Question 1

During stress,

Accepted Answer

A) Insulin secretion is stimulated and glucagon secretion is inhibited 
B) Hormones that decrease salt and water excretion are secreted 
C) Prolactin and growth hormone are co-secreted from the anterior pituitary with ACTH 
D) Both insulin secretion is stimulated and glucagon secretion is inhibited and hormones that decrease salt and water excretion are secreted occur 
E) Both hormones that decrease salt and water excretion are secreted and prolactin and growth hormone are co-secreted from the anterior pituitary with ACTH occur 
A) Insulin secretion is stimulated and glucagon secretion is inhibited 
B) Hormones that decrease salt and water excretion are secreted 
C) Prolactin and growth hormone are co-secreted from the anterior pituitary with ACTH 
D) Both insulin secretion is stimulated and glucagon secretion is inhibited and hormones that decrease salt and water excretion are secreted occur 
E) Both hormones that decrease salt and water excretion are secreted and prolactin and growth hormone are co-secreted from the anterior pituitary with ACTH occur B

Question 2

Most molecules of thyroxine and thyrotropin in blood are bound to proteins.

Accepted Answer

A) True 
 B)False  False

Question 3

The major hormone responsible for mediating the body's response to stress is

Accepted Answer

A) Thyroid hormone 
B) Growth hormone 
C) Testosterone 
D) Aldosterone 
E) Cortisol 
A) Thyroid hormone 
B) Growth hormone 
C) Testosterone 
D) Aldosterone 
E) Cortisol E

Question 4

Hormones(,)

Accepted Answer

A) Are chemical regulators that are conveyed from one organ to another via the bloodstream 
B) In some cases, also function as local regulators and/or neurotransmitters 
C) In some cases, contain carbohydrates 
D) Both are chemical regulators that are conveyed from one organ to another via the bloodstream and, in some cases, also function as local regulators and/or neurotransmitters are correct 
E) All of the choices are correct 
A) Are chemical regulators that are conveyed from one organ to another via the bloodstream 
B) In some cases, also function as local regulators and/or neurotransmitters 
C) In some cases, contain carbohydrates 
D) Both are chemical regulators that are conveyed from one organ to another via the bloodstream and, in some cases, also function as local regulators and/or neurotransmitters are correct 
E) All of the choices are correct

Question 5

In cases where the plasma concentration of an ion or nutrient affects the secretion rate of a hormone,the affected hormone is a regulator of the homeostasis of that ion or nutrient.

Accepted Answer

A) True 
 B)False

Question 6

Secretion of hormones is controlled by

Accepted Answer

A) Concentration of mineral ions in the blood 
B) Neural input 
C) Tropic hormones 
D) Concentration of mineral ions in the blood and tropic hormones 
E) All of these things 
A) Concentration of mineral ions in the blood 
B) Neural input 
C) Tropic hormones 
D) Concentration of mineral ions in the blood and tropic hormones 
E) All of these things

Question 7

Hypertrophy of the adrenal cortex could result from

Accepted Answer

A) Excessively rapid clearance of cortisol from the circulation 
B) A tumor of the pituitary gland that secretes excessive amounts of ACTH 
C) Inactivation of enzymes that are required to synthesize corticosteroids 
D) Excessively rapid clearance of cortisol from the circulation and a tumor of the pituitary gland that secretes excessive amounts of ACTH 
E) All of the choices are correct 
A) Excessively rapid clearance of cortisol from the circulation 
B) A tumor of the pituitary gland that secretes excessive amounts of ACTH 
C) Inactivation of enzymes that are required to synthesize corticosteroids 
D) Excessively rapid clearance of cortisol from the circulation and a tumor of the pituitary gland that secretes excessive amounts of ACTH 
E) All of the choices are correct

Question 8

Receptors for steroid hormones

Accepted Answer

A) Are proteins in the nucleus and/or cytoplasm 
B) Undergo allosteric modulation when they bind to the hormone 
C) Regulate gene transcription 
D) Both are proteins in the nucleus and/or cytoplasm and regulate gene transcription are correct 
E) All of the choices are correct 
A) Are proteins in the nucleus and/or cytoplasm 
B) Undergo allosteric modulation when they bind to the hormone 
C) Regulate gene transcription 
D) Both are proteins in the nucleus and/or cytoplasm and regulate gene transcription are correct 
E) All of the choices are correct

Question 9

Which of the following statements about hormone synthesis is not correct?

