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162199 Biochemistry

True about Km

AHalf the substrate concentrate at which velocity is maximum
BSubstrate concentration at which reaction rate is half the maximum
CMichaelis constant
DDissociation constant of enzyme-substrate complex
Biochemistry
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162201 Dental

A 12-year-old boy, who had been camping in the mountains with his family, was brought to the emergency depament because of headache, rash, and the abrupt onset of a high fever. The rash began on his palms and soles but spread up to his ankles and arms. On physical examination he was found to have palpable purpura on his wrists and lower legs. The infection is likely caused by?

ARickettsia rickettsii
BTreponema pallidum
CCoxsackievirus
DDissiminated histoplasma infection
Dental
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162204 Surgery

A patient presents with abdominal pain, anorexia, fever, night sweats, malaise, cough and weight loss along with this he complains of pain in the right upper abdomen and right shoulder tip, hiccups and a non-productive cough, past history of bloody diarrhea is present. On physical examination there upper abdominal rigidity, tender hepatomegaly, tender and bulging intercostal spaces are seen. CT of the patient is given, based on the CT what is most likely diagnosis?

AHydatid cyst
BAmoebic liver abscess
CLiver cyst
DHepatocellular carcinoma
Surgery
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