QuestionSBA
QuestionChoice
This description refers to desensitisation.

Desensitisation will reduce the response to a specific agonist.
10005084
d
Prolonged/repeated exposure to agonists reduces the response
QuestionChoice
This describes the therapeutic window. A therapeutic window lies between the toxic concentration and the effective concentration of a drug. It is a range of values which describe a suitable dosage plasma concentration of the drug.
10005085
e
Range of dosages between the effective and toxic concentration of a drug
QuestionChoice
Low potency will mean that more drug is required to produce an effect, whereas high potency will mean that less drug is required to produce an effect. Most drugs are highly potent thus requiring low doses to produce an effect.
10005081
a
This is the amount of drug required to produce an effect
QuestionChoice
This refers to efficacy. If a drug has maximal efficacy it will bind to all of the available receptors and produce a maximal response, Competition will affect the efficacy of a drug.
10005083
c
Maximum response achievable by application of a drug
QuestionChoice
This refers to affinity. Usually, a potent drug will have a high affinity.
10005082
b
Strength of drug-receptor interaction
Concept
Chapter
2693
4368
Pharmacological terms
Topic
166
General pharmacological concepts
13563
Which of the following definitions describes the potency of a drug?
a