BENHA UNIVERSITY, CREDIT HOURS SYSTEM
PHARMACOLOGY, GENERAL (PHA311)
FOR STUDENTS ENROLLED IN PHARMACOLOGY PROGRAMS
Problem Figure Questions
Notes:
i. Please look at the following D-R CURVES. Then mark the appended statements as ( √ ) or ( × ).
ii. Answer the questions after carefully reading the text.
100%
(A) (B) (A+C)
Response (%)
50% (B+D)
(E)
ED50 (A) ED50 (B)
Dose (Log)
1- Drugs A and B have the same intrinsic activities. (√)
2- Drug B is more efficacious than drug A. (×)
3- Drug E is less efficacious than drug B. (√)
4- Drug D is a competitive antagonist to drug B. (×)
5- Drug C is a competitive antagonist to drug A. (√)
6- Regarding potency: A = B > E. (×)
7- Regarding efficacy: A = B > E. (√)
8- ED50 of drug A is < ED50 of drug B. (√)
9- If drug A is acetylcholine, the drug C can be exemplified by organophosphates. (×)
10- If drug B is acetylcholine, the drug D can be exemplified by succinylcholine. (√)
[End of questions; Total points = 20]
General Pharmacology Surviving Revision
PHARMACOLOGY, GENERAL (PHA311)
FOR STUDENTS ENROLLED IN PHARMACOLOGY PROGRAMS
Problem Figure Questions
Notes:
i. Please look at the following D-R CURVES. Then mark the appended statements as ( √ ) or ( × ).
ii. Answer the questions after carefully reading the text.
100%
(A) (B) (A+C)
Response (%)
50% (B+D)
(E)
ED50 (A) ED50 (B)
Dose (Log)
1- Drugs A and B have the same intrinsic activities. (√)
2- Drug B is more efficacious than drug A. (×)
3- Drug E is less efficacious than drug B. (√)
4- Drug D is a competitive antagonist to drug B. (×)
5- Drug C is a competitive antagonist to drug A. (√)
6- Regarding potency: A = B > E. (×)
7- Regarding efficacy: A = B > E. (√)
8- ED50 of drug A is < ED50 of drug B. (√)
9- If drug A is acetylcholine, the drug C can be exemplified by organophosphates. (×)
10- If drug B is acetylcholine, the drug D can be exemplified by succinylcholine. (√)
[End of questions; Total points = 20]
General Pharmacology Surviving Revision
