43) 43) Which of the following O2 transport methods is responsible for initiating the rapid diffusion of O2 out of the r

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43 43 Which Of The Following O2 Transport Methods Is Responsible For Initiating The Rapid Diffusion Of O2 Out Of The R 1 (34.65 KiB) Viewed 49 times

43) 43) Which of the following O2 transport methods is responsible for initiating the rapid diffusion of O2 out of the red blood cell at the tissue level (In other words, which happens first)? A) O2 dissociates from hemoglobin B) HCO3- reconverted to CO2 and H20 C) O2 binds to hemoglobin D) plasma O2 diffuses out 44) 44) of the following functions of antibodies (an adaptive immune response), some of these functions double-back to Interact with the innate immune response. Which of these does NOT do that, instead leading to the ultimate adaptive immune response? A) Activate complement proteins B) Activate B lymphocytes C) Act as opsonins D) Trigger degranulation of immune cells 45) 45) Which cells secrete renin in response to low blood pressure? A) tubulorenal cells B) granular cells C) macula densa cells D) myogenic cells 46) Why does the cardiac contractile cell action potential have a plateau phase? A) Ca2+ entry into sarcoplasm matches the amount of K+ leaving B) Krepolarizing channels open early and force the return of the membrane potential to resting C) Nat channels open and flood the cell with Nat during the action potential D) channels open earlier than in other cells, causing the Cat+ to open earlier 46)