Fluid Balance and Endocrine Regulation

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Can you name the HYTQ?

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QuestionAnswer
Which ADH receptors are found in the arterioles?
angiotensin II acts in the brain by using the ______ organs to bypass the blood brain barrier.
True or False: The V2 receptor activates adenylyl cyclase, increasing cAMP levels, activating protein kinase A, which activates aquaporin 2 channels at the collecting duct of the k
What is angiotensin II affect on blood vessels?
What hormone is released by the adrenal cortex can act on the liver stimulating angiotensinogen?
Information from the left atria, aortic arch, and carotid sinus is detected baroreceptors and sent to the brainstem via which two nerves?
a decrease in blood volume as detected by the baroreceptors of the kidney cause the release of what hormone?
Where is angiotensin converting enzyme found?
angiotensin II acts at the zona glomerulosa of the adrenal cortex to produce what hormone?
Where is renin made?
The osmoreceptors in the brain project to which 2 nuclei of the hypothalamus?
Where are the brain osmoreceptors located?
What organ is really important for the regulation of Na and Water levels?
with a ____ in water intake, osmolality increases
True or False: angiotensin can act at sympathetic nervous system to inhibit the release of norepinephrine.
an increase in water intake causes a _____ in osmolality
Which ADH receptor is responsible for its actions on the kidney?
True or False: The parasymapthetic nervous system is involved in promoting the secretion of renin.
Angiotensin II binds to what receptor on the JG cells to inhibit renin secretion?
True or False: angiotensin II is a negative feedback regulator of renin secretion.
True or False: The macula densa cells detect a decrease in Na filtration then through a paracrine mechanism renin is released by the JG cells.
Where in the kidney does angiotensin II act to increase water and sodium intake?
True or False: ANP and BNP promote Na excretion and water excretion.
angiotensinogen is made in the _____.
Where are the 2 natriuretic peptides made?
known biomarker of heart failure
True or False: Thirst is activated by shrinkage of osmoreceptors in the brain.
QuestionAnswer
The actions of ANP and BNP primarily oppose the affects of what hormone?
What natriuretic peptide is made by atrial myocytes?
major sites of action for aldosterone in the kidney (2 places)
When plasma is hyposmolar, Is urine volume increased or decreased?
enzyme responsible for converting angiotensin I to angiotensin II
with a decrease in osmolalilty, cell in the body shrink or swell?
Total volume of Body Water (L)
True or False: Aldosterone acts at the collecting duct and distal tubule of the kidney to promote reabsorption of Na and Cl.
True or False: The secretion of ANP is controlled by activation of stretch receptors in the atria of the heart.
Where in the kidney does ADH act to increase water resorption?
What natriuretic peptide is made by ventricular myocytes?
When sodium is ingested, what happens to the osmolality of the body's fluids?
True or False: Angiotensin II can act in the brain to increase water and sodium intake.
When osmolality ____, cells in the body shrink
primary control point for the production of angiotensin II
caused by inadequate synthesis or release of ADH due to a head injury or brain tumor. It results in large volumes of urine.
pathological problem that occurs when kidney fails to respond to ADH due to defective V2 receptors or aquaporin 2. causes production of large volumes of urine with normal levels of
true or false: angiotensin II is produced in the blood.
What type of catecholamine receptors are located on JG cells promoting renin secretion?
Receptor for ANP and BNP
True or False: ADH increases urine volume.
What are the 2 natriuretic peptides?
Swelling of osmoreceptors inactivates neurons in the SO and PVN nuclei decreasing or inhibiting synthesis and release of ADH at the posterior pituitary.
shrinkage of osmoreceptors due to a decrease in water intake (hyperosmolar) activates the neurons in the SO and PVN nuclei of the hypothalamus to induce secretion of what hormone?
What is ANP and BNP's affect on blood vessels?
cells in the brain that detect changes in osmolality of the extracellular fluid
True or False: Aldosterone acts to increase water excretion.

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