physiology lab report- thermoregulation

7/23/2019 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#


12/12

@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

physiology lab report- thermoregulation

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