Physiology Lab Report- Thermoregulation
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Transcript of Physiology Lab Report- Thermoregulation
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FUNDAMENTAL MEDICAL
SCIENCE IIIPhysiology laboratory report
(week-!
Asis Mir"ha#$a#i (%&'%%%!
Ste)e# Mat*ali (%&'%%%!
I)a# Tria#gto (%&'%%%+!
,*li*s Ta#a"a (%&'%%%!
A#$rew Lie#ata (%&'%%%++!
U#i)ersitas Pelita .arapa#
Fa"*lty o/ Me$i"i#e
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'%'
0b1e"ti)es
Experiment 1
To 2eas*re the oral (2o*th! te2perat*re properly a#$
a""*rately *si#g a 2a3i2*2 ther2o2eter4 To *#$ersta#$ the /a"tors that a5e"ts the res*lts o/
2eas*re2e#t o/ the oral (2o*th! te2perat*re o/ a perso#4
(S*"h as6 breathi#g thro*gh 2o*th a#$ ri#si#g with i"e water!4
Experiment 2
To 2eas*re the a3illary a#$ a#te"*bital spa"e te2perat*re
properly a#$ a""*rately *si#g a 2a3i2*2 ther2o2eter4
To *#$ersta#$ the $i5ere#"e betwee# te2perat*re rea$i#g o/the a3illary a#$ the a#te"*bital spa"e4
To $eter2i#e the e5e"t o/ e3er"ise o# the a3illary te2perat*re
o/ a perso#4
Experiment 3
To *#$ersta#$ the $i5ere#"e o/ the wet a#$ $ry ther2o2eter4
To "al"*late the relati)e h*2i$ity o/ the roo24
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Materials a#$ Metho$s6
Experiment 1
The 7rst part o/ the e3peri2e#t is $o#e to 2eas*re the oral
te2perat*re o/ a st*$e#t *si#g a 2a3i2*2 ther2o2eter4 At 7rst8 a
2a3i2*2 ther2o2eter is take# a#$ "lea#e$ *si#g either
tiss*e9"otto# $ippe$ i# al"ohol4 This is $o#e to e#s*re that the
pre)io*s rea$i#gs $o #ot i#ter/ere with the res*lts o/ this
e3peri2e#t4 The st*$e#t the# swi#gs the ther2o2eter /or"e/*lly /or
se)eral ti2es to e#s*re that the 2er"*ry 2e#is"*s is below the
:;C s"ale to set the starti#g poi#t o/ 2eas*re2e#t /or the
ther2o2eter4 The st*$e#t the# pla"e$ the reser)oir o/ the
ther2o2eter *#$er his to#g*e a#$ "lose$ his 2o*th /or three
2i#*tes4 A/ter three 2i#*tes8 the st*$e#t the# re2o)e$ the
ther2o2eter a#$ obser)e$ the rea$i#g o# the ther2o2eter4 The
rea$i#g was re"or$e$4 The ther2o2eter is the# pla"e$ ba"k *#$er
his to#g*e /or a#other three 2i#*tes witho*t "lea#i#g or swi#gi#g it4
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or "lose$ his #ose to a)oi$ breathi#g /ro2 it4 A/ter $oi#g this8 the
st*$e#t pla"e$ the ther2o2eter *#$er his 2o*th /or a#other si3
2i#*tes4 A/ter these si3 2i#*tes8 the st*$e#t obser)e$ the rea$i#g
o# the ther2o2eter a#$ re"or$e$ it4
The thir$ part o/ the e3peri2e#t was $o#e to $eter2i#e the e5e"t o/
ri#si#g the st*$e#t=s 2o*th with i"e water o# the oral te2perat*re
o/ the st*$e#t4 Like the pre)io*s parts8 the 2a3i2*2 ther2o2eter
was "lea#e$ a#$ wipe$ with tiss*e $ippe$ i# al"ohol4 To lower the
2er"*ry 2e#is"*s to lower tha# :;C8 the ther2o2eter was sw*#g
/or"e/*lly /or se)eral ti2es4 0#"e this was $o#e8 the e3peri2e#t
"o*l$ begi#4 The sa2e st*$e#t as the o#es i# part o#e a#$ two o/
the e3peri2e#t ri#se$ his 2o*th with i"e water se)eral ti2es4 .e
the# pla"es the reser)oir o/ the ther2o2eter *#$er his to#g*e a#$
