Final Key Words, Phrases, and In-Class Questions Flashcards
Pressure diuresis is the term for when you have:
Increased blood pressure, raising urinary volume excretion
T/F: Salt sensitivity is potentially inheritable through family lines.
True
The Kidneys are highly innervated by ____________ nerve fibers?
Sympathetic
Which of the following is NOT a major hormonal factor in the renal system?
A. Angiotensin II
B. Estradiol
C. Aldosterone
D. ADH (antidiuretic hormone/vasopressin)
B. Estradiol
The Big 4:
Angiotensin II, Aldosterone, ADH, Atrial Natriuretic Peptide
When regulating potassium balance: What is responsible for the increased secretion of catecholamines, causing movement of potassium into cells?
B-Adrenergic stimulation
T/F: The release of Atrial Natriuretic Peptide (ANP) results in an increase in GFR and an increase in sodium reabsorption.
False
Should be:
Increase in GFR and Decrease in sodium reabsorption
The presence of aldosterone stimulates the active secretion of _________ contained in the principle cells.
Potassium
Because of the pressure diuresis mechanism, the body should be able to handle an increase in fluid and salt intake with little net:
A. change in blood volume B. change in cardiac output C. change in arterial pressure D. all of the above E. none of the above
D. All of the above
Most HCO3- reabsorption occurs in the:
Proximal Tubule
H+ is secreted by ________________ in the proximal tubule.
Secondary active transport
What state is the body in when there is an increased reabsorption of HCO3- and tubular secretion of H+ is increased?
Acidosis
An increase in PCO2 will cause…
A fall in HCO3- will cause…
respiratory acidosis
metabolic acidosis
Impaired sodium excretion and electrolyte and fluid imbalance leading to cardiac insufficiency (and eventually death) is a result of….
kidney damage
Aldosterone stimulates…
active secretion of potassium of the principal cells in the late distal tubules and collecting ducts
A person is considered to have ____ when their pH increases above 7.4
Alkalosis