27.) Tom is in respiratory arrest due to an electrical shock.Why does a Good Samaritan have about 4 to 5 minutes to beginCPR?
there is an reserve of oxygen in Tom's tissues
the ambient PO2 in the lungs can support life thatlong
there is a reserve of oxygen in Tom's blood bound tohemoglobin
the Haldane effect lasts up to 5 minutes
Tom's hypoxic drive will keep him alive for up to 5 minutes
28.) The addition of CO2 to the blood generates ___ions in the red blood cells, which in turn stimulates them tounload more oxygen.
sodium
hydrogen
potassium
nitrogen
chloride
29.) The conducting zone contains all of the followingEXCEPT
the alveoli
the secondary bronchi
the terminal bronchioles.
the larynx.
the primary bronchi.
30.) The blood transports more CO2 in the form of ___than in any other form.
bisphosphocarbonate
dissolved CO2 gas
carbaminohemoglobin
bicarbonate ions
carboxyhemoglobin
31.) Which of the following in not adriver for the unloading of O2 fromoxyhemoglobin?
increased temperature
increased bisphosphoglycerate (BPG); also calleddiphosphoglycerate (DPG)
increased partial pressue of CO2
increased acid (lower pH)
increased partial pressure of O2
