Dosage Calculations and Proportions

This video tutorial explains a multi-step dosage calculation problem involving Keflin. It begins with setting up proportions using given data, then demonstrates converting units from grams to milligrams. The tutorial guides viewers through solving the proportion by cross-multiplying to find the unknown quantity of cc's needed. The final answer is provided, ensuring a clear understanding of the process.

What is the initial dosage of Keflin ordered for the patient?

• 250 milligrams

• 100 milligrams

• 500 milligrams

• 750 milligrams

What is the concentration of Keflin after adding sterile water to the vial?

• 0.5 grams per cc

• 1 gram per cc

• 2 grams per cc

• 0.25 grams per cc

What mathematical method is used to solve the dosage calculation problem?

• Subtraction

• Proportions

• Division

• Addition

Why is a unit conversion necessary in this dosage calculation?

• To convert milligrams to grams

• To convert cc to liters

• To convert grams to milligrams

• To convert grams to kilograms

How many milligrams are equivalent to 0.5 grams?

• 1000 milligrams

• 100 milligrams

• 250 milligrams

• 500 milligrams

What is the value of 'y' in the conversion proportion?

• 100

• 1000

• 250

• 500

What is the final proportion used to solve for the unknown 'x'?

• 500 milligrams to 2 cc

• 500 milligrams to 1 cc

• 250 milligrams to 2 cc

• 250 milligrams to 1 cc

What is the value of 'x' after solving the final proportion?

• 0.25 cc

• 0.5 cc

• 1 cc

• 2 cc

How many cc's of Keflin should be administered to the patient?

• 0.25 cc

• 0.5 cc

• 1 cc

• 2 cc

What is the key takeaway from this dosage calculation example?

• Always use addition for dosage calculations

• Unit conversion is unnecessary

• Proportions are essential for solving dosage problems

• Dosage calculations are always simple