Question 1

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 2

Identify the stalk-like structure labeled A in the diagram.

Accepted Answer

A) hypothalamus 
B) anterior pituitary 
C) posterior pituitary 
D) infundibulum 
E) hypophyseal fossa 
A) hypothalamus 
B) anterior pituitary 
C) posterior pituitary 
D) infundibulum 
E) hypophyseal fossa

Question 3

Human chorionic gonadotropin (hCG)is produced by the

Accepted Answer

A) placenta. 
B) ovaries. 
C) testes. 
D) pituitary gland. 
E) hypothalamus. 
A) placenta. 
B) ovaries. 
C) testes. 
D) pituitary gland. 
E) hypothalamus.

Question 4

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

Question 5

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 6

Which of the following germ layers does the anterior pituitary gland develop from during embryonic development?

Accepted Answer

A) Mesoderm 
B) Endoderm 
C) Ectoderm 
D) A combination of two of the layers 
E) None of the answer selections are correct 
A) Mesoderm 
B) Endoderm 
C) Ectoderm 
D) A combination of two of the layers 
E) None of the answer selections are correct

Question 7

Which of the labeled endocrine glands secretes hormones that regulate the basal metabolic rate (BMR)?

Accepted Answer

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

Question 8

What is the major function of the hormone produced by the cells marked in the thyroid follicle shown in the histology picture?

Accepted Answer

A) Involved in regulation of calcium homeostasis. 
B) Enhances contraction of smooth muscle cells in the uterus during delivery. 
C) In females,initiates development of oocytes.In males,stimulates sperm production. 
D) Decreases urine volume. 
E) Increases blood levels of Na⁺ and water. 
A) Involved in regulation of calcium homeostasis. 
B) Enhances contraction of smooth muscle cells in the uterus during delivery. 
C) In females,initiates development of oocytes.In males,stimulates sperm production. 
D) Decreases urine volume. 
E) Increases blood levels of Na⁺ and water.

Question 9

Endocrine tissues that secrete steroid hormones all 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 10

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 11

Which of the following hormones opposes the action of parathyroid hormone?

Accepted Answer

A) Thyroid-stimulating hormone 
B) Testosterone 
C) Insulin 
D) Calcitonin 
E) Calcitriol 
A) Thyroid-stimulating hormone 
B) Testosterone 
C) Insulin 
D) Calcitonin 
E) Calcitriol

Question 12

Which of the following germ layers does the thyroid gland develop from during embryonic development?

Accepted Answer

A) Mesoderm 
B) Endoderm 
C) Ectoderm 
D) A combination of two of the layers 
E) None of the answer selections are correct 
A) Mesoderm 
B) Endoderm 
C) Ectoderm 
D) A combination of two of the layers 
E) None of the answer selections are correct

Question 13

Which of the following is an eicosanoid??1.Prostaglandin?2.Leukotriene?3.Glycoprotein

Accepted Answer

A) 1 only 
B) 2 only 
C) 3 only 
D) Both 1and 2 
E) All of these choices 
A) 1 only 
B) 2 only 
C) 3 only 
D) Both 1and 2 
E) All of these choices

Question 14

Which of the following hormones is produced in zone of adrenal gland labeled B?

Accepted Answer

A) cortisol 
B) epinephrine 
C) norepinephrine 
D) glucagon 
E) androgens 
A) cortisol 
B) epinephrine 
C) norepinephrine 
D) glucagon 
E) androgens

Question 15

The patient shown is suffering from a disease called ____________,caused by a pituitary hypersecretion of hGH during adulthood.

Accepted Answer

A) Goiter 
B) Graves' Disease 
C) Acromegaly 
D) Cushing's syndrome 
E) Giantism 
A) Goiter 
B) Graves' Disease 
C) Acromegaly 
D) Cushing's syndrome 
E) Giantism

Question 16

What is a goiter? Explain how goiters can develop in both hyposecretion and hypersecretion disorders.In these hyposecretion and hypersecretion disorders,would you expect the levels of other regulatory hormones involved in control of thyroid hormone secretion to be high or low? Why?

Accepted Answer

The answer of What is a goiter? Explain how goiters...

Question 17

A type of hormone that acts on neighboring cells without entering the bloodstream.?1.Local hormone?2.Paracrine?3.Autocrine?4.Circulating hormone

Accepted Answer

A) 1 only 
B) 2 only 
C) 3 only 
D) 4 only 
E) Both 1 and 2 
A) 1 only 
B) 2 only 
C) 3 only 
D) 4 only 
E) Both 1 and 2

Question 18

Which zone of the adrenal gland secretes androgens?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) None of the zones 
A) A 
B) B 
C) C 
D) D 
E) None of the zones

Question 19

Which labeled structure in the diagram secretes somatostatin?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E 
A) A 
B) B 
C) C 
D) D 
E) E

Question 20

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.

Exam 18: The Endocrine System

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

Identify the stalk-like structure labeled A in the diagram.

Human chorionic gonadotropin (hCG)is produced by the

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

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

Which of the following germ layers does the anterior pituitary gland develop from during embryonic development?

Which of the labeled endocrine glands secretes hormones that regulate the basal metabolic rate (BMR)?

What is the major function of the hormone produced by the cells marked in the thyroid follicle shown in the histology picture?

Endocrine tissues that secrete steroid hormones all are derived from

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

Which of the following hormones opposes the action of parathyroid hormone?

Which of the following germ layers does the thyroid gland develop from during embryonic development?

Which of the following is an eicosanoid??1.Prostaglandin?2.Leukotriene?3.Glycoprotein

Which of the following hormones is produced in zone of adrenal gland labeled B?

The patient shown is suffering from a disease called ____________,caused by a pituitary hypersecretion of hGH during adulthood.

What is a goiter? Explain how goiters can develop in both hyposecretion and hypersecretion disorders.In these hyposecretion and hypersecretion disorders,would you expect the levels of other regulatory hormones involved in control of thyroid hormone secretion to be high or low? Why?

A type of hormone that acts on neighboring cells without entering the bloodstream.?1.Local hormone?2.Paracrine?3.Autocrine?4.Circulating hormone

Which zone of the adrenal gland secretes androgens?

Which labeled structure in the diagram secretes somatostatin?

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

Muscle 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, Nonspecific Resistance to Disease, and Immunity

The Digestive System

Metabolism

The Urinary System

The Reproductive Systems

Development and Inheritance

Filters