Question 1

Match the hormone with the best description.
-testosterone

Accepted Answer

A) aids in spermatogenesis 
B) inhibits FSH secretion 
C) menstrual cycle 
D) increases flexibility of connective tissue 
A) aids in spermatogenesis 
B) inhibits FSH secretion 
C) menstrual cycle 
D) increases flexibility of connective tissue

Question 2

Which of the following is involved in the regulation of thyroid hormone levels?

Accepted Answer

A)  thyroglobulin in thyroid follicles 
B)  thyroid-stimulating hormone from the anterior pituitary 
C)  positive feedback mechanisms 
D)  parathyroid hormone levels 
E)  blood calcium levels 
A)  thyroglobulin in thyroid follicles 
B)  thyroid-stimulating hormone from the anterior pituitary 
C)  positive feedback mechanisms 
D)  parathyroid hormone levels 
E)  blood calcium levels

Question 3

ADH (antidiuretic hormone) is also called vasopressin because at high concentrations it causes

Accepted Answer

A)  increased urine output. 
B)  constriction of blood vessels. 
C)  increased potassium secretion by the kidneys. 
D)  decreased sodium retention by the kidneys. 
E)  dilation of blood vessels. 
A)  increased urine output. 
B)  constriction of blood vessels. 
C)  increased potassium secretion by the kidneys. 
D)  decreased sodium retention by the kidneys. 
E)  dilation of blood vessels.

Question 4

The posterior pituitary

Accepted Answer

A)  has a direct connection with neurons of the hypothalamus. 
B)  is controlled by releasing hormones produced in the hypothalamus. 
C)  produces hormones that regulate other endocrine glands. 
D)  stores lipotropins. 
E)  is not related to fluid balance in the body. 
A)  has a direct connection with neurons of the hypothalamus. 
B)  is controlled by releasing hormones produced in the hypothalamus. 
C)  produces hormones that regulate other endocrine glands. 
D)  stores lipotropins. 
E)  is not related to fluid balance in the body.

Question 5

Which of the following is NOT an effect of dropping blood glucose levels, 1-2 hours after a meal?

Accepted Answer

A)  increased sympathetic stimulation causes insulin secretion to decrease 
B)  decreasing blood nutrient levels cause increased growth hormone secretion 
C)  decreasing blood nutrient levels cause increased cortisol secretion 
D)  increasing parasympathetic stimulation causes increased glucagon secretion 
A)  increased sympathetic stimulation causes insulin secretion to decrease 
B)  decreasing blood nutrient levels cause increased growth hormone secretion 
C)  decreasing blood nutrient levels cause increased cortisol secretion 
D)  increasing parasympathetic stimulation causes increased glucagon secretion

Question 6

Which of the following glands is both an endocrine gland and an exocrine gland?

Accepted Answer

A)  thyroid gland 
B)  adrenal gland 
C)  pancreas 
D)  parathyroid gland 
E)  pituitary gland 
A)  thyroid gland 
B)  adrenal gland 
C)  pancreas 
D)  parathyroid gland 
E)  pituitary gland

Question 7

The glucocorticoids

Accepted Answer

A)  stimulate gluconeogenesis. 
B)  increase the inflammatory response. 
C)  supplement the sex hormones from the gonads. 
D)  decrease synthesis of glycogen. 
E)  stimulate glycogenolysis. 
A)  stimulate gluconeogenesis. 
B)  increase the inflammatory response. 
C)  supplement the sex hormones from the gonads. 
D)  decrease synthesis of glycogen. 
E)  stimulate glycogenolysis.

Question 8

An increase in ADH (antidiuretic hormone) secretion will cause

Accepted Answer

A)  the intestines to absorb more water. 
B)  the kidney tubules to retain more water. 
C)  a person to drink more water. 
D)  All of the choices could occur. 
A)  the intestines to absorb more water. 
B)  the kidney tubules to retain more water. 
C)  a person to drink more water. 
D)  All of the choices could occur.

Question 9

Which of the following statements concerning the pancreas is true?

Accepted Answer

A)  Most of the hormones produced by the pancreas flow into the pancreatic duct. 
B)  Both glucagon and insulin are produced in the islets of Langerhans. 
C)  The pancreas is located above the liver. 
D)  The endocrine portion of the gland is called the zona reticularis. 
E)  Alpha and beta cells are associated with the acini. 
A)  Most of the hormones produced by the pancreas flow into the pancreatic duct. 
B)  Both glucagon and insulin are produced in the islets of Langerhans. 
C)  The pancreas is located above the liver. 
D)  The endocrine portion of the gland is called the zona reticularis. 
E)  Alpha and beta cells are associated with the acini.

Question 10

Match the hormone with the best description.
-estrogen

Accepted Answer

A) aids in spermatogenesis 
B) inhibits FSH secretion 
C) menstrual cycle 
D) increases flexibility of connective tissue 
A) aids in spermatogenesis 
B) inhibits FSH secretion 
C) menstrual cycle 
D) increases flexibility of connective tissue

Question 11

Match the hormone with the best description.
-relaxin

Accepted Answer

A) aids in spermatogenesis 
B) inhibits FSH secretion 
C) menstrual cycle 
D) increases flexibility of connective tissue 
A) aids in spermatogenesis 
B) inhibits FSH secretion 
C) menstrual cycle 
D) increases flexibility of connective tissue

Question 12

Insulin is necessary for the satiety center to detect the presence of glucose in extracellular fluid. When insulin levels are low

Accepted Answer

A)  the person feels "full" or satisfied. 
B)  the person is intensely hungry. 
C)  the person is thirsty. 
D)  the person is sleepy. 
E)  there is no effect on hunger or satiety feelings. 
A)  the person feels "full" or satisfied. 
B)  the person is intensely hungry. 
C)  the person is thirsty. 
D)  the person is sleepy. 
E)  there is no effect on hunger or satiety feelings.

