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Anatomy and Physiology II: Chapter 25
Terms in this set (30)
Diabetes insipidus or diabetes Mellitus would most likely be indicated by
The color of urine is determined mainly by
Byproducts of red blood cells break down
Production of less than 50 mL/day of urine is called
Peristaltic contractions occur in the
Somatic motor neurons must be __________ to relax the external urethral sphincter to allow urination
Which part of the urinary system is not completely retroperitoneal?
The renal pyramids are separated from each other by extension of the renal cortex called
The primary structure found within the medulla is the
Loop of Henle
The right kidney is slightly lower because
It is displaced by the liver
Blood filtrate is captured in the lumen of the
What are the names of the capillaries following the afferent arteriole?
Peritubular and vasa recta
What's your unit of the kidney is called
_________ pressure must be greater on the capillary side of the filtration membrane to achieve filtration.
Production of urine to modify plasma make up is the result of
Filtration, absorption, and secretion
Systemic blood pressure must stay above 60 so that the proper amount of filtration occurs
Aquapourin channels are only found in the collecting duct
Most absorption and secretion occurs in this part of the nephron
Proximal convoluted tubule
The fine tuning of water recovery or disposal occurs in
The collecting ducts
Vasodilation of blood vessels to the kidneys is due to
Less frequent action potentials
When blood pressure increases, blood vessels supplying the kidneys will _____________ to mount a steady rate of filtration
Which of these three pancreatic chemicals cause vasodilation?
What hormone directly opposes the action of natriuretic hormones?
Which of these is a vasoconstrictor?
What signal causes the heart to secrete a trio natriuretic hormone?
Increase blood pressure
Which of these beverages does not have a diuretic effect?
Progesterone can bind to receptors for which hormone that, when released, activates water retention?
Renin is released in response to
Which step in vitamin D production does the kidney perform?
Converts calcidiol into calcitriol
What hormone does the kidney produce that stimulates red blood cell production?
If there were no Aquaphor and channels in the collecting duct,_______
You would suffer severe dehydration
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