Question 1

The posterior lobe of the pituitary gland is NOT a true endocrine gland because ________.

Accepted Answer

A)  embryonically it was an endocrine tissue, but in the adult human it is no longer functional 
B)  it is only a hormone storage area that receives hormones from the hypothalamus for release 
C)  it is unable to function as an endocrine tissue because it is actually part of the neural system due to its location 
D)  it is strictly a part of the neural system and has little or nothing to do with hormonal release 
A)  embryonically it was an endocrine tissue, but in the adult human it is no longer functional 
B)  it is only a hormone storage area that receives hormones from the hypothalamus for release 
C)  it is unable to function as an endocrine tissue because it is actually part of the neural system due to its location 
D)  it is strictly a part of the neural system and has little or nothing to do with hormonal release

Question 2

During an afternoon class,Lisa starts to feel hungry and worries that her blood sugar level may be dropping.Which hormone is helping to prevent a drop in blood sugar level?

Accepted Answer

A)  thyroxine 
B)  glucagon 
C)  insulin 
D)  aldosterone 
A)  thyroxine 
B)  glucagon 
C)  insulin 
D)  aldosterone

Question 3

Explain how antidiuretic hormone can help regulate an abnormal increase in solute concentration in the extracellular fluid.

Accepted Answer

The release of antidiuretic hormone can

Question 4

Johanna is significantly shorter than normal for her age.Her doctor recommends treatment with a hormone before her growth plates ossify in her long bones.Which hormone is recommended?

Accepted Answer

A)  cortisol 
B)  thyroid stimulating hormone 
C)  parathyroid hormone 
D)  growth hormone 
A)  cortisol 
B)  thyroid stimulating hormone 
C)  parathyroid hormone 
D)  growth hormone

Question 5

Match the following:
-Hyposecretion of the thyroid in adults.

Accepted Answer

A) Myxedema 
B) Cushing's disease 
C) Gigantism 
D) Cretinism 
A) Myxedema 
B) Cushing's disease 
C) Gigantism 
D) Cretinism

Question 6

Which of the following is NOT a category of endocrine gland stimulus?

Accepted Answer

A)  neural 
B)  humoral 
C)  enzymatic 
D)  hormonal 
A)  neural 
B)  humoral 
C)  enzymatic 
D)  hormonal

Question 7

Compare the structure and function of endocrine and exocrine glands.

Accepted Answer

Endocrine glands are ductless glands tha

Question 8

At age 85,Lyle's immune system does not respond to vaccines as well as it did when he was younger.The atrophy of which endocrine gland is likely responsible for this?

Accepted Answer

A)  thyroid 
B)  thymus 
C)  adrenal 
D)  anterior pituitary 
A)  thyroid 
B)  thymus 
C)  adrenal 
D)  anterior pituitary

Question 9

Match the following:
-Epinephrine production.

Accepted Answer

A) Neural stimulus 
B) Hormonal stimulus 
C) Humoral stimulus 
A) Neural stimulus 
B) Hormonal stimulus 
C) Humoral stimulus

Question 10

One of the least complicated of the endocrine control systems directly responds to changing blood levels of ions and nutrients.Which of the following describes this mechanism?

Accepted Answer

A)  carbohydrate oxidation 
B)  protein synthesis 
C)  catabolic inhibition 
D)  humoral stimulation 
A)  carbohydrate oxidation 
B)  protein synthesis 
C)  catabolic inhibition 
D)  humoral stimulation

Question 11

Bisphenol-A (BPA)is an endocrine disruptor that can leach out of certain plastics.It disrupts the normal function of the endocrine system my mimicking estrogen.Which of the following explains how persistent small amounts of BPA in the body can have effects?

Accepted Answer

A)  lock-and-key 
B)  up-regulation 
C)  down-regulation 
D)  half-life 
A)  lock-and-key 
B)  up-regulation 
C)  down-regulation 
D)  half-life

Question 12

The single most important regulator of calcium levels in the blood is ________.

Accepted Answer

A)  thyroid hormone 
B)  gonadotropic hormones 
C)  calcitonin 
D)  parathyroid hormone 
A)  thyroid hormone 
B)  gonadotropic hormones 
C)  calcitonin 
D)  parathyroid hormone

Question 13

Most type 2 diabetics do NOT produce insulin.

Accepted Answer

A) True 
 B)False

Question 14

Adrenocorticotropic hormone (ACTH)________.

