Systematic Acid-Base Classification
1. Inspect the pH (acidemia, alkalemia, or normal)
a. 7.40
2. Inspect the PaCO2 (respiratory component) Can it explain the pH?
a. 40mmHg
3. Inspect the HCO3 (metabolic component) Can it explain the pH?
a. 24 mEq/L
4. Check for compensation. Did the non-causative component respond appropriately?
5. Complete Acid-Base Classification
DIRECTIONS: Fill in the blanks or select the best answer.
1. The single best indicator of acid-base status in the body is the (PaCO₂, HCO₃, BE, pH).
2. The pH range generally considered compatible with life is ______ to ______.
3. (Acidosis Alkalosis) is a below normal pH in the blood.
4. (Acidosis Alkalosis) is a above normal pH in the blood.
Classify the following arterial blood pH measurements as normal, acidemia, or alkalemia.
a. 7.34
b. 7.20
c. 7.60
RESP 1040: Respiratory Care Procedures II
Laboratory #1 Report
d. 7.45
e. 7.32
f. 7.62
5. Regarding acid homeostasis, the specific role of the lung is to excrete ______ at exactly the same rate at which it is being produced by the tissues.
6. An increased PaCO₂ level in the blood is called (hypercarbia hypocarbia).
7. Classify the following PaCO₂ values as either a laboratory respiratory acidosis, normal, or respiratory alkalosis.
a. 30
b. 36
c. 45
d. 58
e. 20
f. 80
8. Any acid-base disturbance that is not respiratory in origin is called a ______ disturbance.
9. The two most commonly used metabolic indices in the basic classification of blood gases are the ______ and the ______.
10. The normal value for plasma bicarbonate in the arterial blood is ______ mEq/L.
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