Cortisol Flashcards

1
Q

The hypothalamic hormone that controls the release of adrenocorticotropic hormone, which acts on the adrenal cortex to secrete cortisol, is .

A

Corticotropin Releasing Hormone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Cortisol decreases bone formation by inhibiting activity.

A

Osteoblast

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

The immune and inflammatory responses are inhibited by cortisol by inhibition of and leukotriene production.

A

Prostaglandin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Gluconeogenesis, lipolysis, and proteolysis (increase/decrease) when there are high levels of cortisol.

A

INCREASE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

The highest release of cortisol is in the (morning/evening)

A

Morning

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Cholesterol desmolase, which catalyzes the first step of steroid hormone synthesis, is stimulated by .

A

ACTH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

In instance of high cortisol levels, insulin resistance (increases/decreases) .

A

INCREASES

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

High levels of cortisol lead to poor wound healing by inhibiting the activity of .

A

Fibroblasts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

The anterior pituitary hormone that controls the release of cortisol from the zona fasciculata is .

A

ACTH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The release of cortisol throughout the day is (constant/pulsatile) .

A

Pulsatile

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Cortisol (activates/inhibits) the release of adrenocorticotropic hormone by the anterior pituitary gland.

A

Inhibits

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The negative feedback of cortisol on the corticotropin-releasing hormone and adrenocorticotropic hormone axis are measured by the test.

A

Dexamethasone Suppression Test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Corticotropin-releasing hormone acts by the (adenylyl/guanylyl) cyclase mechanism on corticotrophs to release adrenocorticotropic hormone.

A

Adenylyl

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Cortisol acts to increase the sensitivity of receptors on arterioles to norepinephrine and epinephrine.

A

alpha-1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Cortisol is synthesized in the of the adrenal cortex.

A

Zona Fasciculata

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Cortisol inhibits the inflammatory and immune response by blocking the release of from mast cells.

A

Histamine

17
Q

Cortisol inhibits the inflammatory and immune response by blocking the production of interleukin- .

A

IL-2