Acidosis and Alkalosis Flashcards

1
Q

Fat tissue holds ______ water so obese people hold _______

A

less

Lower water content by weight

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2
Q

Fluid compartments for average 70 kg man

A

25 L ICF

15 L ECF (10 interstital and 5 blood)

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3
Q

As water passed from blood to urine _____

A

Water replenished from ICF

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4
Q

ICF higher electrolytes

A

Potassium, inorganic phisphate

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5
Q

ECF Higher electrolyters

A

Na, Cl, HCO3

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6
Q

mEq equation

A

mmol X Abs(charge)

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7
Q

Buffers consist of

A

Weak acid and conjugate base

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8
Q

Buffers can compensate

A

WIthin 1 pH unit of pKa of acid

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9
Q

3 sources of acids in adults

A

Non-volatile (digestive)
Organic (normal metabolism)
CO2 (from O2 use by muscles)

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10
Q

CO2 combines with _____ to form _____

A

H2O

H2CO3

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11
Q

Non-volatile acids quantity

A

Minor (50-100 mEq)

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12
Q

Organic acids concentration

A

Thousands of mmol per day

Metabolized to neutral organic compounds

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13
Q

Organic acid concentration of ECF

A

Low and at steady state

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14
Q

Carbon dioxide is ____

A

major buffering system of ECF

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15
Q

Acid base balance from rapid to long-term

A

Normal pulmonary excretion of CO2
Metabolic utilization of organic acids
Renal excretion of non-volatile acids

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16
Q

Acidemia vs. acidosis (same with alkalosis and alkalemia()

A

Acidemia - blood pH below normal range

Acidosis - process that lowers ECF pH

17
Q

Metabolic acidosis/alka

A

Changes serum HCO3 concentrations and pH

18
Q

Metabolic acid/alk response

A

Respiratory response moving pCO2 in same direction as HCO3 change

19
Q

Respiratory acid/alk

A

CHanges arterial CO2 and pH

20
Q

Respiratory response

A

Initial - Change in HCO3 by buffering

Later - Renal response changing HCO3 in same direction of pCO2

21
Q

Met acid - cause and response

A

cause - HCO3 dec

Resp - pCO2 dec via resp

22
Q

Resp acidosis cause and resp

A

cause - pCO2 inc
Acute - HCO3 inc via buffer
Chronic - HCO3 inc via renal

23
Q

Met alkalosis - cause and response

A

Cause - HCO3 inc

Resp - pCO2 in via resp

24
Q

Resp alkalosis - cause and response

A

Cause - pCO2 dec
Acute - HCO3 dec via buffer
Chronic - HCO3 dec via renal

25
Q

hyperventaltion incdicates

A

metabolic acidosis

26
Q

Deeper, slower breaths indicates

A

Metabolic alkalosis

27
Q

Initial diagnosis

A

Serum electorlyters (HCO3)

28
Q

Definitive diagnosis

A

Serum pH and pCO2

29
Q

Essential to collect

A

Patient hisotry

30
Q

Vomiting causes

A

Metabolic alkalosis

31
Q

Hypovolemia (what is it and what does it cause)

A

Low volume from diarrhea

Lactic acidosis

32
Q

Aspirin poisoning

A

Acidosis

33
Q

SID

A

Strong ion difference

Cation - anion

34
Q

Decrease in SID difference causes

A

acidosis

35
Q

Mechanism of SID changing pH

A

POsitive charges must equal negative…body compensates by increasing H+ ions

36
Q

Hyperchloremic acidosis

A

Caused often from fluid resusciation

37
Q

How to avoid SID changes

A

Ringer’s/Hartmann’s solutions
Ringers - bicarb
Hartmann’s - lactate
Replaces Cl with something else