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Medical Science Mcqs 5254 MCQs [All-Courses]

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Medical Science is the study of human health, diseases, prevention, and treatment, focusing on diagnosis, patient care, and medical research to improve healthcare outcomes.

All Topics  5254

First line of antitubercular drug is_____________?
A Streptomycin
B INH
C Ethambutol
D Cephalosporins
Correct Answer: INH
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
Correct Answer: Low oral biovailability always and necessarily mean poor absorption
Combination of ampicillin and gentamicin is an example of_____________?
A Indifference
B Synergy
C Antagonism
D Bacterial symbiosis
Correct Answer: Synergy
Which drugs had high first pass effect_____________?
A Amiodarone
B Phenytoin
C Verapamil
D Disorpyamide
Correct Answer: Verapamil
Neuro adaptation to drug is same as______________?
A Physical dependence
B Psychological dependence
C Addiction
D Habituation
Correct Answer: Physical dependence
Idiosyncracy is known as to have_____________?
A Genetic component
B Psychological component
C Psysiological component
D Nutritional component
Correct Answer: Genetic component
Zero order kinetics is seen with_______________?
A Phenytoin
B Phenabarbtion
C Erythromycin
D Digoxin
Correct Answer: Phenytoin
Drugs showing zero order kinetics of elimination_____________?
A Are more common than first order kinetics
B Decrease in concentration exponentially with time
C Have a half – life independent of dose
D Show a plot of drug concentration versus time that is linear
Correct Answer: Have a half – life independent of dose
Therapeutic index is____________?
A LD 100/Ed100
B ED 100/LD 100
C LD 50/ED500
D ED50/LD50
Correct Answer: LD 50/ED500
Allergic reactions depends on all except____________?
A previous exposure to the drug
B Dosage of the drug received
C Pharmacological action of the drug
D Antigen antibody reaction
Correct Answer: Dosage of the drug received
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