Calc

Question 1

1 Tsp

Answer 1

5 mL

Question 2

1 Tbsp

Answer 2

15 mL

Question 3

1 fl Oz to mL

Answer 3

30 mL

Question 4

1 cup to Oz

Answer 4

8 Oz

Question 5

1 pint to Oz

Answer 5

16 Oz

Question 6

1 quart to pints

Answer 6

2 pints

Question 7

1 gallon to quarts

Answer 7

4 quarts

Question 8

1kg to lbs

Answer 8

2.2 lbs

Question 9

1 Oz to grams

Answer 9

28.4g

Question 10

1 lbs to grams

Answer 10

454 grams

Question 11

1 Grain to mg

Answer 11

65 mg approx

Question 12

Inches to Cm

Answer 12

2.54 Cm

Question 13

What is the Phenytoin Corrected (mcg/mL) Equation?

Answer 13

Phenytoin Corrected (mcg/mL) = Total Phenytoin Measured / (0.2 x albumin) + 0.1

Question 14

What does % W/V = mean?

Answer 14

% W/V = g/100mL

Solid mixed into a liquid

Question 15

What is % v/v ?

Answer 15

% v/v = mL / 100mL
Liquid mixed into a liquid

Question 16

What is % w/w mean?

Answer 16

%w/w = g/100g

Solid mixed into a solid

Question 17

How many grams NaCl are in 500 mL of 1/2 NS? Round to the nearest hundredths

Answer 17

0.45% of 500mL is 2.25g

Question 18

Prepare a 3% w/w coal tar with petrolatum to 150g

Answer 18

3% of 150g = 4.5g coal tar
150g preparation - 4.5g coal tar = 145.5 mg petrolatum

Question 19

Express 0.04% as a ratio strength

Answer 19

1:2,500

Question 20

Express 1:4,000 as a % strength

Answer 20

0.025%

Question 21

If I was going from a ratio strength to a percentage strength, how would I do this?

Answer 21

% strength = 100 / Ratio strength

Question 22

How would I go from percentage strength to ratio strength

Answer 22

Ratio strength = 100 / % strength

Question 23

Express 0.00022% w/v as PPM. Round to the nearest tenths place

Answer 23

2.2ppm

Question 24

Express 5 PPM of iron in water as a %

Answer 24

0.0005%

Move the decimal places 4 places back or forth

Question 25

What is the equation for specific gravity

Answer 25

Specific Gravity = g / mL

Question 26

What is the specific gravity of 150 mL of glycerin weighing 165 grams? Round to the nearest tenths

Answer 26

Specigic gravity = 1.1

Question 27

A pharmacist has an order for PN that includes 550 mL of D70%. The pharmacist finds the closest strength he has is D50%. How many mL of D50% will provide an equivalent energy requirement?

Answer 27

Dilution and Concentration Q1 x C1 = Q2 x C2 Q1= Old quantity C1= Old concentration Q2= New quantity C2= New Concentration Q1= 550mL C1= D70% Q2= X mL of D50% C2= D50% Q2= 770mL of D50%

Question 28

What is the equation for mOsmol/L?

Answer 28

mOsmol/L = weight (g/L) / MW (g/mole) x (# of particles) x 1,000

Question 29

What is the Isotonicity equation?

Answer 29

E = (58.5)(i) / (MW of the drug)(1.8) E value is the relationship between the amount of drug that produces a particular osmolarity and the amount of NaCl that produces the same osmolarity i is the dissociation factor

Question 30

What is the equation for mols?

Answer 30

mols = g/ MW

Question 31

What is the mmols equation?

Answer 31

mmols = mg/MW

Question 32

What is the mEq Equation

Answer 32

mEq = (mg x valence) / MW