Question 1

Hormones often cause a cell to elicit multiple responses; this is because ___________.

Accepted Answer

A)  the protein kinases are rapidly metabolized into functional amino acids 
B)  there are thousands of receptors on the cell membrane 
C)  the receptors bind to several hormones at the same time 
D)  during protein kinase activation, enzymes phosphorylate many other enzymes 
A)  the protein kinases are rapidly metabolized into functional amino acids 
B)  there are thousands of receptors on the cell membrane 
C)  the receptors bind to several hormones at the same time 
D)  during protein kinase activation, enzymes phosphorylate many other enzymes

Question 2

What is the role of hormone producing cells found within the heart?

Accepted Answer

In response to high blood pressure, a fe

Question 3

Several hormones are synthesized in the hypothalamus and transported to the anterior pituitary gland. The mechanism of transportation from hypothalamus to anterior pituitary gland is through the ____________.

Accepted Answer

A)  general circulatory system 
B)  hepatic portal system 
C)  hypophyseal portal system 
D)  feedback loop 
A)  general circulatory system 
B)  hepatic portal system 
C)  hypophyseal portal system 
D)  feedback loop

Question 4

The ability of a specific tissue or organ to respond to the presence of a hormone is dependent on ___________.

Accepted Answer

A)  the presence of the appropriate receptors on the cells of the target tissue or organ 
B)  the membrane potential of the cells of the target organ 
C)  the location of the tissue or organ with respect to the circulatory path 
D)  nothing-all hormones of the human body are able to stimulate any and all cell types because hormones are powerful and nonspecific 
A)  the presence of the appropriate receptors on the cells of the target tissue or organ 
B)  the membrane potential of the cells of the target organ 
C)  the location of the tissue or organ with respect to the circulatory path 
D)  nothing-all hormones of the human body are able to stimulate any and all cell types because hormones are powerful and nonspecific

Question 5

Steroid hormones exert their action by___________ .

Accepted Answer

A)  binding cell receptors and initiating cAMP activity 
B)  activating the hypothalamic release of regulating hormones 
C)  entering the nucleus of a cell and initiating or altering the expression of a gene 
D)  entering the cell and activating mitochondrial DNA 
A)  binding cell receptors and initiating cAMP activity 
B)  activating the hypothalamic release of regulating hormones 
C)  entering the nucleus of a cell and initiating or altering the expression of a gene 
D)  entering the cell and activating mitochondrial DNA

Question 6

The hormone that raises blood sugar levels is insulin.

Accepted Answer

A) True 
 B)False

Question 7

In circumstances where the body requires prolonged or increased levels of a hormone, the DNA of target cells will specify the synthesis of more receptors on the surface of the cells of the target organ. This is known as___________ .

Accepted Answer

A)  up-regulation 
B)  sensitivity increase 
C)  cellular affinity 
D)  a stressor reaction 
A)  up-regulation 
B)  sensitivity increase 
C)  cellular affinity 
D)  a stressor reaction

Question 8

Insufficient dietary iodine can cause Graves' disease.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following statements is true of amino acid-based hormones?

Accepted Answer

A)  They cross the plasma membrane. 
B)  They are lipid soluble. 
C)  They require a receptor in the plasma membrane. 
D)  They are synthesized from cholesterol. 
A)  They cross the plasma membrane. 
B)  They are lipid soluble. 
C)  They require a receptor in the plasma membrane. 
D)  They are synthesized from cholesterol.

Question 10

Many hormones synthesized in the gastrointestinal tract are chemically identical to brain neurotransmitters.

Accepted Answer

A) True 
 B)False

Question 11

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

Accepted Answer

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

Question 12

Why would one NOT expect to continue increasing in height with age?

Accepted Answer

The amount of growth hormone s

Question 13

Upon landing at the airport in Lagos, Nigeria, Eric feels wide awake even though the local time is 11pm. Which synthetic hormone supplement could he administer to help adjust to the new time zone?

Accepted Answer

A)  glucagon 
B)  melatonin 
C)  insulin 
D)  growth hormone 
A)  glucagon 
B)  melatonin 
C)  insulin 
D)  growth hormone

Question 14

The number of receptors for a particular hormone can change due to consistently high or low levels of that hormone, which is referred to as up- and down-regulation.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following is correctly matched?

