Free GPhC practice
Free GPhC practice questions
Test yourself with free GPhC registration assessment practice questions, written in the style of the real exam. Answer the first few with full worked explanations — no account needed to start.
A patient is prescribed a 1 gram dose of a medicine. The stock strength is 250 mg per tablet. How many tablets should be supplied for one dose?
What this covers
- Pharmaceutical calculations (doses, infusions, percentages)
- Clinical knowledge and therapeutics
- Law & ethics, including Controlled Drugs
- Single-best-answer questions in the GPhC style
- Worked explanations with BNF references
- Instant feedback after every question
Example questions & worked answers
Try to answer each yourself first, then reveal the worked explanation.
A patient is prescribed a 1 gram dose of a medicine. The stock strength is 250 mg per tablet. How many tablets should be supplied for one dose?
Answer & explanation: 4 tablets. Convert to a common unit first (1 g = 1000 mg), then divide the dose by the tablet strength: 1000 mg ÷ 250 mg = 4.
For how many days is a prescription for a Schedule 2 Controlled Drug valid from the appropriate date?
Answer & explanation: 28 days. Prescriptions for Schedule 2, 3 and 4 Controlled Drugs are valid for 28 days from the appropriate date on the prescription.
What is the maximum daily dose of paracetamol for a healthy adult?
Answer & explanation: 4 g in 24 hours — typically 1 g up to four times a day, with at least 4 hours between doses.
A 1-litre bag of sodium chloride 0.9% is infused over 8 hours. What is the rate in mL/hour?
Answer & explanation: 125 mL/hour. Infusion rate (mL/hour) = total volume (mL) ÷ total time (hours): 1000 ÷ 8 = 125.
How should a patient be advised to take oral alendronic acid?
Answer & explanation: On an empty stomach at least 30 minutes before food or drink, swallowed whole with a full glass of water, remaining upright for at least 30 minutes to reduce oesophageal irritation.
Frequently asked questions
Are these real GPhC registration assessment questions?
No exam board releases its live questions. These are original practice questions written in the style and format of the GPhC Common Registration Assessment — calculations, single-best-answer and clinical scenarios — to help you gauge where you stand.
Is this GPhC practice quiz free?
Yes. You can answer the first questions with full worked explanations for free, with no account needed. The full Dose Up platform has 2,100+ questions across every topic in the framework.
What does the GPhC registration assessment involve?
It has two parts: Part 1 is 40 pharmacy calculations, and Part 2 is 120 clinical and professional questions. You must pass both parts in the same sitting.
How should I revise for the GPhC exam?
Practise under timed conditions, drill calculations regularly, and review the explanation for every question — right or wrong — so you understand the reasoning, not just the answer. Spreading practice across weeks beats cramming.
Ready to prepare properly?
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