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APHA Practice Questions With Accurate Answers A+ Graded
APHA Practice Questions With Accurate Answers A+ Graded
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APHA Practice Questions WithAccurate Answers A+ Graded
The waist circumference of a patient was measured to be 36⅛ in. Express
this measure in centimeters. - -91.76 cm
-A newborn in the NICU weighed 5.9 lb and measured 18.3 inches in length.
Express the child's weight in kilograms and length in centimeters. - -2.7 kg;
46.5 cm
-A 22 G needle had an inner bore diameter of 0.016 in and a length of 2 in.
Express the dimensions in millimeters. - -0.41 mm diameter; 50.8 mm
length
-A fentanyl transdermal system is labeled to deliver fentanyl at 12 µg/hour.
How many milligrams of fentanyl will a patient receive from the transdermal
system over a 24-hour period? - -0.29 mg
-The volume of distribution of Piperacillin/tazobactam, as found in the
product insert, was 0.15 L/kg. Calculate the volume of distribution of this
medication in a patient weighing 152 lb. - -10.37 L
-A levocetirizine dihydrochloride oral solution is labeled to contain 2.5 mg/5
mL solution. How many grams of the drug will be present in a bottle
containing 5 fl oz of the oral solution? - -0.074 g
-A hydrocodone bitartrate and acetaminophen oral solution contains 500 µg
hydrocodone bitartrate per milliliter of the solution. How many milligrams of
hydrocodone bitartrate are necessary to prepare 16 fl oz of the solution? - -
236.6 mg
-The laboratory values of a patient included the following:
SCr = 1.5 mg/dL
Albumin = 2.7 g/dL
Total bilirubin = 2.8 mg/dL
Question
Express each concentration as mg/mL. - -SCr = 0.015 mg/mL
albumin = 27 mg/mL
total bilirubin = 0.028 mg/mL
, -An extended release buprenorphine transdermal patch 7.5 µg/h has the
dimensions 58 mm by 45 mm. Express the dimensions in inches. - -2.28 in
by 1.77 in
-Rituximab and Hyaluronidase human injection contains 120 mg rituximab
and 2000 units human hyaluronidase per milliliter. If a patient received 11.7
mL of the injection, calculate the amount of rituximab, in grams, the patient
received from the dose. - -1.4 g
-A compounding formula for preparing 50 capsules is given below. Convert
the weight of codeine sulfate to milligrams and the weights of the other
excipients to grams.
Formula
· Codeine 11½ grains
· Silica gel 0.01 oz (avoir.)
· Lactose monohydrate 0.025 lb (avoir.) - -747.5 mg, 0.3 g, 11.35 g
-Two fluid ounces of acetazolamide oral suspension (25 mg/mL) is to be
compounded. How many grams of acetazolamide are needed to compound
the suspension? - -1.479 g
-Lidocaine-Epinephrine-Tetracaine (LET) gel is to be compounded using a
commercial carbomer gel base according to the following formula:
Formula
· Lidocaine Hydrochloride USP = 4 g
· Epinephrine bitartrate USP = 0.05 g
· Tetracaine USP = 0.5 g
· Gel base qs ad 100 g
Question
Calculate the amounts of each ingredient necessary to prepare ½ oz (avoir)
of the gel. - -lidocaine = 0.56 g
epinephrine = 0.007 g
tetracaine = 0.07 g
-A topical solution is to be compounded using the following formula:
Formula
· Phenylephrine 10% ophthalmic solution = 20 mL
· NS qs ad 400 mL
Question
How many milliliters of phenylephrine 10% ophthalmic solution are
necessary to prepare one gallon of the solution? - -189.25 mL
,-A mouthwash formula is as follows:
Formula
· Benadryl elixir (12.5 mg/5mL) = 90 mL
· Maalox = 90 mL
· Lidocaine viscous 2% = 0 mL
· Distilled water USP = 180 mL
· Total 450 mL
Question
Calculate the volume of each ingredient necessary to prepare 2 pints of the
mouthwash. - -Benadryl, Maalox, and lidocaine = 189.2 mL, water = 378.4
mL
-Calculate the least weighable quantity in an electronic balance whose
sensitivity requirement is 0.1 mg when the permitted error is 2%. - -5 mg
-A solid ingredient was weighed in a torsion balance, and the recorded
weight was 200 mg. When the same ingredient was weighed in a high-
precision electronic balance, the weight was recorded as 191.9 mg. Calculate
the percent error with respect to the accurate weight obtained from the
electronic balance. - -4.1%
-Instead of adding the required 45 mL of corn syrup when compounding a
suspension, 50 mL of syrup was used by mistake. Calculate the percent error
associated with the mistake. - -11.1 %
-A patient's body temperature was recorded as 101.9 °F. Express the
temperature in °C. - -38.8 °C
-The USP defines controlled room temperature (CRT) as the range from 20
to 25 °C. Express the range in °F. - -68 to 77 °F
-A pediatric iron supplement drop contains 15 mg iron per 1 mL supplement.
