Question 1

Parathyroid hormone is the major regulator of the plasma concentration of which of the following ions?

Accepted Answer

A) Calcium 
B) Sodium 
C) Potassium 
D) Chloride 
E) Manganese 
A) Calcium 
B) Sodium 
C) Potassium 
D) Chloride 
E) Manganese A

Question 2

Which of the following is NOT a common characteristic of an exocrine gland?

Accepted Answer

A) Initially secretes its products into a duct. 
B) Secretes materials onto outer surface of the body. 
C) Secretes materials into the lumen of hollow organs. 
D) Its secretory products are carried in body fluids to distant target cells. 
E) All the answer selections describe characteristics of exocrine glands. 
A) Initially secretes its products into a duct. 
B) Secretes materials onto outer surface of the body. 
C) Secretes materials into the lumen of hollow organs. 
D) Its secretory products are carried in body fluids to distant target cells. 
E) All the answer selections describe characteristics of exocrine glands. D

Question 3

Which of the following is NOT a common response of the body to long-term stress?

Accepted Answer

A) Increased lipolysis 
B) Increased glycogenesis 
C) Increased gluconeogenesis 
D) Increased digestive activities 
E) Increased breakdown of proteins 
A) Increased lipolysis 
B) Increased glycogenesis 
C) Increased gluconeogenesis 
D) Increased digestive activities 
E) Increased breakdown of proteins D

Question 4

Explain the mechanism by which a deficiency of gonadotropin-releasing hormone (GnRh)will lead to infertility in both a male and a female.

Accepted Answer

GnRh stimulates gonadotrophs to produce

Question 5

An individual with a deficiency in fatty acid intake might have difficulty producing which type of hormones?

Accepted Answer

A) Amine hormones 
B) Peptide hormones 
C) Thyroid hormones 
D) Steroid hormones 
E) Eicosanoid hormones 
A) Amine hormones 
B) Peptide hormones 
C) Thyroid hormones 
D) Steroid hormones 
E) Eicosanoid hormones

Question 6

Enuresis,or bedwetting,may be caused by psychological,anatomical or physiological factors.In the latter case,vasopressin is often prescribed and is a very effective treatment.What is vasopressin? How can it prevent enuresis?

Accepted Answer

Vasopressin is also called antidiuretic

Question 7

Which endocrine gland stores its hormonal product for approximately 100 days?

Accepted Answer

A) parathyroid 
B) adrenal 
C) pituitary 
D) hypothalamus 
E) thyroid 
A) parathyroid 
B) adrenal 
C) pituitary 
D) hypothalamus 
E) thyroid

Question 8

Which of the following conditions could potentially result from hyposecretion of a hormone released by the portion of the marked gland in the diagram?

Accepted Answer

A) tetany 
B) acromegaly 
C) diabetes insipidus 
D) goiter 
E) Cushing's syndrome 
A) tetany 
B) acromegaly 
C) diabetes insipidus 
D) goiter 
E) Cushing's syndrome

Question 9

When one hormone opposes the action of another hormone,it is called a(n)

Accepted Answer

A) synergistic effect. 
B) permissive effect. 
C) antagonistic effect. 
D) circulating effect. 
E) local effect. 
A) synergistic effect. 
B) permissive effect. 
C) antagonistic effect. 
D) circulating effect. 
E) local effect.

Question 10

Which of the following anterior pituitary hormones stimulates the gonads to secrete progesterone and/or testosterone?

Accepted Answer

A) Luteinizing hormone 
B) TSH 
C) Corticotropin 
D) Melanocyte-stimulating hormone 
E) Growth hormone 
A) Luteinizing hormone 
B) TSH 
C) Corticotropin 
D) Melanocyte-stimulating hormone 
E) Growth hormone

Question 11

Which of the following hormones is produced by the cells marked in the thyroid follicle shown in the histology picture?

Accepted Answer

A) calcitonin 
B) vasopressin 
C) triiodothyronine (T3) 
D) antidiuretic hormone (ADH) 
E) calcitriol 
A) calcitonin 
B) vasopressin 
C) triiodothyronine (T3) 
D) antidiuretic hormone (ADH) 
E) calcitriol

Question 12

Human growth hormone is secreted by [dropdown 1] in the anterior pituitary gland,while follicle stimulating hormone is secreted by [dropdown 2] .
Dropdown 1choices:
corticotrophs
gonadotrophs
somatotrophs
thyrotrophs
Dropdown 2 choices:
corticotrophs
gonadotrophs
somatotrophs
thyrotrophs

Accepted Answer

1.somatotr

Question 13

Endocrine tissues that secrete steroid hormones are derived from

Accepted Answer

A) mesoderm. 
B) endoderm. 
C) ectoderm. 
D) a combination of two or more layers. 
E) none of the layers that are listed. 
A) mesoderm. 
B) endoderm. 
C) ectoderm. 
D) a combination of two or more layers. 
E) none of the layers that are listed.

Question 14

A condition characterized by excessive development of mammary glands in a male is called

Accepted Answer

A) acromegaly. 
B) pheochromocytoma. 
C) hirsutism. 
D) gynecomastia. 
E) myxedema. 
A) acromegaly. 
B) pheochromocytoma. 
C) hirsutism. 
D) gynecomastia. 
E) myxedema.

