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100+ Free PPB Pharmacist Pre-registration Exam Practice Questions
Pharmacy and Poisons Board Pharmacist Pre-registration Examination (Stage I and Stage II) practice questions are available now; exam metadata is being verified.
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Which quality test most directly confirms that a tablet contains the labelled amount of active ingredient within specification?
A
B
C
D
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Sample PPB Pharmacist Pre-registration Exam Practice Questions
Try these sample questions to test your PPB Pharmacist Pre-registration Exam exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.
1A candidate reviews lipid pharmacology for the PPB pharmacist pre-registration exam. Which enzyme is the rate-limiting target inhibited by statins?
A.HMG-CoA reductase
B.Squalene epoxidase
C.Acetyl-CoA carboxylase
D.Cholesterol 7-alpha-hydroxylase
Explanation: HMG-CoA reductase catalyzes the rate-limiting step in cholesterol synthesis. Statins competitively inhibit this enzyme, lowering hepatic cholesterol synthesis and increasing LDL receptor expression.
2A patient with known G6PD deficiency is prescribed an antimalarial. Which medicine is most likely to precipitate oxidative haemolysis?
A.Amoxicillin
B.Primaquine
C.Metformin
D.Omeprazole
Explanation: Primaquine is an oxidant drug that can trigger haemolysis in G6PD deficiency. Pharmacists should identify this risk before dispensing antimalarial therapy that includes primaquine or related oxidant medicines.
3A medicine undergoes extensive first-pass metabolism. What is the most likely effect after oral administration?
A.No change in plasma concentration
B.Increased oral bioavailability
C.Reduced amount reaching systemic circulation
D.Immediate renal excretion before absorption
Explanation: First-pass metabolism in the gut wall or liver reduces the fraction of an oral dose that reaches systemic circulation unchanged. This can require higher oral doses or alternative routes for some medicines.
4Beta-lactam antibiotics primarily kill susceptible bacteria by interfering with which process?
A.Bacterial DNA gyrase inhibition
B.Folate synthesis at dihydropteroate synthase
C.Protein synthesis at the 50S ribosome
D.Bacterial cell-wall peptidoglycan cross-linking
Explanation: Beta-lactams bind penicillin-binding proteins and inhibit peptidoglycan cross-linking, weakening the bacterial cell wall. This mechanism underpins their selective toxicity against actively dividing bacteria.
5Which finding is most consistent with muscarinic cholinergic stimulation?
A.Salivation, bronchoconstriction and bradycardia
B.Mydriasis and constipation
C.Dry mouth and urinary retention
D.Bronchodilation and tachycardia
Explanation: Muscarinic stimulation produces parasympathetic effects such as salivation, lacrimation, bronchoconstriction, bradycardia, miosis, increased gut motility, and urination.
6Alkalinising the urine can increase renal elimination of which type of drug?
A.Highly protein-bound monoclonal antibodies
B.Weak acids
C.Neutral lipids
D.Strong bases only
Explanation: Urine alkalinisation ionises weak acids, reducing tubular reabsorption and increasing excretion. This principle is used in selected toxicology situations under appropriate medical supervision.
7Type 1 diabetes mellitus is primarily caused by which pathophysiologic process?
A.Overproduction of incretin hormones
B.Insulin resistance from adiposity alone
C.Autoimmune destruction of pancreatic beta cells
D.Excess glucagon receptor blockade
Explanation: Type 1 diabetes is caused by autoimmune beta-cell destruction, leading to absolute insulin deficiency. Pharmacists should distinguish this from insulin resistance-dominant type 2 diabetes.
8Non-steroidal anti-inflammatory drugs reduce pain and inflammation mainly by inhibiting formation of which mediators?
A.Insulin-like growth factors
B.Thyroid hormones
C.Catecholamines
D.Prostaglandins
Explanation: NSAIDs inhibit cyclo-oxygenase enzymes and reduce prostaglandin synthesis. This explains their analgesic and anti-inflammatory effects and also many adverse effects such as gastric irritation and renal risk.
9Which immunoglobulin is most important for mucosal immunity in secretions such as saliva, tears and breast milk?
A.IgA
B.IgE
C.IgG
D.IgM
Explanation: Secretory IgA is the dominant immunoglobulin at mucosal surfaces and in secretions. It helps neutralise pathogens at entry sites before systemic infection develops.
10Rifampicin can reduce the effect of many medicines because it has which property?
A.It strongly inhibits gastric emptying
B.It induces hepatic drug-metabolising enzymes
C.It chelates calcium in the gut
D.It blocks renal tubular secretion of penicillins
Explanation: Rifampicin is a potent enzyme inducer and can reduce exposure to many medicines, including some antiretrovirals, anticoagulants and hormonal contraceptives. Interaction screening is essential.
About the PPB Pharmacist Pre-registration Exam Practice Questions
Verified exam format metadata for Pharmacy and Poisons Board Pharmacist Pre-registration Examination (Stage I and Stage II) is pending. The practice questions above remain available while official exam length, timing, passing score, fee, and administrator details are reviewed.