The video tutorial explains how to calculate the dosage of a drug based on a client's body weight using proportions. It starts with a problem statement, then describes how to set up and solve proportions, including converting units from pounds to kilograms. The tutorial concludes with calculating the final dosage in milligrams.

What is the initial step in solving a dosage calculation problem?

• Guessing the dosage

• Setting up a proportion

• Converting units

• Using a calculator

In the context of proportions, what must be true for cross-multiplication to be valid?

• The units of a and d must be different

• The units of b and d must be different

• The units of a and c must be the same

• The units of a and b must be the same

What is the first rate used in the dosage calculation?

• 1 kilogram to 2.5 milligrams

• 2.5 milligrams to 1 kilogram

• 2.5 milligrams to 1 pound

• 1 milligram to 2.5 kilograms

What is the unknown variable in the second rate of the dosage calculation?

• y kilograms

• w grams

• x milligrams

• z pounds

Why is it necessary to convert pounds to kilograms in this problem?

• To simplify the calculation

• To match the units in the proportion

• To avoid using a calculator

• To make the problem more complex

What is the conversion factor used to convert pounds to kilograms?

• 2.2 kilograms = 1 pound

• 2.2 pounds = 1 kilogram

• 1 pound = 2.2 kilograms

• 1 pound = 1 kilogram

After converting 140 pounds to kilograms, what is the equivalent weight in kilograms?

• 70 kilograms

• 50 kilograms

• 63.64 kilograms

• 140 kilograms

What is the purpose of rounding the conversion result to two decimal places?

• To make the calculation easier

• To ensure accuracy in the final dosage

• To simplify the conversion

• To avoid using a calculator

What is the final step in determining the dosage in milligrams?

• Dividing the weights

• Cross-multiplying the final proportion

• Subtracting the weights

• Adding the weights

How many milligrams of medication should the client receive?

• 2.5 milligrams

• 159.1 milligrams

• 140 milligrams

• 63.64 milligrams