Topic 1 - Drugs and Medicines Flashcards

1
Q

What is a drug

A

A substance or product that is used or intended to be used to modify or explore physiological systems or pathological states for the benefit of the recipient

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2
Q

What’s the difference between potency, selectivity and specificity?

A

Potency: amount of chemical required to produce an effect

Selectivity: Narrowness off a drug’s range of actions on particular receptors, cellular processes or tissues

Specificity: Relationship. between chemical structure of drug and pharmacological effects

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3
Q

What is the difference between chemical, generic and trade name?

A

Trade name is used to market the drug (brand name) whereas the generic name is the name of the active ingredient.

Chemical name is name of the chemical ingredient.

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4
Q

What is bioequivalence?

A

Whether the generic medicine releases the the active ingredient into the bloodstream at the same rate and to the same extent as the original medicine

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5
Q

Describe what an ideal drug is using the terms potency, selectivity and specificity

A

An ideal drug would have a high potency, selectivity (only affecting desired organ) and also specificity (resulting in intended physiological responses)

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6
Q

Describe drug classifications

A
  • Use: therapeutic, recreational etc.

- Mechanism of action:

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