karch focus 8th nurs 317

Question 1

Which of the following best describes aldosterone?
a.It causes the loss of sodium and water from the renal tubules.
b.It is under direct hormonal control from the hypothalamus.
c.It is released into the bloodstream in response to angiotensin I.
d.It is released into the bloodstream in response to high potassium levels.

Answer 1

d

Question 2

When explaining the role of ADH to a group of students, which fact would the instructor include?
a.It is produced by the anterior pituitary.
b.It causes the retention of water by the kidneys.
c.It is released by the hypothalamus.
d.It causes the retention of sodium by the kidneys.

Answer 2

b

Question 3

The endocrine glands
a.form part of the communication system of the body.
b.cannot be stimulated by hormones circulating in the blood.
c.cannot be viewed as integrating centers of reflex arcs.
d.are only controlled by the hypothalamus.

Answer 3

a

Question 4

The hypothalamus maintains internal homeostasis and could be considered the master endocrine gland because
a.it releases stimulating hormones that cause endocrine glands to produce their hormones.
b.no hormone-releasing gland responds unless stimulated by the hypothalamus.
c.it secretes releasing hormones that are an important part of the HPA.
d.it regulates temperature control and arousal as well as hormone release.

Answer 4

c

Question 5

The posterior lobe of the pituitary gland
a.secretes a number of stimulating hormones.
b.produces endorphins to modulate pain perception.
c.has no function that has yet been identified.
d.stores ADH and oxytocin, which are produced in the hypothalamus.

Answer 5

d

Question 6

After teaching a group of students about the negative feedback system, identification of which of the following as an example would indicate that the students have understood the teaching?
a.Growth hormone control
b.Prolactin control
c.Melanocyte-stimulating hormone control
d.Thyroid hormone control

Answer 6

d

Question 7

Internal body homeostasis and communication are regulated by
a.the cardiovascular and respiratory systems.
b.the nervous and cardiovascular systems.
c.the endocrine and nervous systems.
d.the endocrine and cardiovascular systems.

Answer 7

c

Question 8

Hormones exert their influence on human cells by influencing which of the following?
a.Enzyme-controlled reactions
b.Messenger RNA
c.Lysosome activity
d.Transcription RNA
e.Cellular DNA
f.Cyclic AMP activity

Answer 8

a,b,e,f

Question 9

The specific criteria that define a hormone would include which of the following?
a.It is produced in small amounts.
b.It is secreted directly into the bloodstream.
c.It is slowly metabolized in the liver and lungs.
d.It reacts with a specific receptor set on a target cell.
e.A mechanism is always available to immediately destroy it.
f.It can change a cell’s basic function.

Answer 9

a,b,d

Question 10

Some endocrine glands do not respond to the HPA. These glands include the
a.thyroid gland.
b.ovaries.
c.parathyroid glands.
d.adrenal cortex.
e.endocrine pancreas.
f.GI gastrin-secreting cells.

Answer 10

c,e,f