PTCB Pharmacology #6
✓ FREE PTCB Pharmacology 2026 online practice test. 251+ questions and answers for the Pharmacy Technician exam. ⭐ [Updated March 2026]
How much cocabutter is needed to distribute 12 tannic acid suppositories, each weighing 2 gm and containing 400 mg of tannic acid?
We'd like to give out 12 suppositories, each weighing 2 grams and containing 400 milligrams of tannic acid:
Amount of coca butter = 2 gm x 12
= 24 gm
Amount of tannic acid = 0.4 gm x 12
= 4.8 gm.
Tannic acid has a displacement value of 0.9, so:
= 4.8/0.9 = 5.33 gm of base will displace
4.8 gm tannic acid = 5.33 gm cocabutter
Coca butter quantity = 24 gram - 5.33 gm
= 18.67 gm
A potassium supplement is which of the following medications?
Explanation:
Potassium supplement Klor-Con.
Which of the following drugs does Diovan HCT contain?
Explanation:
Valsartan and hydrochlorothiazide are combined as Diovan HCT.
A bronchodilator is defined as which of the following medications?
Explanation:
The drug albuterol is a bronchodilator.
All of the above drugs are antihistamines, with the exception of which one?
Explanation:
Antihistamines include loratadine, chlorpheniramine, and cetirizine.
An antiviral is defined as which of the following medications?
Explanation:
Acyclovir is an antiviral medication.
How many 250 mg/100cc ready infusion-bags are required to satisfy the above request if the drug's dose is 10 mg/kg/day? The patient is 156 pounds.
Because the patient's weight is 156 pounds, the weight in kilograms is 156/2.2 = 70.9 kilograms.
A usual medically recommended dose of medication is 10mg/kg/day, hence the dose in the patient mentioned above is 10mg/kg/day.
= 10 x 70.9
= 709 mg
Because each ready-infusion-bag contains 250 mg of medication, the total number of bags needed to satisfy an order is:
= 709/250 = 2.83 = 3 bags.
Which of the following Roman symbols represents 1,416?
M = 1,000; C = 100; D = 500; X = 10; V = 5; I = 1
When a smaller Roman numeral is placed before a higher Roman numeral, the subtraction steps are always performed first:
CD = (100 taken from 500) = 400
The rest is addition: M (1,000) + CD (400) + XVI (16) = 1,416
What is the likelihood of failure if the probability of success in the Null hypothesis is 0.6?
In the Null hypothesis, the total of the probabilities of success and failure equals 1 and can be represented using the following formula:
p + q = 1, where p is the chance of success and q is the probability of failure.
q = probability of failure
q = 1 - p
= 1- 0.6
= 0.4
Calculate the ratio strength of 0.4 percent.
0.4 percent is the same as 0.4 percent of a hundred.
As a result, dividing 100 by 0.4 (which equals 250) yields the ratio strength of 1: 250. (Modafinil)
Extra credit: see if you can translate 0.7 percent to a ratio strength!
Which of the following medicines should be taken first thing in the morning?
Explanation:
On an empty stomach, levothyroxine should be taken.
Ibuprofen is the active ingredient in?
Explanation:
Advil's active ingredient is ibuprofen.
The study of what a substance does to the body is classified as which of the following?
Explanation:
The study of how a medicine affects the body is known as pharmacodynamics.
Hypothyroidism can be treated with which of the following medications?
Explanation:
Hypothyroidism is treated with liothyronine.
Which of the following drugs has the generic name memantine?
Explanation:
Namenda's generic name is Memantine.
Which of the following conditions is amiodarone prescribed to treat?
Explanation:
The drug amiodarone is used to treat arrhythmias.
Pharmacy graduates can sharpen clinical judgment with our free NAPLEX practice test — covering pharmacokinetics, drug interactions, dosage calculations, and patient counseling.
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Clinical Pharmacist & Pharmacy Licensing Exam Specialist
USC Alfred E. Mann School of PharmacyDr. Lisa Nguyen holds a Doctor of Pharmacy and a PhD in Pharmaceutical Sciences from the University of Southern California School of Pharmacy. She is a licensed pharmacist with 14 years of clinical practice in hospital and community settings, and coaches pharmacy graduates and technicians through NAPLEX, MPJE, PTCE, ExCPT, and state pharmacy licensing examinations.