Express the concentration in PPM. - -15,000 PPM
-A 10 lb infant takes six 1 oz bottles of a commercial infant formula (with
0.36 mg iron per 1 oz) daily. How much iron, in PPM, is present in one 1 oz
bottle? - -12 PPM
-The EPA recommends that when lead levels in drinking water are equal to
or greater than 15 PPB, measures be taken to reduce lead concentration.
Express this concentration in percent strength. - -0.0000015%
, -A gaseous blend of nitric oxide and nitrogen (INOmax) is available in a
strength of 0.08% nitric oxide (NO) and 99.92% nitrogen. Express the
strength of NO in PPM. - -800 PPM
-A sample of fresh tuna was found to contain 9 PPB mercury. How many
micrograms of mercury will be present in 1 oz of the fish? - -0.27 µg
-Seasonal trivalent influenza vaccine (Fluzone) contains thiomersal as a
preservative. The amount of equivalent mercury in the vaccine was
determined to be 12.5 µg per 0.25 mL dose of the vaccine. Express this
concentration in PPM. - -50 PPM
-The plasma level of phencyclidine (PCP) in a patient who was presented at
the ER following a motor vehicle accident was 2.9 ng/mL. Express the
concentration in PPB. - -2.9 PPB
-In 2001, the EPA adopted a lower standard for arsenic in drinking water by
replacing the old standard of 50 µg/L with 10 µg/L. Calculate the difference in
PPB between the old and new standards. - -40 PPB
-How many grams of sodium chloride (NaCl) are necessary to prepare 1 L of
normal saline? - -9 g
-How many grams of dextrose are present in 500 mL of D5W? - -25 g
-What is the percent strength of a solution prepared by dissolving 30 mg of
ofloxacin in 10 mL water for injection? - -0.3%
-Budesonide inhalation suspension (Pulmicort Respules) contains 0.5 mg
budesonide in 2 mL of suspension. What is the percent strength of this
preparation? - -0.025%
-Ipratropium bromide and albuterol inhalation spray 4 mL (Combivent
Respimat) has 0.06% strength with respect to ipratropium bromide and 0.3%
strength with respect to albuterol. If one cartridge of the spray contains 120
actuations, what is the amount of ipratropium bromide, in micrograms, that a
patient receives with two actuations of the spray? - -40 µg
-Ipratropium bromide and albuterol inhalation spray 4 mL (Combivent
Respimat) has 0.06% strength with respect to ipratropium bromide and 0.3%
strength with respect to albuterol. If one cartridge of the spray contains 120
actuations, what is the amount of albuterol, in micrograms, that a patient
receives with two actuations of the spray? - -200 µg
-Gentamicin ophthalmic solution USP contains 3 mg gentamicin base per mL
of the solution. What is its percent strength? - -0.3%
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