Electrolytes Flashcards

1
Q

Dietary Potassium

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

Dietary Potassium

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

This is the most important intracellular cation

A

Potassium

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4
Q

This is the most important extracellular cation

A

Sodium

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5
Q

Keeping a resting membrane potential requires _______.

A

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

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6
Q

Definition of Normal Potassium Homeostasis

A

Dietary Potassium intake must equal potassium excretion

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7
Q

On average, how much potassium to we intake daily?

A

70-100 mEq

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8
Q

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

A

90%; Aldosterone

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9
Q

About how much potassium is absorbed in the GI tract?

A

10%

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10
Q

This is the most important intracellular cation

A

Potassium

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11
Q

This is the most important extracellular cation

A

Sodium

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12
Q

Keeping a resting membrane potential requires _______.

A

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

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13
Q

Definition of Normal Potassium Homeostasis

A

Dietary Potassium intake must equal potassium excretion

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14
Q

On average, how much potassium to we intake daily?

A

70-100 mEq

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15
Q

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

A

90%; Aldosterone

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16
Q

About how much potassium is absorbed in the GI tract?

A

10%