Pharmacology and toxicology mcqs (471_480)
471.Which of the following drugs is most similar in action with ampicillin
A.Dicloxacilliln
B.Cloxacillin
C.Cloxacillin
D.Amoxacillin
Ans.D
472.Phosphodiosterase enzyme 5 inhibitor is
A.Sildenafil
B.Milrinone
C.Amprinone
D.Cilostazol
Ans.A
473.Toxicity of Digoxin is treated with
A.Activated charcoal
B.Digoxin immune Fab
C.Cholestyramine
D.All the above
Ans.B
474.Mupirocin ointment is used topically to treat
A.Impetigo
B.Hemorrhoids
C.Conjuctivitis
D.Eye infections
Ans.A
475.Choose the correct of ion associated with GABA receptors to produce tranquilizing effect
A.Potassium ion
B.Sodium ion
C.Chloride ion
D.Lithium ion
Ans.C
476.Which of the following receptors stimulation prevents the release of Noradrenaline
A.Beta_1
B.Beta_2
C.Alpha_1
D.Alpha_2
Ans.D
477.Which of the following drugs useful in a Rh Negative mother with a Rh positive infant
A.Immunoglobulin
B.Interferon
C.Octeroide acetate
D.Rh.gam
Ans.D
478.Which of the following drug on prolonged therapy produces positive Coomb's test
A.Clonidine
B.Prazosin
C.Methyldopa
D.Doxazosin
Ans.C
479.A detoxifying agent used to treat narcotic withdrawal symptoms is
A.Naloxone
B.Naltrexone
C.Meperidine
D.Methadone
Ans.D
480.The initial degradation of a drug by liver enzymes after oral administration of the drugs is known as
A.Enzymatic degradation
B.Bioavailability
C.Fick's degradation
D.First pass metabolism
Ans.D
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