<prompt> O2 dissociation curve is shifted to right in all except-HypercapneaRise in temperatureRaised 2, 3 DPG levelMetabolic alkalosis  <response>: Ans. is d i.e., Metabolic alkalosis o Hypercapnea raised CO2, rise in temprature and increased 2, 3 DPG cause righward shift of O2 dissociation curve,o Metabolic alkalosis causes leftward shift.o Alkalosis increased pH, increased HbF, and hypothermia decrease in temperature cause a leftward shift of oxygen dissociation curve, i.e. increase oxygen affinity to hemoglobin,o Hypoxia with decrease PaO, causes a rightward shift of the curve, i.e. decreased oxygen affinity to hemoglobin.Ox Veen dissociation curveShifted to rightShifted to lefto Decreased oxygen affinity to hemoglobino Increased P50o Increased oxygen delivery to tissueso Causes :y Decreased pH Acidosisy Increased temperaturey Increased PCO,y Increased 2,3 DPG BPGi Growth hormone. Androgen, thyroid hormoneii Exerciseiii Tissue hypoxiaiv High altitudev Anemiavi Alkalosisvii Cyanotic CHDviii Pregnancyix Chemicals : E no sine, Pyruvate, PEP, phosphateySickle hemoglobin HbSo Increased oxygen affinity to hemoglobino Decreased P50o Decrease oxygen delivery to tissueso Causes :y Increased pH alkalosisy Decreased temperaturey Decreased PCO,y Decreased 2,3 DPG BPGStored bloody Fetal hemoglobin HbF 