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20 Cards in this Set
- Front
- Back
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define osmosis
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net diffusion of water across a semipermeable membrane
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what are the channels taht form across the cell membrane through which water molecules can diffuse
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aquaporins
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solution is a solution that causes the net iflux of water into a cell
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hypotonic
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isotonic
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no net flux of water in or out of a cell
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where is an example of where osmosis is very important
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in the nephrons of the kidney
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what does clear mean
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burst
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what does opaque mean
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shrivel
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how might a cell change its permeability to water
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open or close aquaporins
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definition. a mixture of cellular components suspended in fluid called plasma
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blood
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what does blood carry
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water electrolytes proteins gasses nutrients hormones waste products
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what is the hematocrit of a male
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45%
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what is the meatocrit of a female
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42%
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what is the hematocrit
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length of packed/total length of blood x100
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what does a high hematocrit tell you
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dehydration high RBC
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what does a low hematocrit tell you
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anemia blood loss low erythropoietin bone marrow failure malnutrition
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a hemoprotein composed of globin and heme that gives red blood cells their characteristic red color
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hemoglobin
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what is the function of hemoglobin
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transport oxygen from lungs to body tissues
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what does high hemoglobin tell you
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congenital heart disease pulmonary disease
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what does low hemoglobin tell you
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anemia low RBC blood cell destruction
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what does an off clotting time tell you
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hemophilia cirrhosis hepatitis malabsorption of nutriens vit K deficiency
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