Urinary System 1 Flashcards Preview

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Flashcards in Urinary System 1 Deck (11):
1

Which part of the kidney receives a greater blood volume, medulla or cortex?

Cortex

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2

What are the layers of the filtering membrane of the glomerulus?

Fenestrated endothelial cells Glomerular basement membrane (double membrane) Podocytes (visceral epithelial cells)

3

Where does the nephrin reside?

Slit pore diaphragm

4

The glomerular filtration apparatus is a selective filter that prohibits the passage of which types of molecules?

Large Negatively charged

5

Where do juxtaglomerular cells reside?

Afferent arteriole

6

What structure resides within the distal tubule?

Macula densa

7

Which cells produce renin?

Juxtaglomerular cells

8

An increase in SNGFR (single nephron glomerular filtration rate) can lead to what type of injury to those remaining glomeruli?

Hyperfiltration injury, which can lead to sclerosis and end-stage renal disease

9

Is the blood pressure through the glomerulus high or low?

High

10

List 5 functions of the kidney

1. Maintain acid/base balance 2. Regulate water volume 3. Maintain ion balance 4. Rid metabolic wastes (urea, creatinine) 5. Endocrine functions

11

How might a decrease in renal mass can lead to anemia?

Decreased erythropoietin production