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Aardrykskunde

Graad 5

Gesondheid en welsyn

Module 34

Siektes: miv/vigs

MIV / VIGS-EMBLEEM

Aktiwiteit 1

Om ‘n konsep te definieer

[lu 1.3]

  • Na ‘n deeglike groepgesprek, formuleer kortliks ‘n definisie vir MIV , asook vir VIGS om die verskil duidelik te maak.

M iv:______________

Vigs:________________

Hierdie siekte het ‘n uitwerking op miljoene mense op ons kontinent alleen – so ook dwarsoor die wêreld. Die feit dat daar nog geen geneesmiddel hiervoor ontdek is nie, maak dit ‘n baie gevreesde siekte.

DIE MIV-VIRUS VEROORSAAK DIE SIEKTE VIGS

Die letters VIGS staan vir

Verworwe

Immuniteits-

Gebrek-

Sindroom

  • Oorsprong en aard:‘n Mens se liggaam het ‘n ingeboude immuniteitstelsel wat hom teen siektes en infeksies help beskerm. Die MIV-virus tas hierdie stelsel aan en verhoed dat dit effektief funksioneer. Die virus kom in die mens se liggaamsvloeistowwe voor en verswak die immuniteitstelsel sodat die liggaam dit moeilik vind om teen siektes soos TB, longontsteking en diarree te baklei. Daar kan slegs deur middel van ‘n bloedtoets vasgestel word of iemand met die virus besmet is.Soos met baie van die ander siektes, versprei Vigs makliker in digbevolkte gebiede, veral waar mense nie gesonde kos inneem nie. Die MIV-virus kan op die volgende maniere van een persoon na ‘n ander oorgedra word:
  • Wanneer ‘n persoon wat met die virus besmet is, onbeskermde seks (sonder die gebruik van ‘n kondoom) met iemand anders het en die semen of vaginale vloeistof met dié van ‘n ander meng.
  • Wanneer die bloed van ‘n besmette persoon met dié van ander meng. Dit kan tydens bloedoortappings gebeur, of as besmette spuitnaalde of skeermeslemme gebruik word.
  • ‘n Swanger vrou wat met die virus besmet is, kan dit na haar baba oordra.

Sedert hierdie gevreesde siekte in ongeveer 1980 vir die eerste keer gediagnoseer is, het dit baie vinnig versprei.

Aktiwiteit 2

Om statistiek met behulp van ‘n grafiek uit te beeld

[lu 1.1; 1.7]

  • Gebruik die volgende statistiese gegewens en stel ‘n blokgrafiek saam om die toename in MIV-gevalle tussen 1990 en 1999 uit te beeld.
Jaar Persentasie mense wat na raming met MIV besmet is
1990 0,7 %
1991 1,7 %
1992 2,2 %
1993 4 %
1994 7,6 %
1995 10,4 %
1996 14,2 %
1997 17 %
1998 22,8 %
1999 22,4 %

(Onthou om duidelike askalibrering en byskrifte, asook ‘n verklarende opskrif, vir jou grafiek te verskaf.)

  • Tipes simptome:
  • ‘n verswakte liggaam wat baie vatbaar is vir ander siektes.
  • Behandeling:

Hoewel vigs nog ‘n ongeneeslike siekte is, kan lyers wel sekere medikasie neem om die simptome te verlig. Die medikasie is egter baie duur.

  • Deurbraak:

Die MIV-virus is ‘n baie slim kalant wat die liggaam stilletjies binnedring en dan die eienskappe van ander liggaamselle aanneem. Sodoende kan dit ongemerk in die liggaam rondbeweeg en die menslike immuniteitselle infekteer. Navorsers aan die Pasteur-instituut in Frankryk voel dat hulle baie naby aan ‘n deurbraak is. Lees die koerantberig en bespreek die inhoud daarvan in jul groepe.

deurbraak in stryd teen vigs kom dalk binnekort

(SAPA-AFP)

In ‘n moontlike deurbraak in die stryd teen MIV/vigs is teenliggaampies gestimuleer wat die MI-virus dalk kan keer om menslike immuniteitselle te infekteer, het Franse navorsers onlangs bekend gemaak.

