Physical dependence upon a drug is a. The need for ever higher ...

[LCritchfi]

Physical dependence upon a drug is
 
  a. The need for ever higher doses of the drug to produce the desired
  effect.
  b. Manifest by intense craving for the drug.
  c. Accompanied by a narrowing of the therapeutic window.
  d. Results in a withdrawal syndrome when the dose is abruptly lowered
  or the drug discontinued altogether.

Question 2

Drug tolerance refers to
 
  a. The ability to tolerate adverse affects induced by a drug.
  b. The production of a withdrawal syndrome if the dose of drug is
  abruptly lowered.
  c. The need for increasing doses to obtain effects previously obtained at
  lower doses.
  d. The clinical ability to rationally choose an appropriate drug from a
  wide variety of options.

[duy1981999]

Answer to Question 1

d

Answer to Question 2

c

[LCritchfi]

Thank you!

[duy1981999]

Happy to help