Pharm-Ch. 5

Question 1

Apothecary System

Answer 1

a very old system of measure that was specifically developed for use by apothecaries or pharmacists; it uses the minim as the basic unit of liquid measure and the grain as the basic unit of solid measure.

Question 2

Clark’s Rule

Answer 2

a method of determining the correct drug dose for a child based on the known adult dose (assumes that the adult dose is based on a 150-lb person); it states: child’s dose = [wt of child (lb)/150 lb] x avg. adult dose

Question 3

Conversion

Answer 3

finding the equivalent values between two systems of measure.

Question 4

Fried’s Rule

Answer 4

a method of determining a pediatric drug dose for a child younger that 1 year of age, based on the child’s age and the usual adult dose (assumes that an adult dose would be appropriate for a 12.5-yr-old child); it states child’s dose (age 1 yr) = [wt of child (lb)/150 lb] x avg. adult dose.

Question 5

Metric System

Answer 5

the most widely used system of measure, based on the decimal system; all units in the system are determined as multiples of 10.

Question 6

Ratio and Proportion

Answer 6

an equation in which a ratio containing two known equivalent amounts is on one side and a ratio containing the amount desired to convert and its unknown equivalent is on the other side.

Question 7

Young’s Rule

Answer 7

a method for determining pediatric drug dose based on the child’s age and the usual adult dose; it states child’s dose (age 1-12 yrs) = child’s age (yrs)/[child’s age (yrs) + 12 x avg adult dose].