Accepted Answer

A) Progesterone is a precursor of cortisol 
B) Progesterone is a precursor of mineralocorticoid(s) and glucocorticoid(s) 
C) Progesterone is a precursor for all steroid hormones 
D) Tryptophan is a precursor for thyroid hormones 
E) All of these are true statements 
A) Progesterone is a precursor of cortisol 
B) Progesterone is a precursor of mineralocorticoid(s) and glucocorticoid(s) 
C) Progesterone is a precursor for all steroid hormones 
D) Tryptophan is a precursor for thyroid hormones 
E) All of these are true statements

Question 10

Carlos and Sally each have a routine physical examination that includes measurement of thyroid hormone levels in their plasma $$\begin{array} { | l | l | l | } 
\hline & \text { Total Bound } & \
\hline & \text { Plasma TH } & \text { Plasma TH } \
\hline \text { Carlos } & 8 \mu \mathrm { g } / \mathrm { dL } & 7.998 \mu g/ \mathrm { dL } \
\hline \text { Sally } & 12 \mu \mathrm { g } / \mathrm { dL } & 11.998 \mu \mathrm { g } / \mathrm { dL } \
\hline \hline
\end{array}$$ Sally has no symptoms of thyroid problems.Therefore,

Accepted Answer

A) Carlos probably has symptoms of hypothyroidism 
B) Carlos probably has symptoms of hyperthyroidism 
C) Carlos probably has no symptoms of thyroid problems 
D) Sally probably has a goiter 
A) Carlos probably has symptoms of hypothyroidism 
B) Carlos probably has symptoms of hyperthyroidism 
C) Carlos probably has no symptoms of thyroid problems 
D) Sally probably has a goiter

Question 11

In cases in which one adrenal cortex is destroyed,the other gland undergoes what is called compensatory hypertrophy.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following hormones is not secreted by the anterior pituitary gland?

Accepted Answer

A) Somatotropin 
B) Prolactin 
C) Corticotropin 
D) Erythropoietin 
E) TSH 
A) Somatotropin 
B) Prolactin 
C) Corticotropin 
D) Erythropoietin 
E) TSH

Question 13

An endocrine cell that contains an abundance of granular endoplasmic reticulum,a large Golgi apparatus,and secretion granules is likely to secrete a peptide hormone.

Accepted Answer

A) True 
 B)False

Question 14

The primary function of thyrotropin is to stimulate secretion of thyroid hormones.

Accepted Answer

A) True 
 B)False

Question 15

Examples of long-loop negative feedback include

Accepted Answer

A) The stimulation of dopamine release by prolactin 
B) Inhibition of GHRH release by GH 
C) Inhibition of GHRH release by IGF-I 
D) The stimulation of dopamine release by prolactin and inhibition of GHRH release by GH 
E) Inhibition of GHRH release by GH and inhibition of GHRH release by IGF-I 
A) The stimulation of dopamine release by prolactin 
B) Inhibition of GHRH release by GH 
C) Inhibition of GHRH release by IGF-I 
D) The stimulation of dopamine release by prolactin and inhibition of GHRH release by GH 
E) Inhibition of GHRH release by GH and inhibition of GHRH release by IGF-I

Question 16

All other things being equal,the most damage to a child's growth and development would be caused by malnutrition during prenatal development.

Accepted Answer

A) True 
 B)False

Question 17

Estrogen in females and testosterone in males

Accepted Answer

A) Are responsible for the pubertal growth spurt 
B) Are responsible for epiphyseal plate closure 
C) Cause increased strength and mass of skeletal muscle 
D) Both are responsible for the pubertal growth spurt and are responsible for epiphyseal plate closure are correct 
E) All of the choices are correct 
A) Are responsible for the pubertal growth spurt 
B) Are responsible for epiphyseal plate closure 
C) Cause increased strength and mass of skeletal muscle 
D) Both are responsible for the pubertal growth spurt and are responsible for epiphyseal plate closure are correct 
E) All of the choices are correct

Question 18

Hypersecretion of growth hormone is most likely to result in

Accepted Answer

A) Acromegaly 
B) Dwarfism 
C) Decreased plasma concentration of IGF-I 
D) Acromegaly and decreased plasma concentration of IGF-I 
E) Dwarfism and decreased plasma concentration of IGF-I 
A) Acromegaly 
B) Dwarfism 
C) Decreased plasma concentration of IGF-I 
D) Acromegaly and decreased plasma concentration of IGF-I 
E) Dwarfism and decreased plasma concentration of IGF-I

Question 19

In bone,osteoblasts secrete a protein matrix upon which calcium salts are deposited.

Accepted Answer

A) True 
 B)False

Question 20

Steroid hormones are stored in the cells that synthesize them until a stimulus is received that provokes their secretion.

