Knowledge Practice Questions – Complete
Answer Key
Add these fractions: 1/3 + 1/6 = ?
a. 1/3
b. 1/6
c. 1/2
d. 1/9 --Correct ANW:c. 1/2
Convert 75% to a fraction:
a. 2/3
b. 2/4
c. 1/4
d. 3/4 --Correct ANW:d. 3/4
Convert this fraction to a decimal: 4/5
a. 0.4
b. .8
c. .4
d. 0.8 --Correct ANW:d. 0.8
Divide these fractions: 4/5 x 3/8 = ?
a. 12/40
b. 32/15
c. 15/32
d. 2 and 2/15 --Correct ANW:d. 2 and 2/15
Find the mean of these four numbers: 1,3,5,7
a. 4
b. 5
c. 6
d. 7 --Correct ANW:a. 4 1+3+5+
Find the median of these six numbers: 20,22,24,26,28,30
a. 24
, b. 26
c. 25
d. 20 --Correct ANW:c. 25
How many milliliters are in a fluid ounce?
a. 30
b. 15
c. 5
d. 473 --Correct ANW:a. 30
How much does a liter of ethanol, which has a specific gravity of 0.787, weigh
compared to a liter or water?
a. A trick question, they weigh the same
b. 213 milligrams less than water
c. 213 grams less than water
d. None of the above --Correct ANW:d. None of the above
Identify which statement about DEA numbers is TRUE.
a. If the holder of the DEA number is a mid-level practitioner, the first letter will always
be "A" and "B".
b. The second letter of the DEA number is always the last letter of the holder's first
name
c. The seventh number is always the last number of the sum of the odd group and
double the sum of the even group
d. The first, third and fifth numbers are called the even group, and the second, fourth
and sixth numbers are called the odd group --Correct ANW:c. The seventh number is
always the last number of the sum of the odd group and double the sum of the even
group
If 50 tablets cost $28.00, how much does 25 tablets cost?
a. $14.00
b. $15.00
c. $16.00
d. $20.00 --Correct ANW:a. $14.00 50/28.00 * 25
If a doctor requests an IV drip of half-normal saline for a patient, what should the ratio of
sodium chloride to water be?
a. 0.45 g NaCl in 100 mL of water
b. D10 in 100mL of water
c. 0.225 g NaCl in 100 mL of water
d. D5NS in 0.9% NaCi --Correct ANW:a. 0.45 g NaCl in 100 mL of water
If a doctor writes a prescription for 200 ml of a solution with a concentration of 1:1000,
and you know that 1,000 mL of the solution has 30 grams of medication in it, how much
medication should 200 ml of solution have in it?
a. 30