1-Important factor\s which may govern diffusion of drugs across cell membranes :

C- lipid solubility of the drug.

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pharmacology

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11-Important factor\s which may govern diffusion of drugs across cell membranes :
1. AA- pKa value of the drug.
2. BB- pH of the medium.
3. CC- lipid solubility of the drug.
4. DD- all of the above.
22-“the maximal effect produced by the drug” is the definition of :
1. AA-potency
2. BB- affinity
3. CC- efficacy
4. DD- bioavailability
33-what the body does to the drug is called :
1. AA- pharmacodynamics
2. BB- pharmacology
3. CC- pharmacokinetics
44-the second messenger of beta receptors is :
1. AA- Gs
2. BB- Gi
3. CC-guanylyl cyclase
4. DD- Gq
5 5- the following may be used to assess drug efficacy in the graded dose – response curve :
1. AA- slope of the curve
2. BB- ED50
3. Cc- Emax
4. DD- A&C