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NUR 406 > Acid Base > Flashcards

Acid Base Flashcards

1
Q

pH

A

potential or power of hydrogen
Scale identifies acidity/basic of solution

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2
Q

Is PH a negative or positive logarithm

A

Negative

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3
Q

when hydrogen concentration increases, pH __

A

Decreases, more acidic

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4
Q

when hydrogen concentration decreases, PH __

A

Increases, more basic

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5
Q

what is the most acidic substance in our body?

A

Stomach acid

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6
Q

T/F acids have more hydrogen ions and can donate them

A

True

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7
Q

do bases have more or less hydrogen ions?

A

Less, they accept hydrogen ions and give up hydroxide ions

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8
Q

hydrogen

A

Helps maintain cell membranes, and enzyme activity

component of water and hydration

Helps in energy production

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9
Q

what is a neutral pH?

A

7

When hydrogen ions equal hydroxide ions

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10
Q

what is the normal range of pH for the body?

A

7.35-7.45

Measured in serum blood

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11
Q

T/F PH is the same throughout the whole body

A

False

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12
Q

What occurs is HCl is outside of the stomach?

A

Damage can occur

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13
Q

which part of the stomach has a defense mechanism to neutralize the acid?

A

Duodenum

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14
Q

what does the LES prevent with stomach acid?

A

Backflow of gastric acid into the esophagus

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15
Q

what electrolytes are affected by pH range?

A

Sodium
Potassium
Chloride

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16
Q

oxyhemoglobin dissociation curve

A

More acidic solutions, give up, hemoglobin more at tissues

More alkalotic solutions don’t give up hemoglobin and struggle to oxygenate

17
Q

volatile acids

A

Can be converted to gas
Excreted by lungs
Carbonic acid H2CO3

18
Q

non-volatile acids

A

Lactic, phosphoric, sulfuric, acetoaecitic, beta hydroxybutyric acid

Not dissolved, or converted to gas

Eliminated by kidney

19
Q

what is the exception to nonvolatile acids?

A

Lactic acid

It is metabolized by the body – liver and kidney

20
Q

T/F the body produces more bases than acids

A

False

21
Q

is it more difficult to correct an acidic pH or alkalotic pH?

A

Alkalotic

22
Q

what value characterizes, alkalosis hypocapnia

A

7.0

23
Q

what pH value characterizes acidosis hypercapnia

A

7.8

NUR 406 (19 decks)

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