For systemic effects, a drug may be placed directly to the desired site of action.
举一反三
- Absorption is the movement of a drug from the site of administration to the A: gastrointestinal tract B: systemic circulation C: portal vein D: cell E: action site
- Which kind of route of drug admininstration is the most improtant method of administrating drugs for systemic effects?
- Absorption is the process of a drug entering systemic circulation from its site of administration. 这里administration的意思是？
- Bioavailability is: A: Amount of drug that reach the systemic circulation B: Drug metabolized in liver before the drug reaches the systemic circulation C: Drug metabolized in liver after the drug reaches the systemic circulation D: Maximum by rectal route
- d) Which of the following may be the reason for the no clinic action when administrated a certain drug for a specific disease or symptom?