NR 226 Weeks 4, 5, and 6 Review Questions and Correct Answers
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Course
NUR 226
Institution
NUR 226
ABG normal ranges pH: acidic 7.35 - 7.45 basic CO2: basic 35 -45 acidic HCO3 (bicarb): acidic 22 - 26 basic
ABG: what determines metabolic status vs what determines respiratory status HCO3 determines metabolic status and CO2 determines respiratory status
2/3 of the body's fluid resides in _____ w...
NR 226 Weeks 4, 5, and 6 Review
Questions and Correct Answers
ABG normal ranges ✅pH: acidic 7.35 - 7.45 basic
CO2: basic 35 -45 acidic
HCO3 (bicarb): acidic 22 - 26 basic
ABG: what determines metabolic status vs what determines respiratory status ✅HCO3
determines metabolic status and CO2 determines respiratory status
2/3 of the body's fluid resides in _____ while 1/3 of body's fluid resides in _____ ✅2/3:
intra-cellular compartment
1/3: extra-cellular compartment either interstitial or intravascular
when blood tonicity rises it triggers ____ which allows the ____ to absorb more water
✅triggers vasopressin and allows the kidneys to absorb more water which means the
urine will be more concentrated
tonicity referring to IV fluids means ✅how the IV fluid will affect the body relevant to
fluid movement
this tonicity means same number of particles as fluid ✅isotonic
this tonicity means more particles than fluid ✅hypertonic
this tonicity means more fluid than particles ✅hypotonic
(mineral salts) these compounds separate into ions when dissolved in water and move
nutrients into cell and water out ✅electrolytes
positively charged ions vs negatively charged ions ✅+: sodium, potassium, calcium,
magnesium
-: chloride and bicarb
using ATP to move electrolytes across cell from low to high concentration ✅active
transport
passive transport from high to low concentration ✅diffusion
water moves across semi permeable membrane ✅osmosis
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