MCQ Collection
Australia & New Zealand MCQs
Practice Australia & New Zealand questions with answers and explanations.
Choose an option to check your answer.
A.
16.96
B.
4902.8
C.
24.24
D.
0.059
Show Answer
Correct Answer: A. 16.96
Explanation:
Apply AUC=F×Dose/CL.
Choose an option to check your answer.
A.
6.25
B.
25
C.
50
D.
12.5
Show Answer
Correct Answer: D. 12.5
Explanation:
After three half-lives, (1/2)^3=12.5%.
Choose an option to check your answer.
A.
It always raises the maximal response.
B.
It irreversibly increases efficacy.
C.
It removes the need for agonist binding.
D.
A competitive antagonist usually shifts the agonist concentration–response curve to the right without reducing the maximal response.
Show Answer
Correct Answer: D. A competitive antagonist usually shifts the agonist concentration–response curve to the right without reducing the maximal response.
Explanation:
A competitive antagonist usually shifts the agonist concentration–response curve to the right without reducing the maximal response.
Choose an option to check your answer.
A.
Bactericidal agents cannot have resistance.
B.
Both terms mean viral inactivation.
C.
Bactericidal activity kills susceptible bacteria, whereas bacteriostatic activity inhibits growth.
D.
Bacteriostatic agents always destroy spores.
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Correct Answer: C. Bactericidal activity kills susceptible bacteria, whereas bacteriostatic activity inhibits growth.
Explanation:
Bactericidal activity kills susceptible bacteria, whereas bacteriostatic activity inhibits growth.
Choose an option to check your answer.
A.
Phase I reactions occur only outside the body.
B.
Phase I is limited to renal filtration.
C.
Phase I always produces an inactive metabolite.
D.
Phase I reactions commonly introduce or expose functional groups through oxidation, reduction or hydrolysis.
Show Answer
Correct Answer: D. Phase I reactions commonly introduce or expose functional groups through oxidation, reduction or hydrolysis.
Explanation:
Phase I reactions commonly introduce or expose functional groups through oxidation, reduction or hydrolysis.
Choose an option to check your answer.
A.
150.4
B.
66.5
C.
99.6
D.
40.8
Show Answer
Correct Answer: B. 66.5
Explanation:
Use fraction remaining=e^(−kt).
Choose an option to check your answer.
A.
5.04
B.
7.04
C.
31442
D.
0.198
Show Answer
Correct Answer: A. 5.04
Explanation:
Concentration=amount/volume.
Choose an option to check your answer.
A.
40.0
B.
1000.0
C.
0.025
D.
80.0
Show Answer
Correct Answer: A. 40.0
Explanation:
Apply AUC=F×Dose/CL.
Choose an option to check your answer.
A.
6.25
B.
25
C.
12.5
D.
50
Show Answer
Correct Answer: C. 12.5
Explanation:
After three half-lives, (1/2)^3=12.5%.
Choose an option to check your answer.
A.
It removes the need for agonist binding.
B.
It irreversibly increases efficacy.
C.
A competitive antagonist usually shifts the agonist concentration–response curve to the right without reducing the maximal response.
D.
It always raises the maximal response.
Show Answer
Correct Answer: C. A competitive antagonist usually shifts the agonist concentration–response curve to the right without reducing the maximal response.
Explanation:
A competitive antagonist usually shifts the agonist concentration–response curve to the right without reducing the maximal response.
Choose an option to check your answer.
A.
It always decreases surface area.
B.
It guarantees chemical stability.
C.
It eliminates first-pass metabolism.
D.
Reducing particle size can increase dissolution rate by increasing surface area.
Show Answer
Correct Answer: D. Reducing particle size can increase dissolution rate by increasing surface area.
Explanation:
Reducing particle size can increase dissolution rate by increasing surface area.
Choose an option to check your answer.
A.
10.0
B.
4.8
C.
1.0
D.
0.1
Show Answer
Correct Answer: A. 10.0
Explanation:
For a weak acid, [A−]/[HA]=10^(pH−pKa).
