Question 1

Which of the following events occurs last?

Accepted Answer

A)  Enzymes break down thyroglobulin to release T3 and T4. 
B)  T3 and T4 are stored within thyroid follicles. 
C)  Iodine is bound to tyrosine molecules of thyroglobulin. 
D)  Thyroglobulin is taken into thyroid cells by endocytosis. 
E)  Iodide is actively transported into thyroid follicle cells. 
A)  Enzymes break down thyroglobulin to release T3 and T4. 
B)  T3 and T4 are stored within thyroid follicles. 
C)  Iodine is bound to tyrosine molecules of thyroglobulin. 
D)  Thyroglobulin is taken into thyroid cells by endocytosis. 
E)  Iodide is actively transported into thyroid follicle cells.

Question 2

The ________ pituitary is a neural extension of the hypothalamus.

Accepted Answer

The answer of The ________ pituitary is a neural extension...

Question 3

Which of the following will inhibit the secretion of growth hormone?

Accepted Answer

A)  growth hormone-releasing hormone (GHRH) 
B)  growth hormone-inhibiting hormone (GHIH) 
C)  somatomedins 
D)  a posterior pituitary-inhibiting hormone 
E)  T3 and T4 
A)  growth hormone-releasing hormone (GHRH) 
B)  growth hormone-inhibiting hormone (GHIH) 
C)  somatomedins 
D)  a posterior pituitary-inhibiting hormone 
E)  T3 and T4

Question 4

Increased metabolic activity and weight loss are associated with

Accepted Answer

A)  lack of iodine in the diet. 
B)  hyperthyroidism. 
C)  too little TSH. 
D)  cretinism. 
E)  hypothyroidism. 
A)  lack of iodine in the diet. 
B)  hyperthyroidism. 
C)  too little TSH. 
D)  cretinism. 
E)  hypothyroidism.

Question 5

Julie was diagnosed with an aggressive tumor of the thyroid. Surgery was performed to remove the thyroid. However, post-operatively, Julie's blood calcium levels began declining to life-threatening levels. This decline is most likely due to

Accepted Answer

A)  thyroid hormone replacement therapy after the surgery. 
B)  damage to the anterior pituitary during surgery. 
C)  accidental removal of the parathyroid glands during surgery. 
D)  improper laboratory handling of blood samples. 
E)  post-traumatic stress disorder. 
A)  thyroid hormone replacement therapy after the surgery. 
B)  damage to the anterior pituitary during surgery. 
C)  accidental removal of the parathyroid glands during surgery. 
D)  improper laboratory handling of blood samples. 
E)  post-traumatic stress disorder.

Question 6

ADH (antidiuretic hormone) is secreted in response to

Accepted Answer

A)  overhydration. 
B)  increased volume of the body fluids. 
C)  increased osmotic pressure of the body fluids. 
D)  high blood pressure. 
E)  increased blood volume. 
A)  overhydration. 
B)  increased volume of the body fluids. 
C)  increased osmotic pressure of the body fluids. 
D)  high blood pressure. 
E)  increased blood volume.

Question 7

Which of the following helps to keep blood nutrients at normal levels six to eight hours after a meal?

Accepted Answer

A)  parasympathetic stimulation of the pancreas 
B)  breakdown of glycogen in the liver releasing glucose 
C)  increased production of insulin by the pancreas 
D)  increased glucose uptake by cells 
E)  glycogen synthesis 
A)  parasympathetic stimulation of the pancreas 
B)  breakdown of glycogen in the liver releasing glucose 
C)  increased production of insulin by the pancreas 
D)  increased glucose uptake by cells 
E)  glycogen synthesis

Question 8

Read the  statements and use the following key to answer them.
-(1) amount of water reabsorbed by the kidney when ADH is present (2) amount of water reabsorbed by the kidney when ADH is absent

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 9

Match the pathological condition with its cause.
-acromegaly

Accepted Answer

A) decreased amounts of thyroid hormone 
B) increased amounts of thyroid hormone 
C) abnormally low levels of aldosterone and cortisol 
D) increased levels of growth hormone in adults 
E) lack of ADH 
A) decreased amounts of thyroid hormone 
B) increased amounts of thyroid hormone 
C) abnormally low levels of aldosterone and cortisol 
D) increased levels of growth hormone in adults 
E) lack of ADH

Question 10

Match the pathological condition with its cause.
-cretinism

Accepted Answer

A) decreased amounts of thyroid hormone 
B) increased amounts of thyroid hormone 
C) abnormally low levels of aldosterone and cortisol 
D) increased levels of growth hormone in adults 
E) lack of ADH 
A) decreased amounts of thyroid hormone 
B) increased amounts of thyroid hormone 
C) abnormally low levels of aldosterone and cortisol 
D) increased levels of growth hormone in adults 
E) lack of ADH

Question 11

Which of the following is NOT a regulatory function of the endocrine system?

Accepted Answer

A)  Regulates water balance by controlling the solute concentration of the blood. 
B)  Regulates skeletal muscle contraction strength. 
C)  Regulates satiation and the breakdown of food into individual nutrients. 
D)  Regulates the rate of metabolism. 
E)  Regulates the levels of nutrients such as glucose in the blood. 
A)  Regulates water balance by controlling the solute concentration of the blood. 
B)  Regulates skeletal muscle contraction strength. 
C)  Regulates satiation and the breakdown of food into individual nutrients. 
D)  Regulates the rate of metabolism. 
E)  Regulates the levels of nutrients such as glucose in the blood.

