027/2020

87. Which of the following are the genes found to be involved in colorectal cancer ?
A) MSH2 gene on chromosome 3 B) MSH6 gene on chromosome 3
C) MLH1 gene on chromosome 3 D) MLH1 gene on chromosome 6

88. In small cell carcinoma of the lung the usual chemotherapy is
A) Paclitaxel + Carboplatin B) Cisplatin + Etoposide
C) Pemetrexed + Cisplatin D) Vinorelbine + Platinum

89. Which of the following drug is not an Aromatase inhibitor ?
) Tamoxifen B) Letrozole
C) Anastrozole D) Exemestane

90. What is the half-life of Cobalt 60 ?
) 3.5 years B) 1.5 years
C) 15 years D) 5.3 years

91. What is the average Photon energy of the most commonly used Brachytherapy
source Iridium 192 (1192) ?

A) 0.38 MV B) 0.83 MV C) 1.0 MV D) 1.3 MV

92. Which of the following inhalational anaesthetic agents have the lowest blood gas
partition co-efficient ?
A) Halothane 8) Isofluvane
C) Serofluvane D) Nitrous oxide

93. Normal anion gap metabolic acidosis occur in
A) Tissue hypoxemia
B) Renal failure

C) Intestinal obstruction

D) Diabetic ketoacidosis

94. An ASAI patient in post operative recovery room shows pulse oximeter saturation
reading of 74%. The corresponding arterial oxygen tension would be

A) 30 mmHg B) 40 mmHg

C) 50 mmHg D) 60 mmHg
95. The most effective system for spontaneous respiration

A) Mapleson A B) Mapleson B

C) Mapleson D D) Mapleson E

A 3