Textbook Question
Describe the mechanisms that contribute to renal autoregulation.
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25. The Urinary System
Renal Physiology: Regulation of Glomerular Filtration
Back25. The Urinary System
Renal Physiology: Regulation of Glomerular Filtration
- Textbook Question
In a normal kidney, which of the following conditions would cause an increase in the glomerular filtration rate (GFR)?
(a) Constriction of the afferent arteriole
(b) A decrease in the pressure of the glomerulus
(c) An increase in the capsular hydrostatic pressure
(d) A decrease in the concentration of plasma proteins in the blood
(e) A decrease in the net glomerular filtration process
1views - Textbook Question
Changing the luminal diameters of the afferent and efferent arterioles to alter the GFR can be an example of
(a) Hormonal regulation
(b) Autonomic regulation
(c) Autoregulation
(d) All of these
3views - Multiple ChoiceIncreased water reabsorption in the descending limb of the nephron loop will result in which of the following?
- Multiple ChoiceThe filtration pressure in the glomerulus is determined by the balance of which two pressures?
- Multiple ChoiceWhich statement is correct regarding reabsorption in the nephron?
- Multiple ChoiceAs tubular fluid flows through the renal tubules, what percentage of the fluid is typically reabsorbed?
- Textbook Question
Describe the mechanisms of extrinsic regulation of GFR, and their physiological role.
1views - Multiple ChoiceWhat occurs when plasma glucose concentration exceeds the renal plasma threshold?2views
- Multiple ChoiceWhich kidney process is always active and always requires energy to occur?
- Multiple ChoiceWhich of the following will result in a decrease of glomerular filtration rate (GFR)?
- Textbook Question
Drugs that treat hypertension, or high blood pressure, have the following actions. Discuss the specific effect that each drug will have on the kidneys.
b. Blocking the receptor for angiotensin-II on blood vessels and in the renal tubule cells
- Multiple ChoiceWhich combination of changes would increase the glomerular filtration rate (GFR) the most?1views
- Textbook Question
What interacting controls stabilize the glomerular filtration rate (GFR)?
1views - Multiple ChoiceWhich of the following forces opposes glomerular filtration?1views