by hydrophilic hormones?

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

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

The Digestive System

Energy Balance and Temperature Regulation

Filters