Question 1

The hypothalamus,anterior pituitary gland,and the various target glands control the functions of each other,so there is no "master gland."

Accepted Answer

A) True 
 B)False

Question 2

Adenohypophyseal function is regulated by the hypothalamus.

Accepted Answer

A) True 
 B)False

Question 3

A chronically high hormone concentration often leads to an increased receptor number.

Accepted Answer

A) True 
 B)False

Question 4

In the phospholipase C mechanism,most of the increased intracellular calcium comes from

Accepted Answer

A) outside the cell. 
B) within the plasma membrane. 
C) the endoplasmic reticulum. 
D) extracellular fluiD. 
A) outside the cell. 
B) within the plasma membrane. 
C) the endoplasmic reticulum. 
D) extracellular fluiD.

Question 5

Most polypeptide and protein hormones are synthesized as prohormones.

Accepted Answer

A) True 
 B)False

Question 6

A(n)_____________ is an abnormal growth of the thyroid gland due to an iodine deficiency.

Accepted Answer

A) tumor 
B) goiter 
C) abscss 
D) keloid 
A) tumor 
B) goiter 
C) abscss 
D) keloid

Question 7

Carrier proteins would be required by

Accepted Answer

A) aldosterone. 
B) cholecystokinin. 
C) follicle stimulating hormone. 
D) prolactin. 
A) aldosterone. 
B) cholecystokinin. 
C) follicle stimulating hormone. 
D) prolactin.

Question 8

The neurons from the hypothalamus secrete chemicals called neurohormones.

Accepted Answer

A) True 
 B)False

Question 9

The vascular link between the hypothalamus and the __________ is called the hypothalamo-hypophyseal portal system.

Accepted Answer

A) posterior pituitary 
B) anterior pituitary 
C) pineal gland 
D) thalamus 
A) posterior pituitary 
B) anterior pituitary 
C) pineal gland 
D) thalamus

Question 10

What hormone(s)is/are released when blood glucose levels decrease?

Accepted Answer

A) insulin 
B) glucagon 
C) glucocorticoids 
D) both glucagon and glucocorticoids 
A) insulin 
B) glucagon 
C) glucocorticoids 
D) both glucagon and glucocorticoids

Question 11

What is the function of antidiuretic hormone (ADH)?

Accepted Answer

A) stimulates loss of water by the kidneys 
B) causes large urine volume 
C) causes a darkening of the skin 
D) stimulates retention of water by the kidneys 
A) stimulates loss of water by the kidneys 
B) causes large urine volume 
C) causes a darkening of the skin 
D) stimulates retention of water by the kidneys

Question 12

Lipophilic hormones and thyroid hormone are transported to their target cells free in the plasma.

Accepted Answer

A) True 
 B)False

Question 13

What are the carrier proteins for glucose diffusion into cells?

Accepted Answer

A) insulin 
B) GLUT4 
C) GLUT2 
D) glucagon 
A) insulin 
B) GLUT4 
C) GLUT2 
D) glucagon

Question 14

Which of the following is the most senior precursor molecule?

Accepted Answer

A) a prehormone 
B) a prohormone 
C) a hormone 
D) a hormone receptor 
A) a prehormone 
B) a prohormone 
C) a hormone 
D) a hormone receptor

Question 15

Protein kinase catalyzes the ___________ of other enzymes in the cytoplasm.

Accepted Answer

A) hydrolysis 
B) phosphorylation 
C) synthesis 
D) decarboxylation 
A) hydrolysis 
B) phosphorylation 
C) synthesis 
D) decarboxylation

Question 16

What is the function of the hypothalamo-hypophyseal tract?

Accepted Answer

A) transports releasing hormones from the hypothalamus to the anterior pituitary 
B) transports nerve impulse from the hypothalamus to the anterior pituitary 
C) transports hormones and nerve impulses from the hypothalamus to the posterior pituitary 
D) All apply. 
A) transports releasing hormones from the hypothalamus to the anterior pituitary 
B) transports nerve impulse from the hypothalamus to the anterior pituitary 
C) transports hormones and nerve impulses from the hypothalamus to the posterior pituitary 
D) All apply.

Question 17

Responsiveness of cells to hormones is determined by the presence or absence of specific hormone receptor proteins.

Accepted Answer

A) True 
 B)False

Question 18

Small amounts of a polypeptide or glycoprotein hormone may cause

Accepted Answer

A) upregulation of receptors. 
B) increased numbers of receptors placed in the plasma membrane. 
C) the priming effect. 
D) All apply. 
A) upregulation of receptors. 
B) increased numbers of receptors placed in the plasma membrane. 
C) the priming effect. 
D) All apply.

