Medicine Composition and Interactions Quiz

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Questions and Answers

What distinguishes a biosimilar medicine from a generic medicine?

  • Molecular structure (correct)
  • Originator medicine
  • Therapeutic equivalence
  • Patent expiration

Who has the authority to decide whether to prescribe a biosimilar or originator biological medicine?

  • Patient
  • EMA
  • Pharmacist
  • Clinician (correct)

Why is automatic substitution of brands not appropriate for biological medicines?

  • To avoid black triangle status
  • Due to different molecular structures
  • To prevent inadvertent switching (correct)
  • Because of patent expiration

What must be demonstrated or extrapolated for a biosimilar medicine to be licensed for all indications of the originator biological medicine?

<p>Therapeutic equivalence (D)</p> Signup and view all the answers

What status are biosimilar medicines subject to at the time of initial authorization?

<p>(A) Black triangle status (B)</p> Signup and view all the answers

In what way does a biosimilar medicine differ from a generic medicine?

<p>Molecular structure (A)</p> Signup and view all the answers

Why should the brand name specified on a prescription for biological medicines be dispensed as specified?

<p>To prevent inadvertent switching (D)</p> Signup and view all the answers

Who makes the final decision on whether to prescribe a biosimilar or the originator biological medicine?

<p>Clinician (D)</p> Signup and view all the answers

In patients with severe lactose intolerance, what should be considered before prescribing a medicine?

<p>The lactose content in the medicine (C)</p> Signup and view all the answers

For patients requiring long-term or regular medication, why should the sodium content of medicines be considered?

<p>To avoid cardiovascular events (B)</p> Signup and view all the answers

What information is provided in the product literature for medicines with more than 1 mmol sodium per dose?

<p>Sodium content (D)</p> Signup and view all the answers

Which patient population is particularly at risk when medicines contain high levels of sodium as an excipient?

<p>Patients with renal failure (C)</p> Signup and view all the answers

Why might slow metabolizers of a substance need special consideration when taking certain medications?

<p>Greater potential for drug interactions (D)</p> Signup and view all the answers

What potential risk is associated with effervescent, dispersible, or soluble formulations of medicines?

<p>Cardiovascular events (B)</p> Signup and view all the answers

Why is it important to determine the amount of lactose in medicines for patients with severe lactose intolerance?

<p>To avoid problems caused by the lactose content (A)</p> Signup and view all the answers

What is the concern with inventing non-proprietary titles for prescribing generically?

<p>It can lead to confusion, especially for compound and modified-release preparations (C)</p> Signup and view all the answers

Where are the non-proprietary titles used in the book sourced from?

<p>European Pharmacopoeia, British Pharmacopoeia, or British Pharmaceutical Codex 1973 (B)</p> Signup and view all the answers

What must preparations comply with when using non-proprietary titles from certain publications?

<p>Standard in the appropriate publication (D)</p> Signup and view all the answers

When are names followed by the symbol ® typically applied?

<p>To products supplied by the owners of the trademarks (B)</p> Signup and view all the answers

What do the doses, indications, cautions, and side-effects in the BNF reflect?

<p>Those in manufacturers' data sheets or Summaries of Product Characteristics (SPCs) (B)</p> Signup and view all the answers

What does the BNF generally exclude when it comes to proprietary medicines?

<p>Medicines not supported by a valid Summary of Product Characteristics (D)</p> Signup and view all the answers

What documents do the BNF entries generally mirror?

<p>Marketing authorisations (formerly known as Product Licences) (A)</p> Signup and view all the answers

Which publication's guidelines influence the content of the BNF?

<p>Manufacturers' data sheets or Summaries of Product Characteristics (SPCs) (D)</p> Signup and view all the answers

What percentage of the WHO recommended maximum daily dietary intake of sodium for an adult is approximately 17 mmol sodium?

<p>20% (B)</p> Signup and view all the answers

When is a medicine considered to have a high sodium content due to its sodium quantity?

<p>When it contains more than 17 mmol sodium (C)</p> Signup and view all the answers

When should a product be dispensed extemporaneously?

<p>Only when other products are not available (D)</p> Signup and view all the answers

What does the BP direction that a preparation must be freshly prepared mean?

<p>It must not be prepared more than 24 hours before use (D)</p> Signup and view all the answers

What happens if a preparation is stored for longer than about 4 weeks at 15–25° C?

<p>It becomes less effective (D)</p> Signup and view all the answers

When the term 'water' is used without qualification, what does it mean?

<p>Purified or potable water suitable for consumption (D)</p> Signup and view all the answers

If potable water is unsuitable for a particular preparation, which type of water should be used according to the text?

<p>'Water for injections' (A)</p> Signup and view all the answers

'Water for injections' should be used if which condition is met?

<p>'Purified water' is unavailable (C)</p> Signup and view all the answers

What should patients do if they are taking drugs for medical reasons and want to drive?

<p>Carry suitable evidence that the drug was prescribed and taken correctly. (C)</p> Signup and view all the answers

Why is it important for patients to carry evidence of their prescription when driving?

<p>To prove that the drug was prescribed for a medical reason. (C)</p> Signup and view all the answers

What information is advised to be carried by patients when driving and taking medication?

<p>Repeat prescription form or medicine's patient information leaflet. (A)</p> Signup and view all the answers

In the context of the BNF, what does inclusion of certain drugs signify?

<p>The drugs are protected by Letters Patent. (A)</p> Signup and view all the answers

Why should particular attention be given when handling chemical or biological materials?

<p>To prevent allergic reactions. (B)</p> Signup and view all the answers

What types of substances should be handled with caution due to their irritant or potent nature?

<p>Corticosteroids, some antimicrobials, phenothiazines, and many cytotoxics. (A)</p> Signup and view all the answers

Why should contact with the skin and inhalation of dust be avoided when handling certain substances?

<p>To prevent accidental ingestion. (A)</p> Signup and view all the answers

Why are certain drugs included in the BNF despite patent rights protection?

<p>To enable medical professionals to access necessary information. (B)</p> Signup and view all the answers

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