Podcast
Questions and Answers
The process of converting between units and measurement systems is known as ______.
The process of converting between units and measurement systems is known as ______.
conversion
Chloroform water, single-strength has a concentration of ______%.
Chloroform water, single-strength has a concentration of ______%.
0.25
In Rx shorthand, ‘PO’ means to administer medication ______.
In Rx shorthand, ‘PO’ means to administer medication ______.
orally
The abbreviation 'q6h' indicates that a medication should be administered every ______ hours.
The abbreviation 'q6h' indicates that a medication should be administered every ______ hours.
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The symbol 'k' represents the prefix ______, which means a thousand.
The symbol 'k' represents the prefix ______, which means a thousand.
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To repeat a prescription for 2 more months, one would write 'Repeat x ______/12'.
To repeat a prescription for 2 more months, one would write 'Repeat x ______/12'.
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One tablespoon (tbsp) is equivalent to ______ mL.
One tablespoon (tbsp) is equivalent to ______ mL.
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The term ‘mid’ comes from the Latin word for ______ which means 'send/give'.
The term ‘mid’ comes from the Latin word for ______ which means 'send/give'.
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To avoid errors, it is recommended to always write the ______ before the decimal place.
To avoid errors, it is recommended to always write the ______ before the decimal place.
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Peppermint water is composed of peppermint emulsion and chloroform water with purified water up to ______ ml.
Peppermint water is composed of peppermint emulsion and chloroform water with purified water up to ______ ml.
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Always omit decimal points from whole numbers! ALWAYS ______ mg NEVER 1.0 mg
Always omit decimal points from whole numbers! ALWAYS ______ mg NEVER 1.0 mg
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Always group zeros in 3s using a comma, e.g., ______,000 units NEVER 100000 units.
Always group zeros in 3s using a comma, e.g., ______,000 units NEVER 100000 units.
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If the figure one place beyond the required number of figures is ‘5’ or more then add ______.
If the figure one place beyond the required number of figures is ‘5’ or more then add ______.
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Perform calculations without a ______.
Perform calculations without a ______.
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Finally, check if the answer makes sense. Will the quantity have no therapeutic effect or ______ the patient?
Finally, check if the answer makes sense. Will the quantity have no therapeutic effect or ______ the patient?
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If unfamiliar with a calculation, ask a ______ to also perform it.
If unfamiliar with a calculation, ask a ______ to also perform it.
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Calculate the Body Mass Index (BMI) of the patient with a height of 5 foot ______ inches.
Calculate the Body Mass Index (BMI) of the patient with a height of 5 foot ______ inches.
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If a medication had 2 parts Drug X to 8 parts ______, what percentage of the medication is Drug X?
If a medication had 2 parts Drug X to 8 parts ______, what percentage of the medication is Drug X?
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You are presented with the following prescription: Ramipril 5 mg OD x 1/12 Repeat x ______.
You are presented with the following prescription: Ramipril 5 mg OD x 1/12 Repeat x ______.
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Will you dispense a greater number of tablets or ______?
Will you dispense a greater number of tablets or ______?
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Study Notes
Pharmaceutical Calculation Basics
- Calculating Body Mass Index (BMI): BMI = weight (kg) / height (m)^2
- Calculating Percentage of Drug: Percentage of Drug = (Drug X / (Drug X + Excipient)) x 100%
- Calculating Months of Medication: The patient is entitled to 3 months of ramipril (1 month x 12 / 4).
- Dispensing Tablets or Capsules: The patient will receive 42 capsules (250 mg x 2 caps x 3 times a day x 5 days). The patient will receive 20 prednisolone tablets (5 mg x 4 tablets x 2/day x 1 week). Therefore, a greater number of capsules will be dispensed.
Imperial Units and SI Equivalents
- Mass: 1 ounce (oz) = 28.35 g, 1 pound (lb) = 453.59 g, 1 stone (st) = 6.35 kg
- Volume: 1 teaspoon (tsp) = 5 mL, 1 tablespoon (tbsp) = 15 mL, 1 pint = 568 mL
- Length: 1 inch (in) = 2.54 cm, 1 foot (ft) = 30.5 cm
Pharmaceutical Calculation Basics: Prefixes
- Tera- (T) = 10^12
- Giga- (G) = 10^9
- Mega- (M) = 10^6
- kilo- (k) = 10^3
- hecto- (h) = 10^2
- deka- (da) = 10
- deci- (d) = 10^-1
- centi- (c) = 10^-2
- milli- (m) = 10^-3
- micro- (µ/mc) = 10^-6
- nano- (n) = 10^-9
- Avoid writing 15 mcg instead of 15 µg.
Prescription Shorthand
- ℞/Rx/Rx: Recipe (to receive)
- Sig.Label: Signa (to write on a label)
- Mitte: Mitte (send/give)
Rx Shorthand - Frequency
- bd/BD: Twice a day (bis dei)
- bid/BID: Twice a day (bis in dei)
- mane: in the morning (mane)
- nocte: at night (nocte)
- od/OD: once a day (omni die)
- prn/PRN: when required (pro re nata)
- q6h: every 6 hours (quaque 6 hora)
- qds/QDS: four times a day (quarter die sumendus)
- qid/QID: four times a day (quarter in die)
- tds/TDS: three times a day (ter die sumendus)
- tid/TID: three times a day (ter in dei)
- tarde: in the evening (tarde)
Rx Shorthand - Duration/Route
- x 5/7: For 5 days
- x 4/52: For 4 weeks
- Repeat x 2/12: Repeat for 2 more months
- Rx2: repeat twice
- PO: Orally
- SC s/c: Subcutaneously
- IV: Intravenously
- IM: Intramuscularly
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Description
Test your knowledge on pharmaceutical calculations including BMI, drug percentages, and medication dispensing. This quiz also covers conversions between imperial and SI units, as well as scientific prefixes. Perfect for pharmacy students and professionals alike!