Accepted Answer

A)  zona fasciculata - mineralocorticoids 
B)  zona reticularis - gonadocorticoids 
C)  zona glomerulosa - epinephrine and norepinephrine 
D)  adrenal medulla - glucocorticoids 
A)  zona fasciculata - mineralocorticoids 
B)  zona reticularis - gonadocorticoids 
C)  zona glomerulosa - epinephrine and norepinephrine 
D)  adrenal medulla - glucocorticoids

Question 16

The hypothalamic-hypophyseal tract___________ .

Accepted Answer

A)  connects the hypophysis to the pituitary gland 
B)  is the site of prolactin synthesis 
C)  runs through the infundibulum 
D)  conducts aldosterone to the hypophysis 
A)  connects the hypophysis to the pituitary gland 
B)  is the site of prolactin synthesis 
C)  runs through the infundibulum 
D)  conducts aldosterone to the hypophysis

Question 17

Leptin is secreted by ____________.

Accepted Answer

A)  goblet cells 
B)  lymphocytes 
C)  fibroblasts 
D)  adipose cells 
A)  goblet cells 
B)  lymphocytes 
C)  fibroblasts 
D)  adipose cells

Question 18

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

Question 19

The beta cells in the pancreatic islets produce insulin.

Accepted Answer

A) True 
 B)False

Question 20

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

Accepted Answer

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

Hormones often cause a cell to elicit multiple responses; this is because ___________.

What is the role of hormone producing cells found within the heart?

Several hormones are synthesized in the hypothalamus and transported to the anterior pituitary gland. The mechanism of transportation from hypothalamus to anterior pituitary gland is through the ____________.

The ability of a specific tissue or organ to respond to the presence of a hormone is dependent on ___________.

Steroid hormones exert their action by___________ .

The hormone that raises blood sugar levels is insulin.

In circumstances where the body requires prolonged or increased levels of a hormone, the DNA of target cells will specify the synthesis of more receptors on the surface of the cells of the target organ. This is known as___________ .

Insufficient dietary iodine can cause Graves' disease.

Which of the following statements is true of amino acid-based hormones?

Many hormones synthesized in the gastrointestinal tract are chemically identical to brain neurotransmitters.

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

Why would one NOT expect to continue increasing in height with age?

Upon landing at the airport in Lagos, Nigeria, Eric feels wide awake even though the local time is 11pm. Which synthetic hormone supplement could he administer to help adjust to the new time zone?

The number of receptors for a particular hormone can change due to consistently high or low levels of that hormone, which is referred to as up- and down-regulation.

Which of the following is correctly matched?

The hypothalamic-hypophyseal tract___________ .

Leptin is secreted by ____________.

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?

The beta cells in the pancreatic islets produce insulin.

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

The Human Body: an Orientation

Chemistry Comes Alive

Cells: the Living Units

Tissue: the Living Fabric

The Integumentary System

Bones and Skeletal Tissues

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

Filters

Exam 16: The Endocrine System

Hormones often cause a cell to elicit multiple responses; this is because ___________.

What is the role of hormone producing cells found within the heart?

Several hormones are synthesized in the hypothalamus and transported to the anterior pituitary gland. The mechanism of transportation from hypothalamus to anterior pituitary gland is through the ____________.

The ability of a specific tissue or organ to respond to the presence of a hormone is dependent on ___________.

Steroid hormones exert their action by___________ .

The hormone that raises blood sugar levels is insulin.

In circumstances where the body requires prolonged or increased levels of a hormone, the DNA of target cells will specify the synthesis of more receptors on the surface of the cells of the target organ. This is known as___________ .

Insufficient dietary iodine can cause Graves' disease.

Which of the following statements is true of amino acid-based hormones?

Many hormones synthesized in the gastrointestinal tract are chemically identical to brain neurotransmitters.

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

Why would one NOT expect to continue increasing in height with age?

Upon landing at the airport in Lagos, Nigeria, Eric feels wide awake even though the local time is 11pm. Which synthetic hormone supplement could he administer to help adjust to the new time zone?

The number of receptors for a particular hormone can change due to consistently high or low levels of that hormone, which is referred to as up- and down-regulation.

Which of the following is correctly matched?

The hypothalamic-hypophyseal tract___________ .

Leptin is secreted by ____________.

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?

The beta cells in the pancreatic islets produce insulin.

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

The Human Body: an Orientation

Chemistry Comes Alive

Cells: the Living Units

Tissue: the Living Fabric

The Integumentary System

Bones and Skeletal Tissues

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

Filters