Question 19

Which of the following is NOT an action of aldosterone secretion?

Accepted Answer

A) raises blood glucose levels 
B) stimulates kidneys to retain Na+ 
C) causes loss of K+ in urine 
D) an increase in blood volume and pressure 
A) raises blood glucose levels 
B) stimulates kidneys to retain Na+ 
C) causes loss of K+ in urine 
D) an increase in blood volume and pressure

Question 20

What is the precursor molecule for the three types of adrenal cortex hormones

Accepted Answer

A) vitamin A 
B) vitamin K 
C) adenosine 
D) cholesterol 
A) vitamin A 
B) vitamin K 
C) adenosine 
D) cholesterol

The hypothalamus,anterior pituitary gland,and the various target glands control the functions of each other,so there is no "master gland."

Adenohypophyseal function is regulated by the hypothalamus.

A chronically high hormone concentration often leads to an increased receptor number.

In the phospholipase C mechanism,most of the increased intracellular calcium comes from

Most polypeptide and protein hormones are synthesized as prohormones.

A(n)_____________ is an abnormal growth of the thyroid gland due to an iodine deficiency.

Carrier proteins would be required by

The neurons from the hypothalamus secrete chemicals called neurohormones.

The vascular link between the hypothalamus and the __________ is called the hypothalamo-hypophyseal portal system.

What hormone(s)is/are released when blood glucose levels decrease?

What is the function of antidiuretic hormone (ADH)?

Lipophilic hormones and thyroid hormone are transported to their target cells free in the plasma.

What are the carrier proteins for glucose diffusion into cells?

Which of the following is the most senior precursor molecule?

Protein kinase catalyzes the ___________ of other enzymes in the cytoplasm.

What is the function of the hypothalamo-hypophyseal tract?

Responsiveness of cells to hormones is determined by the presence or absence of specific hormone receptor proteins.

Small amounts of a polypeptide or glycoprotein hormone may cause

Which of the following is NOT an action of aldosterone secretion?

What is the precursor molecule for the three types of adrenal cortex hormones

The Study of Body Function

Chemical Composition of the Body

Cell Structure and Genetic Control

Enzymes and Energy

Cell Respiration and Metabolism

Interactions Between Cells and the Extracellular Environment

The Nervous System: Neurons and Synapses

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Muscle: Mechanisms of Contraction and Neural Control

Blood,Heart and Circulation

Cardiac Output,Blood Flow,and Blood Pressure

The Immune System

Respiratory Physiology

Physiology of the Kidneys

The Digestive System

Regulation and Metabolism

Reproduction

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Exam 11: Endocrine Glands: Secretion and Action of Hormones

The hypothalamus,anterior pituitary gland,and the various target glands control the functions of each other,so there is no "master gland."

Adenohypophyseal function is regulated by the hypothalamus.

A chronically high hormone concentration often leads to an increased receptor number.

In the phospholipase C mechanism,most of the increased intracellular calcium comes from

Most polypeptide and protein hormones are synthesized as prohormones.

A(n)_____________ is an abnormal growth of the thyroid gland due to an iodine deficiency.

Carrier proteins would be required by

The neurons from the hypothalamus secrete chemicals called neurohormones.

The vascular link between the hypothalamus and the __________ is called the hypothalamo-hypophyseal portal system.

What hormone(s)is/are released when blood glucose levels decrease?

What is the function of antidiuretic hormone (ADH)?

Lipophilic hormones and thyroid hormone are transported to their target cells free in the plasma.

What are the carrier proteins for glucose diffusion into cells?

Which of the following is the most senior precursor molecule?

Protein kinase catalyzes the ___________ of other enzymes in the cytoplasm.

What is the function of the hypothalamo-hypophyseal tract?

Responsiveness of cells to hormones is determined by the presence or absence of specific hormone receptor proteins.

Small amounts of a polypeptide or glycoprotein hormone may cause

Which of the following is NOT an action of aldosterone secretion?

What is the precursor molecule for the three types of adrenal cortex hormones

The Study of Body Function

Chemical Composition of the Body

Cell Structure and Genetic Control

Enzymes and Energy

Cell Respiration and Metabolism

Interactions Between Cells and the Extracellular Environment

The Nervous System: Neurons and Synapses

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Muscle: Mechanisms of Contraction and Neural Control

Blood,Heart and Circulation

Cardiac Output,Blood Flow,and Blood Pressure

The Immune System

Respiratory Physiology

Physiology of the Kidneys

The Digestive System

Regulation and Metabolism

Reproduction

Filters