"lose$ his 2o*th /or si3 2i#*tes4 The te2perat*re rea$i#g o# the
ther2o2eter was the# obser)e$ a#$ re"or$e$4
Experiment 2
For the se"o#$ e3peri2e#t8 a#other st*$e#t )ol*#teers /or his
te2perat*re to be re"o$e$4 I# the 7rst part o/ the e3peri2e#t8 the
2ai# ob1e"ti)e is to "o2pare the te2perat*res o/ the a3illa with the
o#e i# the a#te"*bital spa"e4 At 7rst8 the 2a3i2*2 ther2o2eter
was wipe$ with tiss*e $ippe$ i# al"ohol4 The 2er"*ry 2e#is"*s o/
the ther2o2eter was also lowere$ to a height below the :;C le)elby swi#gi#g it /or"e/*lly /or se)eral ti2es4 The st*$e#t the# e#s*re$
that his a3illa was $ry a#$ that it was wipe$ with tiss*e4 The st*$e#t
the# pla"e$ the ther2o2eter o# his a3illa 7r2ly /or si3 2i#*tes4
A/ter si3 2i#*tes8 the st*$e#t #ote$ the te2perat*re a#$ re"or$e$
it4 Step o#e was the# repeate$ by the st*$e#t8 whi"h was "lea#i#g
the ther2o2eter *si#g al"ohol a#$ loweri#g the 2er"*ry 2e#is"*s
by swi#gi#g the ther2o2eter /or"e/*lly4 .e the# e#s*re$ that hisa#te"*bital spa"e was wipe$ with tiss*e a#$ $rie$ o/ a#y 2oist*re4
>
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.e the# pla"e$ the ther2o2eter o# his a#te"*bital spa"e a#$ ?e3es
his ar2 /or si3 2i#*tes4 A/ter that8 he obser)e$ a#$ re"or$e$ the
rea$i#g "o2pari#g it to that o/ his a3illary te2perat*re4
For the se"o#$ part o/ this e3peri2e#t8 the ai2 is to $eter2i#e the
e5e"t o/ e3er"ise o# the a3illary te2perat*re o/ the st*$e#t4 Firstly8
the ther2o2eter is "lea#e$ *si#g al"ohol a#$ sw*#g /or"e/*lly to
bri#g ba"k the 2er"*ry 2e#is"*s to the :;C le)el4 A#other st*$e#t
*se$ this ther2o2eter to 2eas*re his a3illary te2perat*re by
pla"i#g the ther2o2eter o# his a3illary /or si3 2i#*tes4 The rea$i#g
was obser)e$ a#$ re"or$e$4 A/ter this the st*$e#t "lea#e$ the
ther2o2eter a#$ bri#gs ba"k the 2er"*ry 2e#is"*s to the :;C
le)el4 .e the# $i$ a statio#ary r*# o/ '% steps per 2i#*te by
/ollowi#g a 2etro#o2e /or two 2i#*tes4 A/ter the two 2i#*tes8 he
wipe$ his a3illary with tiss*es to e#s*re it is $ry a#$ pla"e$ the
ther2o2eter i# his a3illary /or + 2i#*tes4 .e the# obser)e$
re"or$e$ a#$ "o2pare$ the res*lt to his a3illary te2perat*re be/ore
e3er"isi#g4
Experiment 3
The thir$ e3peri2e#ts ob1e"t is to "al"*late the relati)e h*2i$ity o/
the air4 This was $o#e by obser)i#g the rea$i#g that was there o#
the wet a#$ $ry ther2o2eter4 A/ter the rea$i#gs were take#8 they
were plotte$ to a psy"ho2etri" graph to "al"*late the relati)eh*2i$ity4
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@es*lts
Experiment 1
a4 Meas*re2e#t o/ 2o*th te2perat*re
Trial Trial '
Te2perat*re
(C! :+4 :+4B
Ti2e (se"! % %
b4 Meas*re2e#t o/ breathi#g thro*gh 2o*th te2perat*re
Te2perat*re
(C! :&4Ti2e (se"! '%
"4 Meas*re2e#t o/ 2o*th *si#g i"e water te2perat*re
Te2perat*re
(C! :+4:Ti2e (se"! :+%
Experiment 2
a4 Meas*re2e#t o/ a3illa a#$ a#te"*bital te2perat*re
A3illa
A#te"*bital
spa"eTe2perat*re
(C! :+4+ :+4:Ti2e (se"! :+% :+%
b4 Meas*re2e#t o/ e3er"ise o# a3illa te2perat*re
+
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A3illa
(Nor2al!
A3illa (A/ter
statio#ary r*#!Te2perat*re
(C! :+4 :+4
Ti2e (se"! :+% :+%
Experiment 3
a4 Meas*re2e#t o/ relati)e h*2i$ity
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whi"h sig#als were the# tra#s2itte$ to the a#terior lobe o/
hypothala2*s lo"ate$ i# the brai#8 allowi#g )aso$ilatio#8 less
2*s"*lar "o#tra"tio# a#$ 2ore sweat gla#$ a"ti)ity by the
pro$*"tio# o/ sweat as a "ooli#g 2e"ha#is24 Si2ilarly8 the heat waspro$*"e$ the bo$y whe# ski# has $ete"te$ "ool te2perat*re a#$
the 2e"ha#is2 is "o#ti#*e$ by sig#al tra#s2issio# to the posterior
a#terior lobe /or arterioles to "o#stri"t ()aso"o#stri"tio#!8 a"ti)ity o/
sweat gla#$ was re$*"e$ a#$ pro$*"tio# heat thro*gh skeletal
2*s"le a"ti)ity8 whi"h is shi)eri#g4
I# or$er to "o2plete this e3peri2e#t8 a "r*"ial apparat*s was
#ee$e$ while $oi#g the e3peri2e#ts that was the ther2o2eter4 The
2a3i2*2 ther2o2eter was 7lle$ with 2er"*ry to 2eas*re8
whereas the laboratory ther2o2eter was 7lle$ with al"ohol4 oth
the ther2o2eter ha$ $i5ere#t te2perat*re ra#ge4 The 2a3i2*2
te2perat*re ha$ its lowest te2perat*re at :C a#$ 2a3i2*2 at
>'C4 The laboratory te2perat*re ha$ a wi$e ra#ge a#$ it "o*l$
e)e# be *#$er %C4 The 2a3i2*2 te2perat*re was spe"ialie$ to
$o 2o#itori#g o/ bo$y te2perat*re8 where as the laboratoryte2perat*re was 2ai#ly *se$ /or other laboratory e3peri2e#ts8
s*"h as 2eas*ri#g te2perat*re o/ spe"i7" li*i$4
I# e3peri2e#t 8 the res*lts ha)e )arie$ $*e to o#e o/ the
2e"ha#is2s 2e#tio#e$ pre)io*sly that ha)e take# pla"e4
E3peri2e#t a showe$ that the two trials o/ 2o*th te2perat*re
2eas*re2e#t with the 7#al res*lt o/ :+4%C a#$ :+4BC that
showe$ a# i#sig#i7"a#t te2perat*re "ha#ge by %4>C si#"e the
pro"e$*re a#$ the ti2e te2perat*re bei#g 2eas*re$ was the sa2e4
The possible "a*se that the te2perat*re o/ the se"o#$ trial was
higher tha# the 7rst trial was $*e to whi"h the 2o*th was alrea$y
"lose$ /or % se"o#$s a#$ i22e$iately a se"o#$ trial was $o#e
a/ter ha)i#g #ote$ $ow# the te2perat*re that 2a$e the heat
a""*2*late (by "losi#g the 2o*th! 2ore tha# the 7rst trial4 I/ the
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ti2e take# to 2eas*re the te2perat*re /or :+% se"o#$s8 there
wo*l$ be a slight te2perat*re "ha#ge or "o*l$ be #o#e as well4
Co2pari#g both the e3peri2e#ts o/ a a#$ b showe$ a
$i5ere#t res*lt8 i# whi"h te2perat*re o/ a was lesser tha# b that
was :&4C4 The reaso# was be"a*se by breathi#g 2ore with 2o*th
allows water )apor to be pro$*"e$4 Th*s8 2ore water )apor8 2ore
heat was bei#g pro$*"e$4 There/ore there was a# i#"rease i#
te2perat*re4 E3peri2e#t " showe$ a si2ilar res*lt with e3peri2e#t
a with a res*lt o/ :+4:C8 that was the te2perat*re o/ 2o*th with
i"e water /or a $*ratio# o/ :+% se"o#$s4 I# /a"t8 the 7#al res*lt o/ the
te2perat*re 2eas*re$ was s*ppose$ to be lower tha# both the
e3peri2e#ts (a G b! si#"e with "ooli#g res*lts i# a lesser
te2perat*re4 Si#"e the ti2e o/ 2eas*re2e#t was *ite lo#g8 that
was /or :+% se"o#$s8 th*s the bo$y allowe$ ho2eostasis to take
pla"e by heat pro$*"tio# 2e"ha#is24 E)e#t*ally8 the te2perat*re
was 2a$e to i#"rease to a #or2al te2perat*re4 Th*s8 there was
si2ilarity betwee# the res*lt o/ e3peri2e#t a a#$ "4
E3peri2e#t 'a was $o#e by "o2pari#g te2perat*re
2eas*re2e#t take# /ro2 both a3illa a#$ a#te"*bital4
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higher te2perat*re res*lt8 b*t i#stea$ it was lower tha# witho*t
2o)e2e#t4 The $i5ere#"e was "a*se$ by the heat loss 2e"ha#is2
that was sweati#g that ga)e a lower te2perat*re rea$i#g4
I# e3peri2e#t :a8 the wet b*lb showe$ a te2perat*re o/ ''C8
whereas the $ry b*lb showe$ 'C a#$ h*2i$ity o/ &4 Th*s a
roo2 with air "o#$itio#i#g "a*ses a "ooler te2perat*re a#$ a less
h*2i$4 There/ore8 witho*t air "o#$itio#i#g be"o2es hotter a#$ 2ore
h*2i$4 The res*lt showe$ that the roo2 was *ite high i# its
h*2i$ity le)el4
%
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Co#"l*sio#
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@e/ere#"es
i4 .*2a# Physiology4 Fro2 Cells to Syste24 +thE$itio#4 L
Sherwoo$4 Tho2so#4 '%%&4 Page +>-+>B4ii4 Di5ere#"es betwee# Ma3i2*2 a#$ Laboratory Ther2o2eter6
http699www4s"rib$4"o29$o"9:&++%B%9Ter2o2eter
'
http://www.scribd.com/doc/37660910/Termometerhttp://www.scribd.com/doc/37660910/Termometer