Accepted Answer

A)  causes the release of hormones from the adrenal medulla 
B)  is secreted by the posterior pituitary 
C)  is not a tropic hormone 
D)  secretion is regulated by a hypothalamic regulatory hormone 
A)  causes the release of hormones from the adrenal medulla 
B)  is secreted by the posterior pituitary 
C)  is not a tropic hormone 
D)  secretion is regulated by a hypothalamic regulatory hormone

Question 15

Calcitonin is the main regulator of blood calcium levels.

Accepted Answer

A) True 
 B)False

Question 16

Iodine is an essential element required for the synthesis of thyroxine.

Accepted Answer

A) True 
 B)False

Question 17

Why should the hypothalamus instead of the anterior pituitary be called the "master endocrine gland?"

Accepted Answer

Although the anterior pituitar

Question 18

While visiting another country,you notice many individuals with iodine-deficiency goiters.Describe the feedback loop responsible for these goiters.

Accepted Answer

Upon detecting low levels of thyroid hor

Question 19

Regulating hormones from the hypothalamus ________.

Accepted Answer

A)  enter the hepatic portal system, which feeds the pituitary 
B)  first enter into the hypophyseal portal system 
C)  enter venous circulation and travel to the heart, which pumps the hormone-containing blood to the pituitary 
D)  travel by arteries to the pituitary 
A)  enter the hepatic portal system, which feeds the pituitary 
B)  first enter into the hypophyseal portal system 
C)  enter venous circulation and travel to the heart, which pumps the hormone-containing blood to the pituitary 
D)  travel by arteries to the pituitary

Question 20

John is a 26-year-old man who begins to notice a progressive enlargement of feet,hands,cranium,nose,and lower jaw bone.His doctor recommends a pituitary gland operation.What is the most likely diagnosis? Why?

Accepted Answer

The diagnosis is acromegaly.Th

Exam 16: The Endocrine System

The posterior lobe of the pituitary gland is NOT a true endocrine gland because ________.

During an afternoon class,Lisa starts to feel hungry and worries that her blood sugar level may be dropping.Which hormone is helping to prevent a drop in blood sugar level?

Explain how antidiuretic hormone can help regulate an abnormal increase in solute concentration in the extracellular fluid.

Johanna is significantly shorter than normal for her age.Her doctor recommends treatment with a hormone before her growth plates ossify in her long bones.Which hormone is recommended?

Match the following: -Hyposecretion of the thyroid in adults.

Which of the following is NOT a category of endocrine gland stimulus?

Compare the structure and function of endocrine and exocrine glands.

At age 85,Lyle's immune system does not respond to vaccines as well as it did when he was younger.The atrophy of which endocrine gland is likely responsible for this?

Match the following: -Epinephrine production.

One of the least complicated of the endocrine control systems directly responds to changing blood levels of ions and nutrients.Which of the following describes this mechanism?

Bisphenol-A (BPA)is an endocrine disruptor that can leach out of certain plastics.It disrupts the normal function of the endocrine system my mimicking estrogen.Which of the following explains how persistent small amounts of BPA in the body can have effects?

The single most important regulator of calcium levels in the blood is ________.

Most type 2 diabetics do NOT produce insulin.

Adrenocorticotropic hormone (ACTH)________.

Calcitonin is the main regulator of blood calcium levels.

Iodine is an essential element required for the synthesis of thyroxine.

Why should the hypothalamus instead of the anterior pituitary be called the "master endocrine gland?"

While visiting another country,you notice many individuals with iodine-deficiency goiters.Describe the feedback loop responsible for these goiters.

Regulating hormones from the hypothalamus ________.

John is a 26-year-old man who begins to notice a progressive enlargement of feet,hands,cranium,nose,and lower jaw bone.His doctor recommends a pituitary gland operation.What is the most likely diagnosis? Why?

The Human Body: an Orientation

Chemistry Comes Alive

Cells: the Living Units

Tissue: the Living Fabric

The Integumentary System

Bones and Skeletal Tissue

The Skeleton

Joints

Muscles and Muscle Tissue

The Muscular System

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System and Reflex Activity

The Autonomic Nervous System

The Special Senses

Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels

The Lymphatic System and Lymphoid Organs and Tissues

The Immune System: Innate and Adaptive Body Defenses

The Respiratory System

The Digestive System

Nutrition,metabolism,and Body Temperature Regulation

The Urinary System

Fluid,electrolyte,and Acid-Base Balance

The Reproductive System

Pregnancy and Human Development

Heredity

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