322.In a reflected light dead tracts are seen as

a.White zone
b.Black zone
c.Purple zone
d.Combination of white and black zone

Ans-a.White zone

321.Treatment of choice of basal cell carcinoma of skin is

a.Surgical incision
b.Radiotherapy
c.Chemotherapy
d.Laser surgery

Ans-a.Surgical incision

320.A 50 year old woman with end stage renal disease develops pulmonary tuberculosis.which one of the following should be used in reduced dose

a.Rifampicin
b.Pyrazinamide
c.Isoniazid
d.Ethambutol

Ans-d.Ethambutol