labs 11 & 12 Flashcards
what would CHO be broken down in to for the body to absorb
monosaccrides
or disaccharides
what whould protein be broken down into for absorbtion into the blood
peptides - then to amino acids
what would fats break down into for absorbtion
monoglycerides
fatty free acids
glycerols
why can’t amino and peptide cross phosphlipid by layer
becuase they aren’t lipid souluble must have transporter
why don’t micelles need a channel
because they are fat soluble
why to you need to coat lipids with bile salts
to keep them seperate so enzyme lipase can break down triglycerides into substances
what escape through the basolateral membrane with lipids
chylomicron
what escape through the basolateral membrane with lipids
chylomicron
what is the normal range for blood pH
7.35 -7.45
what is the typical range for urine pH
4.5 -8
why are the normal pH ranges so different for blood and urine
Blood pH must be kept within a small range where proteins work best.
Urine must change as it carries more or less acid, in order to keep the blood pH constant
what is acidic urine associate with what type of diet
high in meat sugar and alcohol
alkalin urine is associated with what type of diet
high in vegetables, low sugar
with exercise do we expect peripheral to increase
yes - blood vessesl diluate more at your skin - because of heat loss doesnt have happen quickly
is core or peripheral more stable
core
if room is warm would peripheal temp increase
yes - if you don’t sweat as much
if room is cool would peripheal temp increase
likely to decrease if you sweat a lot or room cold
- getting rid of heat quickly
why does the body try to maintain constant core temp
protein need optimal temp to work properly - work best in small range
if too hot wat happens to protein
denature
if too cold what happens to protein
don’t work properly - move more slowly
if temp receptors change what receptrs detect this
thermoreceptors
what part of the brain control breathing rate
neurons in brain stem
what is oxygen consumption
amount of oxygen all your cells use per minute
- oxygen taking in when inhaling
more fit you are what does this mean for VO2
the higher it will be
if you exercise will this also increase VO2 and why
yes - skeletal muscels cells produce more carbon dioxide as they make more ATP
where is the dead space air and alveolar air capture in tube
deadspace is blown into the far end of the tube, alveolar air sits in the tube closest to mouth
what air was sampled from tube w/ syringe
alveolar air
what does hyperventilation causes CO2 to do
levels to drop
