PHARMA-I, GENERAL & SYSTEMIC, PHA311, BU (Accredited University)
Q&A Practice Quiz-4
Student Name ………………………………………………………… Department …………………………………………….
Student ID ………………… Organization ……………………………………………
Marks …………………/10 Period 30 minutes
Notes:
(i) Each Question has 4 points to choose from. Choose ONLY ONE point to answer the Question.
(ii) Answer the questions after carefully reading the text.
1. Which of the following describes “chemical antagonism”:
a. two drugs combine with one another to form a more active compound.
b. two drugs combine with one another to form an inactive compound.
c. two drugs combine with one another to form a more fat-soluble compound.
d. two drugs combine with one another to form a more water-soluble compound.
2. When two drugs with similar effects taken together, and produce an effect that is greater than the sum of the
effects of the two drugs if given individually, this type of interaction called as:
a. Antagonism.
b. Potentiation.
c. Synergism.
d. Summation.
3. Which of the following is used to describe the gradual decrease in responsiveness to a drug upon its repeated
dosing of the drug for days or weeks?
a. Tolerance
b. Intolerance
c. Tachyphylaxis
d. Anaphylaxis.
4. In Posology, which of the following terms is correct?
a. MLD, minimal lethal dose, is the dose which kills the lowest number of animals under investigation.
b. MLD, minimal lethal dose, is the lowest dose which kills the whole number animals under investigation.
c. ED50, medium effective dose, which gives half of the desired effect.
d. None of the above may apply.
Q&A Practice Quiz-4
Student Name ………………………………………………………… Department …………………………………………….
Student ID ………………… Organization ……………………………………………
Marks …………………/10 Period 30 minutes
Notes:
(i) Each Question has 4 points to choose from. Choose ONLY ONE point to answer the Question.
(ii) Answer the questions after carefully reading the text.
1. Which of the following describes “chemical antagonism”:
a. two drugs combine with one another to form a more active compound.
b. two drugs combine with one another to form an inactive compound.
c. two drugs combine with one another to form a more fat-soluble compound.
d. two drugs combine with one another to form a more water-soluble compound.
2. When two drugs with similar effects taken together, and produce an effect that is greater than the sum of the
effects of the two drugs if given individually, this type of interaction called as:
a. Antagonism.
b. Potentiation.
c. Synergism.
d. Summation.
3. Which of the following is used to describe the gradual decrease in responsiveness to a drug upon its repeated
dosing of the drug for days or weeks?
a. Tolerance
b. Intolerance
c. Tachyphylaxis
d. Anaphylaxis.
4. In Posology, which of the following terms is correct?
a. MLD, minimal lethal dose, is the dose which kills the lowest number of animals under investigation.
b. MLD, minimal lethal dose, is the lowest dose which kills the whole number animals under investigation.
c. ED50, medium effective dose, which gives half of the desired effect.
d. None of the above may apply.
