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Pharmacology 7th Edition by Henry Hitner,Barbara Nagle
Edition 7ISBN: 978-1259718564Pharmacology 7th Edition by Henry Hitner,Barbara Nagle
Edition 7ISBN: 978-1259718564 Exercise 2
Use your critical-thinking skills to answer the following question. Select the correct answer.
The time a drug continues to produce its effect is its
A) ED50
B) maximal response
C) ceiling effect
D) onset of action
E) duration of action
The time a drug continues to produce its effect is its
A) ED50
B) maximal response
C) ceiling effect
D) onset of action
E) duration of action
Explanation
Verified
Verified
The effective dose or ED50 is referred to as that dose which would produce an effect equal to half of the maximal response. The onset of action is the time period between the time drug is administered and its first observable effect.
The maximal dose is defined as dose at which maximum usually 100 percent effect is produced by the drug. The ceiling effect shows the limitation of some drugs of different classes to produce a particular effect.
Hence the incorrect options are a, b, c and d.
The duration of action is the time duration during which drug continues to exert its effects. In practical effect for over a relatively constant period of time is produced by individual drugs.
Hence the correct option is
.
The maximal dose is defined as dose at which maximum usually 100 percent effect is produced by the drug. The ceiling effect shows the limitation of some drugs of different classes to produce a particular effect.
Hence the incorrect options are a, b, c and d.
The duration of action is the time duration during which drug continues to exert its effects. In practical effect for over a relatively constant period of time is produced by individual drugs.
Hence the correct option is
.
Pharmacology 7th Edition by Henry Hitner,Barbara Nagle
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