renal physiology Flashcards

1
Q

kideny function

A

homeostatic regulation of water and ion content of blood
excrete metabolic waste product
produce hormones

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2
Q

interior of kidney has 2 layers

A

outer cortex

inner medula

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3
Q

how are the layers formed

A

use neurons

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4
Q

80% of neurons are

A

cortical

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5
Q

20% of neurons are

A

juxtamedullary

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6
Q

what makes up the renal corpuscle

A

Bowman and glomerus

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7
Q

from bowman the filtered flid will go to

A

proximal tubule

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8
Q

from the proximal tubule it will go down

A

loop of henle

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9
Q

vascular supply to the nephron

blood flows from …… arteriole to glomerulus and leaves into ………… and then ……. capillaries

A

afferent
efferent
peritubular

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10
Q

what are long peritubular capillaries which dip into medulla are called

A

vasa recta

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11
Q

renal capillaries join to form

A

venules

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12
Q

fluids are …… from ………. back to blood at ………… capillaries

A

reabsorbed
tubule
peritubular

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13
Q

autoregulation of GFR

A
  1. myogenic mechnism of regulation
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14
Q

second part of autoregulation of GFR

A

2.Tubuloglomrular feedback

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15
Q

clearance:

A

urine conc x urine flow rate/ plasma concentration

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16
Q

clearance:

A

urine conc x urine flow rate/ plasma concentration

17
Q

what makes filtration slits

A

Basal Lamina and podocyte

18
Q

where does reabs occur

A

proximal tubule
loop of Henle
Distal tubule
Collecting tubule

19
Q

does act transport occur in desc limb Loop of Henle

A

no

20
Q

which loop of Henle is impermeable to water

A

ascending

21
Q

form urine:

A

filtration, reabs, sec, amount exc