Oxygen dissociation curve shifts to the right by all of the following except________?

If the pulp of a single rooted tooth canal were triangular in cross section with the base of the triangle located facially and the apex lingually with a longer mesial side than distal side; the tooth most likely is________?

The most prominent toxic effect associated with acetominophen use is________?

Warthins tumor is________?

INFLIXIMAB (systemic) is used in________?

Commonest site of extra intestinal amoebiasis is________?