Question 15

Which of the labeled endocrine glands secretes steroid hormones in response to long-term stress?

Accepted Answer

A) D 
B) G 
C) H 
D) I 
E) F 
A) D 
B) G 
C) H 
D) I 
E) F

Question 16

Which blood glucose-lowering hormone is produced by the pancreatic islet cells?

Accepted Answer

A) Insulin 
B) Glucagon 
C) Somatostatin 
D) Thyroid hormones 
E) Calcitonin 
A) Insulin 
B) Glucagon 
C) Somatostatin 
D) Thyroid hormones 
E) Calcitonin

Question 17

Describe the role of the hypothalamus in the regulation of hormone release from the pituitary gland.

Accepted Answer

The hypothalamus is the integrating cent

Question 18

Since insulin released from the pancreas is carried in the bloodstream to distant target cells,like muscle cells,it is considered to be a(n)

Accepted Answer

A) local hormone. 
B) circulating hormone. 
C) paracrine. 
D) autocrine. 
E) neurotransmitter. 
A) local hormone. 
B) circulating hormone. 
C) paracrine. 
D) autocrine. 
E) neurotransmitter.

Question 19

Which of the following is an incorrect pairing of a body system and an endocrine contribution to that system?

Accepted Answer

A) Thyroid hormones promote normal development and growth of the skeleton. 
B) Erythropoietin regulates the amount of oxygen carried in blood by adjusting the number of red blood cells. 
C) Leptin enhances appetite. 
D) Glucocorticoids depress inflammation and immune responses. 
E) Epinephrine depresses the activity of the digestive system. 
A) Thyroid hormones promote normal development and growth of the skeleton. 
B) Erythropoietin regulates the amount of oxygen carried in blood by adjusting the number of red blood cells. 
C) Leptin enhances appetite. 
D) Glucocorticoids depress inflammation and immune responses. 
E) Epinephrine depresses the activity of the digestive system.

Question 20

The disorder shown in one of the identical twins seen in this figure is due to a hypersecretion of hormones by which endocrine gland?

Accepted Answer

A) Thyroid gland 
B) Pineal gland 
C) Parathyroid gland 
D) Pituitary gland 
E) Pancreas 
A) Thyroid gland 
B) Pineal gland 
C) Parathyroid gland 
D) Pituitary gland 
E) Pancreas

Exam 18: The Endocrine System

Parathyroid hormone is the major regulator of the plasma concentration of which of the following ions?

Which of the following is NOT a common characteristic of an exocrine gland?

Which of the following is NOT a common response of the body to long-term stress?

Explain the mechanism by which a deficiency of gonadotropin-releasing hormone (GnRh)will lead to infertility in both a male and a female.

An individual with a deficiency in fatty acid intake might have difficulty producing which type of hormones?

Enuresis,or bedwetting,may be caused by psychological,anatomical or physiological factors.In the latter case,vasopressin is often prescribed and is a very effective treatment.What is vasopressin? How can it prevent enuresis?

Which endocrine gland stores its hormonal product for approximately 100 days?

Which of the following conditions could potentially result from hyposecretion of a hormone released by the portion of the marked gland in the diagram?

When one hormone opposes the action of another hormone,it is called a(n)

Which of the following anterior pituitary hormones stimulates the gonads to secrete progesterone and/or testosterone?

Which of the following hormones is produced by the cells marked in the thyroid follicle shown in the histology picture?

Human growth hormone is secreted by [dropdown 1] in the anterior pituitary gland,while follicle stimulating hormone is secreted by [dropdown 2] . Dropdown 1choices: corticotrophs gonadotrophs somatotrophs thyrotrophs Dropdown 2 choices: corticotrophs gonadotrophs somatotrophs thyrotrophs

Endocrine tissues that secrete steroid hormones are derived from

A condition characterized by excessive development of mammary glands in a male is called

Which of the labeled endocrine glands secretes steroid hormones in response to long-term stress?

Which blood glucose-lowering hormone is produced by the pancreatic islet cells?

Describe the role of the hypothalamus in the regulation of hormone release from the pituitary gland.

Since insulin released from the pancreas is carried in the bloodstream to distant target cells,like muscle cells,it is considered to be a(n)

Which of the following is an incorrect pairing of a body system and an endocrine contribution to that system?

The disorder shown in one of the identical twins seen in this figure is due to a hypersecretion of hormones by which endocrine gland?

An Introduction to the Human Body

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

The Skeletal System: Bone Tissue

The Skeletal System: the Axial Skeleton

The Skeletal System: The Appendicular Skeleton

Joints

Muscular Tissue

The Muscular System

Nervous Tissue

The Spinal Cord and Spinal Nerves

The Brain and Cranial Nerves

The Autonomic Nervous System

Sensory, Motor, and Integrative Systems

The Special Senses

The Cardiovascular System: the Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Hemodynamics

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Nutrition

The Urinary System

Fluid, Electrolyte, and Acidbase Homeostasis

The Reproductive Systems

Development and Inheritance

Filters