91q: which of the following antitumor agents works by impairing denovo purine synthesis ?
a. hydroxyl urea
b. 5- fluorouracil
c. Methotrexate
d. Allopurinol
92q: the dangerous particle size causing pneumoconiosis arises from ?
a. 100-150 micrometers
b. 50-100 micrometers
c. 10-50 micrometers
d. 1-5 micrometers
93q: swinging flash light test is used to examine ?
a. cornea
b. pupil
c. lens
d. conjunctiva
94q: the recommended content of iodine in salt at the consumer level is ?
a. 10 ppm
b. 15 ppm
c. 20 ppm
d. 30 ppm
95q: which of the following does not cause an increase in serum amylase ?
a. pancreatitis
b. carcinoma lung
c. renal failure
d. cardiac failure
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