Question 13

Match the hormone with its appropriate function.
-thymosin

Accepted Answer

A) stimulates synthesis of thyroid hormones 
B) increases adrenal cortex secretions 
C) development of immune system 
D) milk production 
E) decreases blood calcium levels 
A) stimulates synthesis of thyroid hormones 
B) increases adrenal cortex secretions 
C) development of immune system 
D) milk production 
E) decreases blood calcium levels

Question 14

What condition may be the cause of hyperglycemia, depressed immune system, and redistribution of fats from limbs to the face, neck, and abdomen?

Accepted Answer

A)  Addison disease 
B)  hypersecretion of mineralocorticoids 
C)  hyposecretion of cortisol 
D)  Cushing syndrome 
A)  Addison disease 
B)  hypersecretion of mineralocorticoids 
C)  hyposecretion of cortisol 
D)  Cushing syndrome

Question 15

The rate of secretion of parathyroid hormone increases when

Accepted Answer

A)  serum calcium levels increase. 
B)  serum calcium levels decrease. 
C)  serum levels of TSH decrease. 
D)  serum levels of TSH increase. 
E)  serum levels of sodium levels increase. 
A)  serum calcium levels increase. 
B)  serum calcium levels decrease. 
C)  serum levels of TSH decrease. 
D)  serum levels of TSH increase. 
E)  serum levels of sodium levels increase.

Question 16

Parathyroid hormone (PTH)

Accepted Answer

A)  tends to inhibit osteoclasts. 
B)  decreases blood calcium levels. 
C)  allows the kidneys to retain calcium. 
D)  increases calcium excretion by the intestine. 
E)  stimulates kidneys to excrete calcium. 
A)  tends to inhibit osteoclasts. 
B)  decreases blood calcium levels. 
C)  allows the kidneys to retain calcium. 
D)  increases calcium excretion by the intestine. 
E)  stimulates kidneys to excrete calcium.

Question 17

Which of the following ions is necessary for thyroid hormone production?

Accepted Answer

A)  potassium 
B)  calcium 
C)  iodine 
D)  sodium 
E)  chlorine 
A)  potassium 
B)  calcium 
C)  iodine 
D)  sodium 
E)  chlorine

Question 18

Match the cell type with the hormone produced by that cell type.
-follicular cells of thyroid

Accepted Answer

A) mineralocorticoids 
B) PTH 
C) insulin 
D) ADH 
E) T3 
A) mineralocorticoids 
B) PTH 
C) insulin 
D) ADH 
E) T3

Question 19

Read the  statements and use the following key to answer them.
-(1) level of ACTH during stress (2) level of ACTH during relaxation

Accepted Answer

A) Mark this if the first item is greater than the second item. 
B) Mark this if the first item is less than the second item. 
C) Mark this if the first is equal or nearly equal to the second item. 
A) Mark this if the first item is greater than the second item. 
B) Mark this if the first item is less than the second item. 
C) Mark this if the first is equal or nearly equal to the second item.

Question 20

John Smith works outdoors in the winter at a ski resort. His thyroid hormone levels are

Accepted Answer

A)  lower in the winter to conserve body heat. 
B)  higher in the winter to increase body temperature. 
C)  lowered in the summer after his job to decrease body temperature. 
D)  increased in the summer after his job to increase body temperature. 
E)  unaffected by his job. 
A)  lower in the winter to conserve body heat. 
B)  higher in the winter to increase body temperature. 
C)  lowered in the summer after his job to decrease body temperature. 
D)  increased in the summer after his job to increase body temperature. 
E)  unaffected by his job.

Exam 18: Endocrine Glands

Match the hormone with the best description. -testosterone

Which of the following is involved in the regulation of thyroid hormone levels?

ADH (antidiuretic hormone) is also called vasopressin because at high concentrations it causes

The posterior pituitary

Which of the following is NOT an effect of dropping blood glucose levels, 1-2 hours after a meal?

Which of the following glands is both an endocrine gland and an exocrine gland?

The glucocorticoids

An increase in ADH (antidiuretic hormone) secretion will cause

Which of the following statements concerning the pancreas is true?

Match the hormone with the best description. -estrogen

Match the hormone with the best description. -relaxin

Insulin is necessary for the satiety center to detect the presence of glucose in extracellular fluid. When insulin levels are low

Match the hormone with its appropriate function. -thymosin

What condition may be the cause of hyperglycemia, depressed immune system, and redistribution of fats from limbs to the face, neck, and abdomen?

The rate of secretion of parathyroid hormone increases when

Parathyroid hormone (PTH)

Which of the following ions is necessary for thyroid hormone production?

Match the cell type with the hormone produced by that cell type. -follicular cells of thyroid

Read the statements and use the following key to answer them. -(1) level of ACTH during stress (2) level of ACTH during relaxation

John Smith works outdoors in the winter at a ski resort. His thyroid hormone levels are

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition, Metabolism, and Temperature Regulation

Urinary System

Water, Electrolyte, and Acid-Based Balance

Reproductive System

Development, Growth, Aging, and Genetics

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