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50 Cards in this Set

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  • Back

RAAA what is this?

four hormones that increase blood pressure.

RAAA what are they?

Renin.


angiotensin II.


ADH.


Aldosterone.

this hormone decreases blood pressure

Atrial natriuretic peptide.

What are the hormones that are not part of the RAAA system

Atrial natriuretic peptide


Epinephrine


norepinephrine.

Angiotensin II is stimulated by this

low blood pressure.

This is the most important hormone

angiotensin II

This is the sensor for angiotensin II

special kidney cells secrete renin.

Renin does this

converts Angiotensinogen to Angiotensin I



Angiotensinogen comes from here

Liver

Angiotensinogen is activated to angiontensin II by this

ACE. Angiotensin converting Enzyme

ACE comes from here

the lungs.

Angiotensin II does this

Widespread vasoconstriction


Stimulates adrenal cortex to secrete aldosterone


Stimulates posterior pituitary to secrete ADH

Widespread vasoconstriction does this

increases blood pressure

ACE inhibitors are used for this

high blood pressure/ chronic hypertension.

ADH is stimulated by this

Low BP and dehydration

this is the ADH sensor

osmoreceptors in the hypothalamus

osmoreceptors do this

sense blood osmolarity.

osmoreceptors are found here

hypothalamus

ADH is secreted from her into here

Hypothalamus to the posterior pituitary

The control center for low BP and dehydration with is this

hypothalamus secretes ADH into the posterior pituitary

ADH is called this

anti-diuretic hormone

the effector for low BP and dehydration

ADH acts on the kidney tubule to reabsorb water from the DCT and CD which increase blood volume to increase Blood pressure.

This is DCT, and it is located here

Distal convulating tubule in the kidney tubule

this is CD

Collecting duct in the kidney tubule.

Aldosterone is stimulated by this

low BP

This is the sensor for Aldosterone

Osmoreceptors in the hypothalamus

this hormone is release for aldosterone

CRH

CRH is this

corticotropin-releasing hormone

the control center for low bp in aldosterone is this

CRH stimulates ACTH release from the anterior pituitary. ACTH stimulates the adrenal cortex to release aldosterone.

ACTH is this

adrenocorticotropic hormone.

aldosterone comes from here

adrenal cortex via stimulation by ACTH.

The effector for low BP with regards to aldosterone is this

aldosterone acts on kidney tubule to reabsorb sodium and water from the DCT and CD which increase blood volume to increase BP.

Aldosterone and ADH are different in this way with regards to effect

ADH only does reabsorbs water


Aldosterone reabsorb sodium and water.

Aldosterone and ADH are the same in this way with regards to effect

both act on the kidney tubules to reabsorb things in the DCT and CD which increase blood volume which increase blood pressure.

an increase in blood volume does this

increase blood pressure

Atrial Natriuretic peptide is stimulated by this

high BP

The sensor for high blood pressure is this

atria sense blood pressure

Atrial natriuretic peptide is secreted from this

the heart, the atria to be exact

ANP is this

Atrial natriuretic peptide

Atrial natriuretic effectors are this

blocks renin (angiotensin)


blocks aldosterone which decrease sodium and water resabsorption to decrease blood pressure


blocks ADH


widespread vasodilation.

this hormone blocks these three things

atrial natriuretic peptide


renin


aldosterone


ADH

Atrial natriuretic peptide does this

decreases BP

blocking Aldosterone would do this

decrease sodium and water reabsorption which decrease blood volume and decrease blood pressure.

adrenal cortex secretes this

aldosterone

adrenal medulla secretes this

epinephrine and norepinephrine

epinephrine and norepinephrine are stimulated by this

any stimulation of the sympathetic nervous system


(stress, exercise)

epinephrine and norepinephrine do this

vasodilation of vessels in the heart and muscles via B receptors.


vasoconstriction of vessels in other tissues via a receptors which increases blood pressure.

Beta receptors do this

vasodilation vessels. as in heart and skeletal muscle from EPI NE release.

Alpha receptors do this

Constriction of vessels. as in other tissues via EPI and NE.

Alpha receptors would do this to BP

increase BP by constricting repro, digestive, urinary vessels.