A. 1 mg of A causes same effect of 3 mg of B, so A is more potent
B. 1 mg of A cause effect not even caused by maximum tolerated dose of B, so drug A is more efficacious
C. 1 mg of A cause effect not caused by 1 mg of B so A is more efficacious
D. Efficacy is not dose dependent
Related Mcqs:
- The following statements are true about intravenous route of drug administration EXCEPT____________?
A. It is useful in emergencies
B. Aseptic precautions are required
C. Bioavailability is 100%
D. Suspensions can be administered - Morphine a powerful opioid analgesic drug should be avoided in all the following conditions except____________?
A. Left ventricular failure
B. Bronchial asthma
C. Constipation
D. A & C - All of the following are true about tolbutamide except____________?
A. It is taken orally
B. It is used in type-I diabetes mellitus
C. It causes alcohol intolerance
D. It acts on pancreas to stimulate release of insulin - All are true about nitric oxide, EXCEPT____________?
A. Regulates vasomotor tone
B. Acts via cAMP
C. Present in cigarette smoke
D. It is important in penile erection - All of the following are true except____________?
A. A special application of dantrolene is used to treat malignant hyperthermia
B. Interferons have a role in immunology of cancer
C. Thalidomide is used for the treatment of leprosy
D. Allopurinol is a derivative of 8-mercaptopurine - All are true of diazapenes except____________?
A. Benzodiazepam is used in treatment of status epilepticus
B. Benzodiazepam is used in the long term treatment of psychic disorders
C. Clonazeppam is used in the treatment of petitmal epilepsy
D. None of the above - True about occulomotor nerve are all except____________?
A. Carries parasympathertic fibres
B. Causes constriction of pupils
C. Supplies inferior oblique muscle
D. Passes through inferior orbital fissure - All are true of the genetic code except____________?
A. Degenerate
B. Universal
C. Punctuation
D. Non overlapping - All are true regarding the enamel spindles except____________?
A. Produced by ameloblasts
B. Found in the region of cusps
C. Surrounded by inter prismatic enamel
D. Terminate as rounded process - All of the following statements regarding biovailability of a drug are true except______________?
A. It is the proportion (fraction) of unchanged drug that reaches the systemic circulation
B. Biovailability of an orally administered drug can be calculated by comparing the area under cure (o-a) after oral and intravenous (IV) administration
C. Low oral biovailability always and necessarily mean poor absorption
D. Biovailability can be determined from plasma concentration or urinary excretion data
