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Normal > Lesson 12 > Flashcards

Lesson 12 Flashcards

1
Q

3 renal functions

A

Urine formation
Homeostasis ( water salt balance and acid base)
Endocrine gland—> secretes hromones

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2
Q

1 function of renals

A

Excrete metabolic waste productions in the form of urine (waste tatken from the blood

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3
Q

Basic functional unit of the kidney

A

Nephron

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4
Q

How many nephrons and what do they do

A

Million

Filter blood

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5
Q

Locations of nephron

A

Cortex and medulla

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6
Q

Cortical nephrons are located mostly in _____ and have _____ loop of henle

A

Cortex

Shorter

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7
Q

Juxtranedullary nephrons are adjoining _______ and have ______ loop of henle

A

Medulla

Longer

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8
Q

Renal corpuscle made of

A

Glomerulus and bowmans capsule

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9
Q

Tubules are made of (3)

A

Proximal, loop of henle, distal convoluted tubules

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10
Q

3 functions occuring in the nephron

A

Filtration
Tubular reabsoption
Tubular secretion

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11
Q

What is tubular reabsorption

A

Substances needed by the body are reabsorbed into the blood

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12
Q

Tubular secretion is what

A

Waste products and excess water pass into collecting ducts as urine

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13
Q

2 lab test related to renal function

A

Serum creatinine

BUN

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14
Q

There may be a ______% loss of renal function before the blood levels are elevated on these tests

A

50%

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15
Q

Serum creatinine is formed

A

In muscle in small amounts, passed into blood and excreted in urine

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16
Q

Increase creatinine indicates

A

Disturbance in function

17
Q

urea is

A

End product of protein metabolism, normally low

18
Q

BUN level increase indicates

A

Function or perfusion impaired

19
Q

Possible reason for function imparment of renals

A

Dehydration
Urinary tract obstruction

Can lead to mental confusion, disorientation and coma

20
Q

Transient pyelectasis

A

This is considered normal
Happens when patient drinks a lot of water
Calyces and pyramids more anechoic more prominent
Resolves after patient empty bladder

If whole colecting system is anechoic than it is not normal

21
Q

3 sets of kidneys in embryo

A

Pronephros
Mesonephros
Metanephros

22
Q

Pronephro

A

Early in 4th week gestation

Rudimentary and non functioning

23
Q

Mesonephros

A

Late in 4th week

Function as interim kidney

24
Q

Metanephro

A

Permanent kidneys

25
Q

Metanephros develop from 2 sources

A

Ureteric bud and metanephrogenic blastema

26
Q

Ureteric bud contains

A

Ureteric bud
Renal pelvis
Calices
Collecting ducts

27
Q

Ureteric bud interats with and penetrates

A

The metanephrogenic blastema

28
Q

Kidneys travel from ____ to ____

A

Pelvis to RUQ

29
Q

Kidneys rotate ________ as they travel

A

Medially 90 degrees

Normal (21 decks)

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