Accepted Answer

A) True 
 B)False

During stress,

Most molecules of thyroxine and thyrotropin in blood are bound to proteins.

The major hormone responsible for mediating the body's response to stress is

Hormones(,)

In cases where the plasma concentration of an ion or nutrient affects the secretion rate of a hormone,the affected hormone is a regulator of the homeostasis of that ion or nutrient.

Secretion of hormones is controlled by

Hypertrophy of the adrenal cortex could result from

Receptors for steroid hormones

Which of the following statements about hormone synthesis is not correct?

Carlos and Sally each have a routine physical examination that includes measurement of thyroid hormone levels in their plasma Total Bound Plasma TH Plasma TH Carlos 8\mu/ 7.998\mug/ Sally 12\mu/ 11.998\mu/ Sally has no symptoms of thyroid problems.Therefore,

In cases in which one adrenal cortex is destroyed,the other gland undergoes what is called compensatory hypertrophy.

Which of the following hormones is not secreted by the anterior pituitary gland?

An endocrine cell that contains an abundance of granular endoplasmic reticulum,a large Golgi apparatus,and secretion granules is likely to secrete a peptide hormone.

The primary function of thyrotropin is to stimulate secretion of thyroid hormones.

Examples of long-loop negative feedback include

All other things being equal,the most damage to a child's growth and development would be caused by malnutrition during prenatal development.

Estrogen in females and testosterone in males

Hypersecretion of growth hormone is most likely to result in

In bone,osteoblasts secrete a protein matrix upon which calcium salts are deposited.

Steroid hormones are stored in the cells that synthesize them until a stimulus is received that provokes their secretion.

Homeostasis: a Framework for Human Physiology

Chemical Composition of the Body

Cellular Structure, Proteins, and Metabolism

Movement of Molecules Across Cell Membranes

Control of Cells by Chemical Messengers

Neuronal Signaling and the Structure of the Nervous System

Sensory Physiology

Consciousness, the Brain, and Behavior

Muscle

Control of Body Movement

Cardiovascular Physiology

Respiratory Physiology

The Kidneys and Regulation of Water and Inorganic Ions

The Digestion and Absorption of Food

Regulation of Organic Metabolism and Energy Balance

Reproduction

The Immune System

Medical Physiology: Integration Using Clinical Cases

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Exam 11: The Endocrine System

During stress,

Most molecules of thyroxine and thyrotropin in blood are bound to proteins.

The major hormone responsible for mediating the body's response to stress is

Hormones(,)

In cases where the plasma concentration of an ion or nutrient affects the secretion rate of a hormone,the affected hormone is a regulator of the homeostasis of that ion or nutrient.

Secretion of hormones is controlled by

Hypertrophy of the adrenal cortex could result from

Receptors for steroid hormones

Which of the following statements about hormone synthesis is not correct?

Carlos and Sally each have a routine physical examination that includes measurement of thyroid hormone levels in their plasma Total Bound Plasma TH Plasma TH Carlos 8\mu/ 7.998\mug/ Sally 12\mu/ 11.998\mu/ Sally has no symptoms of thyroid problems.Therefore,

In cases in which one adrenal cortex is destroyed,the other gland undergoes what is called compensatory hypertrophy.

Which of the following hormones is not secreted by the anterior pituitary gland?

An endocrine cell that contains an abundance of granular endoplasmic reticulum,a large Golgi apparatus,and secretion granules is likely to secrete a peptide hormone.

The primary function of thyrotropin is to stimulate secretion of thyroid hormones.

Examples of long-loop negative feedback include

All other things being equal,the most damage to a child's growth and development would be caused by malnutrition during prenatal development.

Estrogen in females and testosterone in males

Hypersecretion of growth hormone is most likely to result in

In bone,osteoblasts secrete a protein matrix upon which calcium salts are deposited.

Steroid hormones are stored in the cells that synthesize them until a stimulus is received that provokes their secretion.

Homeostasis: a Framework for Human Physiology

Chemical Composition of the Body

Cellular Structure, Proteins, and Metabolism

Movement of Molecules Across Cell Membranes

Control of Cells by Chemical Messengers

Neuronal Signaling and the Structure of the Nervous System

Sensory Physiology

Consciousness, the Brain, and Behavior

Muscle

Control of Body Movement

Cardiovascular Physiology

Respiratory Physiology

The Kidneys and Regulation of Water and Inorganic Ions

The Digestion and Absorption of Food

Regulation of Organic Metabolism and Energy Balance

Reproduction

The Immune System

Medical Physiology: Integration Using Clinical Cases

Filters