Clinical Chemistry: Blood gases, pH and Buffer Systems

True or False?
Base excess is a blood gas parameter that measures the deviation from the normal buffer base and can be either positive or negative.
True False

True or False?
an increased p50 causes a shift of the oxygen dissociation curve to the left.
True False

Upon receiving an arterial specimen for blood gases in the lab, you observe that it was not maintained under strict anaerobic conditions. You refuse to analyze the specimen. You base your decision on the premise that the following parameters have been altered:

You have determined the following blood gas parameters on a patient with emphysema. Calculate the total carbon dioxide content in mEq/L
pH= 7.20 HCO3= 20 mEg/L pO2=60mmHg pCO2= 100 mmHg BE= +4

True or False?
Arterialized blood is always an acceptable alternative to arterial blood providing you warm up the puncture site before obtaining the specimen.
True False

The solubility coefficient of carbon dioxide in plasma is:

Which of the following forms of the Henderson Hasselbalch equation is (are) correct?

What is true about partially compensated respiratory alkalosis are true:

A shift of the oxygen dissociation curve to the right, resulting in a decreased affinity of hemoglobin oxygen, may be due to:

A patient is admitted to the ER in a state of metabolic alkalosis. Which of the following would most likely be consistent with this diagnosis?

Metabolic acidosis is described as a (n)

A common cause of respiratory alkalosis is:

In an enzyme activity assay, the concentration of a coenzyme: