doc179
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which one of the following decreases during aerobic exercise?
a. circulating blood volume
b. heart rate
c. skin temperature
d.cerebral blood flow
e. mean blood pressure
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| general malaise
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D?
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| robin082006
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| doc179
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as far as I remember cerebral blood flow never decreases during exercise as it is completely autoregulated. That is not the correct ans here. Please try again.
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| robin082006
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If D is not correct, the only other choice is C
Excercise: increase stroke volume, BP, cardiac contractibility, CO, heart rate.
Maybe skin temperature decreases in order to dissipate heat produced by excercise, right?
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| doc179
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 I had also opted for C. but its not the correct ans
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| jama
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ok guys the answer to this question is E
the fact is aerobic exercise reduces mean blood pressure in hypertensive and non hypertensive subjecs
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| r_albayunen
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its E
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| r_albayunen
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because of the autoregulatory metabolites expressed by exercising skeletal muscle to increased blood flow .. i think
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| robin082006
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I did lots of question about excercise and never heard about choice E.
Try yourself, excercise, then have your BP taken, it actually increases.
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| general malaise
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actually i remember reading somewhere that slight exercise will help in lowering your blodd pressure. strenous exercise will increase it. so aerobics would be slight exercise
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| vallia
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E
http://www.mercola.com/2002/jun/5/aerobic_exercis...
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| doc179
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The given ans is A. The explanation says as the number of capillaries perfused increases, net filatration increases and hence the circulating blood volume decreases.
MAP increases as the CO inceases despite the decreased TPR.
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| r_albayunen
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 true ..
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| mjl1717
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but autoregulatory vasodilatory metabolites such as adenosine and others do eventually decrease bp. If it said anaerobic exercise Id go with e.
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