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Pharmacy Calculations
Self-Study
9
Pharmacology
Professional
08/25/2013

Additional Pharmacology Flashcards

 


 

Cards

Term

What is a ratio

 

what are like numbers

Definition

the relative magnitudes of two like numbers

 

In story problems, like numbers are numbers with the same units

Term

Define the relationship between two amounts

 

when can it be used

Definition

simple related terms have numerical values units

 

can be used to construct conversion factors and proportions

Term

What are direct proportions

 

what can be directly proportional

Definition

as one value doubles, an associated value double

 

ratios or related terms

Term

what are inverse proportions? 2

 

what is one example of this? explain

Definition

less common than direct proportions

 

as one value goes up, the related value goes down

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Dilutions:  when we dilute something, the volume goes up but the concentration goes down

Term

what is important to know when using inverse proportions

 

2

Definition

always use ratios

 

put the related  terms in opposite positions

Term

what is important to know when using proportions to solve complex calculations

 

2

Definition

requires multiple steps

 

allows us to see our intermediate answers and more easily identify our mistakes

Term

What is dimensional analysis

 

2

Definition

solution can be deduced by the units that the answer should have

 

use a string of related terms that are placed such that their units cancel to those that you have determined for the answer

Term
1 kg= how many pounds
Definition
2.2 pounds
Term

benefits of dimensional analysis

 

3

Definition

efficient

 

hard to identify your mistakes

 

if you have a substance that doesn't look right, make sure you label you rnumbers with both units and substance

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