Question 1

The action of thyroid hormone on a target cell involves all these steps except one.Identify the incorrect step.

Accepted Answer

A) binding to a hormone receptor in the plasma membrane 
B) specific transport into the target cell 
C) binding to a cytoplasmic receptor protein 
D) activation of a specific gene 
E) activation of mitochondria 
A) binding to a hormone receptor in the plasma membrane 
B) specific transport into the target cell 
C) binding to a cytoplasmic receptor protein 
D) activation of a specific gene 
E) activation of mitochondria A

Question 2

The intracellular protein ________ binds calcium ion.This complex can then activate enzymes.

Accepted Answer

calmodulin

Question 3

A hormone that helps to regulate the sodium ion content of the body is

Accepted Answer

A) cortisol. 
B) parathormone. 
C) thymosin. 
D) somatotropin. 
E) aldosterone. 
A) cortisol. 
B) parathormone. 
C) thymosin. 
D) somatotropin. 
E) aldosterone. E

Question 4

The inner portion of the suprarenal gland is the ________.

Accepted Answer

The answer of The inner portion of the suprarenal gland...

Question 5

Inadequate iodine in the diet may lead to

Accepted Answer

A) hypothyroidism. 
B) cretinism. 
C) myxedema. 
D) high blood levels of TSH. 
E) All of the answers are correct. 
A) hypothyroidism. 
B) cretinism. 
C) myxedema. 
D) high blood levels of TSH. 
E) All of the answers are correct.

Question 6

All of the following are true of the nervous system,except that it doesn't

Accepted Answer

A) respond rapidly to stimuli. 
B) respond specifically to stimuli. 
C) communicate by the release of neurotransmitters. 
D) respond with motor output. 
E) function independently of the endocrine system. 
A) respond rapidly to stimuli. 
B) respond specifically to stimuli. 
C) communicate by the release of neurotransmitters. 
D) respond with motor output. 
E) function independently of the endocrine system.

Question 7

Which of the following hormones stimulates skeletal muscle fibers to take in glucose from the blood?

Accepted Answer

A) calcitonin 
B) cortisol 
C) insulin 
D) glucagon 
E) parathyroid hormone 
A) calcitonin 
B) cortisol 
C) insulin 
D) glucagon 
E) parathyroid hormone

Question 8

The pituitary hormone that stimulates cell growth and replication by accelerating protein synthesis is

Accepted Answer

A) ACTH. 
B) MSH. 
C) prolactin. 
D) insulin. 
E) somatotropin. 
A) ACTH. 
B) MSH. 
C) prolactin. 
D) insulin. 
E) somatotropin.

Question 9

The pancreatic islets (islets of Langerhans)

Accepted Answer

A) contain four types of endocrine cells. 
B) make up almost half of the pancreas. 
C) produce some digestive enzymes. 
D) secrete hormones into the pancreatic duct. 
E) secrete hormones to regulate blood-calcium levels. 
A) contain four types of endocrine cells. 
B) make up almost half of the pancreas. 
C) produce some digestive enzymes. 
D) secrete hormones into the pancreatic duct. 
E) secrete hormones to regulate blood-calcium levels.

Question 10

The condition known as seasonal affective disorder (SAD)may be caused by

Accepted Answer

A) increased levels of melanin. 
B) increased levels of melatonin. 
C) increased levels of melanocyte-stimulating hormone. 
D) increased levels of gonadotrophins. 
E) decreased levels of testosterone. 
A) increased levels of melanin. 
B) increased levels of melatonin. 
C) increased levels of melanocyte-stimulating hormone. 
D) increased levels of gonadotrophins. 
E) decreased levels of testosterone.

Question 11

The beta cells of the pancreatic islets produce

Accepted Answer

A) insulin. 
B) glucagon. 
C) somatostatin. 
D) cortisol. 
E) peptide P. 
A) insulin. 
B) glucagon. 
C) somatostatin. 
D) cortisol. 
E) peptide P.

Question 12

The control of calcitonin excretion is an example of direct ________ regulation.

Accepted Answer

A) endocrine 
B) pancreatic 
C) homeostatic 
D) hepatic 
E) vascular 
A) endocrine 
B) pancreatic 
C) homeostatic 
D) hepatic 
E) vascular

Question 13

Alpha cells are to ________ as beta cells are to ________.

