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136757 Microbiology

A patient admitted to an ICU is on a central venous line for the last one week. He is on ceftazidime and amikacin. After 7 days of antibiotics, he develops a spike of fever, and his blood culture is positive for gram-positive cocci in chains, which are catalase negative. Following this, vancomycin was staed, but the culture remained positive for the same organism even after 2 weeks of therapy. The most likely organism causing infection is

ACoagulase- negative staphylococcus
BStaphylococcus aureus
CEnterococcus faecalis
DViridans streptococci
Microbiology
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136764 Surgery

Stage T1NOMO in breast cancer indicates-

ATumor more than 2 ems in diameter without axillary nodes and absent metastasis
BTumour 2 cms or less without axillary nodes and no metastasis
CTumour fixed to the chest wall without axillary nodes or distant metastasis
DTumour fixed to the underlying muscle with no nodes in axilla but wth distant metastasis
Surgery
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