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Flashcards in Electrolytes Deck (16)
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1

Dietary Potassium

1. Bananas
2. Oranges
3. Potatoes
4. Grapefruit
5. Tomatoes

2

Dietary Potassium

1. Bananas
2. Oranges
3. Potatoes
4. Grapefruit
5. Tomatoes

3

This is the most important intracellular cation

Potassium

4

This is the most important extracellular cation

Sodium

5

Keeping a resting membrane potential requires _______.

Energy in order to keep some K+ outside and some Na+ inside (Na/K ATPase Pump)

6

Definition of Normal Potassium Homeostasis

Dietary Potassium intake must equal potassium excretion

7

On average, how much potassium to we intake daily?

70-100 mEq

8

About how much potassium is excreted daily? What controls this?

90%; Aldosterone

9

About how much potassium is absorbed in the GI tract?

10%

10

This is the most important intracellular cation

Potassium

11

This is the most important extracellular cation

Sodium

12

Keeping a resting membrane potential requires _______.

Energy in order to keep some K+ outside and some Na+ inside (Na/K ATPase Pump)

13

Definition of Normal Potassium Homeostasis

Dietary Potassium intake must equal potassium excretion

14

On average, how much potassium to we intake daily?

70-100 mEq

15

About how much potassium is excreted daily? What controls this?

90%; Aldosterone

16

About how much potassium is absorbed in the GI tract?

10%