Flashcard Set Preview
| Side A | Side B | ||
| 1 |
Normal pH is 7.35-7.45. What is considered acidosis and what is considered alkalosis?
|
pH < 7.35 (an increase in H+) = acidosis
pH > 7.45 (a decrease in H+) = alkalosis
|
|
| 2 |
What does the equation for the Law of Mass Action say?
K HB = [H+][B]/[HB]
|
At equilibrium, the ratio of the product of the concentration of the dissociated [H+] and the...
|
|
| 3 |
What is the Henderson Hasselbalch equation?
|
[H+] = K HB x [HB]/[B]
|
|
| 4 |
What percentage of total buffering capacity is in body fluids?
|
60%
|
|
| 5 |
What percentage capacity are the following buffer systems in our body?
hemoglobin/oxyhemoglobin:
plasma...
|
hemoglobin/oxyhemoglobin: 30%
plasma proteins: (pK=7.4) 7%
inorganic/organic phosphates:...
|
|
| 6 |
What do the following terms mean?
metabolic acidosis:
metabolic alkalosis:
respiratory...
|
metabolic acidosis: gain in H+ or loss of HCO3-
metabolic alkalosis: gain in HCO3- or loss...
|
|
| 7 |
What are the primary causes of metabolic acidosis?
|
lactic acidosis
ketoacidosis
renal failure
ingestion of base depleting drugs
|
|
| 8 |
What are the primary causes of metabolic alkalosis?
|
hypokalemia
excessive vomiting
massive steroid dose
diuretics
increased k secretion
ingestion...
|
|
| 9 |
What are the primary causes of respiratory acidosis?
|
cardiopulmonary disease
copd
cns depression
neurologic/neuromuscular diseases that weaken
...
|
|
| 10 |
What are the primary causes of respiratory alkalosis?
|
hyperventilation
hypoxemia
compensation for metabolic acidosis
cns stimulation
emotional...
|
|
| 11 |
What are the compensatory mechanisms for acid/base disturbances?
|
> buffer systems which act immediately
> respiratory compensation - controls pCO2 and...
|
|
| 12 |
What is BE?
|
The base excess is the quanitity of extra base above normal (principally bicarbonate ions)...
|
|
| 13 |
True or False
Increase in pCO2 without an increase in HCO3- so as to decrease the...
|
True
|
|
| 14 |
True or False
A pH change due primarily to changes in HCO3- (and other anions) is...
|
True
|
|
| 15 |
The following symptoms signify which of the following - metabolic acidosis, respiratory acidosis,...
|
respiratory acidosis
|
|
| 16 |
The following symptoms signify which of the following - metabolic acidosis, respiratory acidosis,...
|
respiratory alkalosis
|
|
| 17 |
The following symptoms signify which of the following - metabolic acidosis, respiratory acidosis,...
|
metabolic alkalosis
|
|
| 18 |
True or False
Acids are substances capable of donating protons.
Bases are...
|
True
|
|
| 19 |
What is the normal partial pressure of Oxygen (pO2) and what does it reflect?
|
Normal value is between 80-104 mmHg
It reflects the amount of oxygen dissolved in...
|
|
| 20 |
What is a normal value for arterial oxygen saturation and what does it tell us?
|
Normal saturation is >94%
This measure is of the percentage of O2 combined with...
|
No comments yet! Be the first to add a comment below!
Please login to post comments.
After login, we will forward you back to this flashcard.