Electrolytes - Toxicology

Which route of administration is associated with 100% bioavailability?

• Sublingual

• Intramuscular

• Oral

• Intravenous

2. The phrase “first-pass hepatic metabolism” means that:

• A. One hundred percent of a drug is excreted by the liver

• B. All drug is inactivated by hepatic enzymes after one pass through the liver

• C. Some drug is metabolized from the portal circulation, reducing bioavailability

• D. The drug must be metabolized in the liver to an

   active form

The counter ion of sodium is:

The countercurrent ion of sodium is:

The other name for aspirin is:

• Acetylsalicylic acid

• Depakene

• Tylenol

• Cordarone

Cause of “Red Man Syndrome”

What is the normal ratio of bicarbonate to dissolved carbon dioxide (dCO2:HCO3) in arterial blood?

What is the reference (normal) range for arterial pH?

Which of the following contributes the most to

the serum total CO2?

• PCO2

• dCO2

• HCO3

• Carbonium ion

Which of the following effects results from exposure of a normal arterial blood sample to room air?

• PO2 increased, PCO2 decreased, pH increased

• PO2 decreased, PCO2 increased, pH decreased

• PO2 increased, PCO2 decreased, pH decreased

• PO2 decreased, PCO2 decreased, pH decreased