Monday, November 16, 2009

303 - AIIMS NOVEMBER 2009 MCQS with Answers - part 18

86q: Which of the following is false about p53?
a. Present on chromsome 17
b. Arrests cell cycle in G1 phase
c. Produces a protein of weigh 53 Kilodaltons
d. Non mutated wild p53 is associated with neoplasms of childhood

87q: Erythromycin is beneficial to patients with intestinal hypomotility because?
a. It reduces the bacterial load
b. It increases the bacterial load
c. It binds with the motilin receptors
d. It binds with Vasoactive Intestinal Polypeptide

88q: Zinc is a cofactor for ?
a. Alcoholic dehydrogenase
b. Pyruvate dehydrogenase
c. Pyruvate decaroboxylase
d. Alpha ketoacid dehydrogenase

89q: A 67 year old smoker, presents with hemoptysis and cough. Bronchoscopic biopsy shows a less differentiated tumor. Immunohistochemical marker useful will be?
a. Cytokeratin
b. Vimentin
c. Caltretin
d. ???????????

90q: Nephrotoxicity is seen with?
a. Azathioprine
b. Tacrolimus
c. Mycophenolate mofetil
d. Leflunomide

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