PHARMA-I, GENERAL & SYSTEMIC, PHA311, BU (Accredited University)
Q&A Practice Quiz-5
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. When two drugs are taken together, and produce an effect that is less 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.
2. Which of the following describes “physiological antagonism”?
a. two drugs act on two different receptor sites with opposing actions.
b. two drugs combine with one another to form an inactive compound.
c. two drugs compete for a single receptor site opposing the actions of each other.
d. two drugs combine with one another to form a more water-soluble compound.
3. Which of the following is used to describe the exaggerated responsiveness to a drug upon its first dosing even
at a small amount?
a. Tolerance
b. Intolerance
c. Tachyphylaxis
d. Anaphylaxis.
4. In Posology, which of the following terms is correct?
a. LD, lethal dose, is the dose which kills the lowest number of animals under investigation.
b. LD, lethal dose, is the lowest dose which kills the whole number animals under investigation.
c. ED100, maximal effective dose, which gives half of the desired effect.
d. None of the above may apply.
Q&A Practice Quiz-5
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. When two drugs are taken together, and produce an effect that is less 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.
2. Which of the following describes “physiological antagonism”?
a. two drugs act on two different receptor sites with opposing actions.
b. two drugs combine with one another to form an inactive compound.
c. two drugs compete for a single receptor site opposing the actions of each other.
d. two drugs combine with one another to form a more water-soluble compound.
3. Which of the following is used to describe the exaggerated responsiveness to a drug upon its first dosing even
at a small amount?
a. Tolerance
b. Intolerance
c. Tachyphylaxis
d. Anaphylaxis.
4. In Posology, which of the following terms is correct?
a. LD, lethal dose, is the dose which kills the lowest number of animals under investigation.
b. LD, lethal dose, is the lowest dose which kills the whole number animals under investigation.
c. ED100, maximal effective dose, which gives half of the desired effect.
d. None of the above may apply.
