MCQ Collection
Australia & New Zealand MCQs
Practice Australia & New Zealand questions with answers and explanations.
Choose an option to check your answer.
A.
Bactericidal activity kills susceptible bacteria, whereas bacteriostatic activity inhibits growth.
B.
Bactericidal agents cannot have resistance.
C.
Both terms mean viral inactivation.
D.
Bacteriostatic agents always destroy spores.
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Correct Answer: A. 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 always produces an inactive metabolite.
B.
Phase I reactions commonly introduce or expose functional groups through oxidation, reduction or hydrolysis.
C.
Phase I is limited to renal filtration.
D.
Phase I reactions occur only outside the body.
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Correct Answer: B. 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.
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A.
It eliminates first-pass metabolism.
B.
It always decreases surface area.
C.
Reducing particle size can increase dissolution rate by increasing surface area.
D.
It guarantees chemical stability.
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Correct Answer: C. Reducing particle size can increase dissolution rate by increasing surface area.
Explanation:
Reducing particle size can increase dissolution rate by increasing surface area.
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A.
1.0
B.
10.0
C.
6.0
D.
0.1
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Correct Answer: B. 10.0
Explanation:
For a weak acid, [A−]/[HA]=10^(pH−pKa).
Choose an option to check your answer.
A.
Bactericidal activity kills susceptible bacteria, whereas bacteriostatic activity inhibits growth.
B.
Both terms mean viral inactivation.
C.
Bacteriostatic agents always destroy spores.
D.
Bactericidal agents cannot have resistance.
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Correct Answer: A. 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.
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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.
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A.
66.1
B.
151.3
C.
41.4
D.
99.6
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Correct Answer: A. 66.1
Explanation:
Use fraction remaining=e^(−kt).
Choose an option to check your answer.
A.
Blinding always increases sample size.
B.
Randomisation guarantees zero measurement error.
C.
A randomised controlled design reduces allocation bias and supports causal inference when well conducted.
D.
A case report proves population causality.
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Correct Answer: C. A randomised controlled design reduces allocation bias and supports causal inference when well conducted.
Explanation:
A randomised controlled design reduces allocation bias and supports causal inference when well conducted.
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A.
17250
B.
5.07
C.
3.07
D.
0.326
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Correct Answer: C. 3.07
Explanation:
Concentration=amount/volume.
Choose an option to check your answer.
A.
0.063
B.
2275.2
C.
15.8
D.
26.33
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Correct Answer: C. 15.8
Explanation:
Apply AUC=F×Dose/CL.
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A.
50
B.
6.25
C.
12.5
D.
25
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Correct Answer: C. 12.5
Explanation:
After three half-lives, (1/2)^3=12.5%.
Choose an option to check your answer.
A.
It irreversibly increases efficacy.
B.
It removes the need for agonist binding.
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.
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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.