Accepted Answer

A) glucagon; insulin 
B) somatostatin; insulin 
C) insulin; glucagon 
D) glucagon; somatostatin 
E) pancreatic polypeptide; insulin 
A) glucagon; insulin 
B) somatostatin; insulin 
C) insulin; glucagon 
D) glucagon; somatostatin 
E) pancreatic polypeptide; insulin

Question 14

A rise in angiotensin II levels would result in all of the following,except

Accepted Answer

A) elevated blood pressure. 
B) increased retention of sodium ions at the kidney. 
C) increased water retention. 
D) increased urine production. 
E) increased blood volume. 
A) elevated blood pressure. 
B) increased retention of sodium ions at the kidney. 
C) increased water retention. 
D) increased urine production. 
E) increased blood volume.

Question 15

When one hormone is needed for a second hormone to produce an effect,it is called ________.

Accepted Answer

The answer of When one hormone is needed for a...

Question 16

Increased aggressive and assertive behavior is associated with an increase in which of these hormones?

Accepted Answer

A) somatostatin 
B) thyroxine 
C) growth hormone 
D) sex hormones 
E) insulin 
A) somatostatin 
B) thyroxine 
C) growth hormone 
D) sex hormones 
E) insulin

Question 17

A rise in cortisol would cause an increase in each of the following,except

Accepted Answer

A) the rate of glucose synthesis by the liver. 
B) the rate of glycogen formation by the liver. 
C) the level of fatty acids in the blood. 
D) fatty acid metabolism by muscle cells. 
E) ACTH levels. 
A) the rate of glucose synthesis by the liver. 
B) the rate of glycogen formation by the liver. 
C) the level of fatty acids in the blood. 
D) fatty acid metabolism by muscle cells. 
E) ACTH levels.

Question 18

The thyroid gland is composed of many ________ that produce and store thyroid hormone.

Accepted Answer

The answer of The thyroid gland is composed of many...

Question 19

Increased levels of the hormone ________ will lead to increased levels of calcium ion in the blood.

Accepted Answer

A) thymosin 
B) calcitonin 
C) PTH 
D) aldosterone 
E) cortisol 
A) thymosin 
B) calcitonin 
C) PTH 
D) aldosterone 
E) cortisol

Question 20

During the resistance phase of the general adaptation syndrome (GAS)

Accepted Answer

A) lipid reserves are mobilized. 
B) proteins are conserved. 
C) blood glucose levels fall drastically. 
D) levels of growth hormone decrease. 
E) levels of insulin decrease. 
A) lipid reserves are mobilized. 
B) proteins are conserved. 
C) blood glucose levels fall drastically. 
D) levels of growth hormone decrease. 
E) levels of insulin decrease.

Exam 18: The Endocrine System

The action of thyroid hormone on a target cell involves all these steps except one.Identify the incorrect step.

The intracellular protein ________ binds calcium ion.This complex can then activate enzymes.

A hormone that helps to regulate the sodium ion content of the body is

The inner portion of the suprarenal gland is the ________.

Inadequate iodine in the diet may lead to

All of the following are true of the nervous system,except that it doesn't

Which of the following hormones stimulates skeletal muscle fibers to take in glucose from the blood?

The pituitary hormone that stimulates cell growth and replication by accelerating protein synthesis is

The pancreatic islets (islets of Langerhans)

The condition known as seasonal affective disorder (SAD)may be caused by

The beta cells of the pancreatic islets produce

The control of calcitonin excretion is an example of direct ________ regulation.

Alpha cells are to ________ as beta cells are to ________.

A rise in angiotensin II levels would result in all of the following,except

When one hormone is needed for a second hormone to produce an effect,it is called ________.

Increased aggressive and assertive behavior is associated with an increase in which of these hormones?

A rise in cortisol would cause an increase in each of the following,except

The thyroid gland is composed of many ________ that produce and store thyroid hormone.

Increased levels of the hormone ________ will lead to increased levels of calcium ion in the blood.

During the resistance phase of the general adaptation syndrome (GAS)

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Articulations

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Neural Integration I: Sensory Pathways and the Somatic Nervous System

Neural Integration Ii: the Autonomic Nervous System and

The Special Senses

Blood

The Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

Fluid, electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

Filters

Alpha cells are to as beta cells are to .