Question 12

Releasing hormones

Accepted Answer

A)  travel through axons to the posterior pituitary. 
B)  increase anterior pituitary secretion. 
C)  cause action potentials to be generated by anterior pituitary cells. 
D)  decrease secretions of the anterior pituitary. 
A)  travel through axons to the posterior pituitary. 
B)  increase anterior pituitary secretion. 
C)  cause action potentials to be generated by anterior pituitary cells. 
D)  decrease secretions of the anterior pituitary.

Question 13

Secretions of the pineal gland

Accepted Answer

A)  include vasopressin. 
B)  may be involved with development of the immune system. 
C)  may inhibit reproductive functions. 
D)  increase the release of GnRH from the hypothalamus. 
E)  decrease the tendency to sleep. 
A)  include vasopressin. 
B)  may be involved with development of the immune system. 
C)  may inhibit reproductive functions. 
D)  increase the release of GnRH from the hypothalamus. 
E)  decrease the tendency to sleep.

Question 14

The endocrine glands located on top of the kidneys are the

Accepted Answer

A)  thyroid glands. 
B)  vestibular glands. 
C)  adrenal glands. 
D)  parathyroid glands. 
E)  renal glands. 
A)  thyroid glands. 
B)  vestibular glands. 
C)  adrenal glands. 
D)  parathyroid glands. 
E)  renal glands.

Question 15

All of the following are regulatory functions of the endocrine system except

Accepted Answer

A)  labor contractions. 
B)  development of tissues. 
C)  immune functions. 
D)  metabolic rate. 
E)  thermoregulation. 
A)  labor contractions. 
B)  development of tissues. 
C)  immune functions. 
D)  metabolic rate. 
E)  thermoregulation.

Question 16

Which of the following situations might be the result of hypersecretion of glucocorticoids?

Accepted Answer

A)  weight loss 
B)  hypoglycemia 
C)  depression of the immune response 
D)  increased plasma levels of ACTH 
E)  proteins and fats are unused 
A)  weight loss 
B)  hypoglycemia 
C)  depression of the immune response 
D)  increased plasma levels of ACTH 
E)  proteins and fats are unused

Question 17

The primary stimulus for release of adrenal medullary hormones comes from

Accepted Answer

A)  the kidneys. 
B)  aldosterone. 
C)  the anterior pituitary. 
D)  the parasympathetic nervous system. 
E)  the sympathetic nervous system. 
A)  the kidneys. 
B)  aldosterone. 
C)  the anterior pituitary. 
D)  the parasympathetic nervous system. 
E)  the sympathetic nervous system.

Question 18

Which of the following is NOT a regulatory function of the endocrine system?

Accepted Answer

A)  Regulates the rate of metabolism. 
B)  Controls development and functions of the reproductive system. 
C)  Regulates equilibrium and balance from the inner ear. 
D)  Prepares the body for physical activity and stress. 
E)  Regulates heart rate and blood pressure. 
A)  Regulates the rate of metabolism. 
B)  Controls development and functions of the reproductive system. 
C)  Regulates equilibrium and balance from the inner ear. 
D)  Prepares the body for physical activity and stress. 
E)  Regulates heart rate and blood pressure.

Question 19

Match the endocrine gland with the hormone it secretes.
-pancreas

Accepted Answer

A) glucagon 
B) progesterone 
C) cortisol 
D) T3 
E) prolactin 
A) glucagon 
B) progesterone 
C) cortisol 
D) T3 
E) prolactin

Question 20

Urine volume ____ when ADH (antidiuretic hormone) secretion decreases.

Accepted Answer

A)  increases 
B)  decreases 
C)  is not affected 
D)  declines 
E)  None of these choices are correct. 
A)  increases 
B)  decreases 
C)  is not affected 
D)  declines 
E)  None of these choices are correct.

Exam 18: Endocrine Glands

Which of the following events occurs last?

The ________ pituitary is a neural extension of the hypothalamus.

Which of the following will inhibit the secretion of growth hormone?

Increased metabolic activity and weight loss are associated with

Julie was diagnosed with an aggressive tumor of the thyroid. Surgery was performed to remove the thyroid. However, post-operatively, Julie's blood calcium levels began declining to life-threatening levels. This decline is most likely due to

ADH (antidiuretic hormone) is secreted in response to

Which of the following helps to keep blood nutrients at normal levels six to eight hours after a meal?

Read the statements and use the following key to answer them. -(1) amount of water reabsorbed by the kidney when ADH is present (2) amount of water reabsorbed by the kidney when ADH is absent

Match the pathological condition with its cause. -acromegaly

Match the pathological condition with its cause. -cretinism

Which of the following is NOT a regulatory function of the endocrine system?

Releasing hormones

Secretions of the pineal gland

The endocrine glands located on top of the kidneys are the

All of the following are regulatory functions of the endocrine system except

Which of the following situations might be the result of hypersecretion of glucocorticoids?

The primary stimulus for release of adrenal medullary hormones comes from

Which of the following is NOT a regulatory function of the endocrine system?

Match the endocrine gland with the hormone it secretes. -pancreas

Urine volume ____ when ADH (antidiuretic hormone) secretion decreases.

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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