Questions & Answers

how do they get the third part x = (32)5/4
kinnecy Reply
can someone help me with some logarithmic and exponential equations.
Jeffrey Reply
sure. what is your question?
ninjadapaul
20/(×-6^2)
Salomon
okay, so you have 6 raised to the power of 2. what is that part of your answer
ninjadapaul
I don't understand what the A with approx sign and the boxed x mean
ninjadapaul
it think it's written 20/(X-6)^2 so it's 20 divided by X-6 squared
Salomon
I'm not sure why it wrote it the other way
Salomon
I got X =-6
Salomon
ok. so take the square root of both sides, now you have plus or minus the square root of 20= x-6
ninjadapaul
oops. ignore that.
ninjadapaul
so you not have an equal sign anywhere in the original equation?
ninjadapaul
Commplementary angles
Idrissa Reply
hello
Sherica
im all ears I need to learn
Sherica
right! what he said ⤴⤴⤴
Tamia
hii
Uday
what is a good calculator for all algebra; would a Casio fx 260 work with all algebra equations? please name the cheapest, thanks.
Kevin Reply
a perfect square v²+2v+_
Dearan Reply
kkk nice
Abdirahman Reply
algebra 2 Inequalities:If equation 2 = 0 it is an open set?
Kim Reply
or infinite solutions?
Kim
The answer is neither. The function, 2 = 0 cannot exist. Hence, the function is undefined.
Al
y=10×
Embra Reply
if |A| not equal to 0 and order of A is n prove that adj (adj A = |A|
Nancy Reply
rolling four fair dice and getting an even number an all four dice
ramon Reply
Kristine 2*2*2=8
Bridget Reply
Differences Between Laspeyres and Paasche Indices
Emedobi Reply
No. 7x -4y is simplified from 4x + (3y + 3x) -7y
Mary Reply
is it 3×y ?
Joan Reply
J, combine like terms 7x-4y
Bridget Reply
how do you translate this in Algebraic Expressions
linda Reply
Need to simplify the expresin. 3/7 (x+y)-1/7 (x-1)=
Crystal Reply
. After 3 months on a diet, Lisa had lost 12% of her original weight. She lost 21 pounds. What was Lisa's original weight?
Chris Reply
what's the easiest and fastest way to the synthesize AgNP?
Damian Reply
China
Cied
types of nano material
abeetha Reply
I start with an easy one. carbon nanotubes woven into a long filament like a string
Porter
many many of nanotubes
Porter
what is the k.e before it land
Yasmin
what is the function of carbon nanotubes?
Cesar
I'm interested in nanotube
Uday
what is nanomaterials​ and their applications of sensors.
Ramkumar Reply
what is nano technology
Sravani Reply
what is system testing?
AMJAD
preparation of nanomaterial
Victor Reply
Yes, Nanotechnology has a very fast field of applications and their is always something new to do with it...
Himanshu Reply
good afternoon madam
AMJAD
what is system testing
AMJAD
what is the application of nanotechnology?
Stotaw
In this morden time nanotechnology used in many field . 1-Electronics-manufacturad IC ,RAM,MRAM,solar panel etc 2-Helth and Medical-Nanomedicine,Drug Dilivery for cancer treatment etc 3- Atomobile -MEMS, Coating on car etc. and may other field for details you can check at Google
Azam
anybody can imagine what will be happen after 100 years from now in nano tech world
Prasenjit
after 100 year this will be not nanotechnology maybe this technology name will be change . maybe aftet 100 year . we work on electron lable practically about its properties and behaviour by the different instruments
Azam
name doesn't matter , whatever it will be change... I'm taking about effect on circumstances of the microscopic world
Prasenjit
how hard could it be to apply nanotechnology against viral infections such HIV or Ebola?
Damian
silver nanoparticles could handle the job?
Damian
not now but maybe in future only AgNP maybe any other nanomaterials
Azam
Hello
Uday
I'm interested in Nanotube
Uday
this technology will not going on for the long time , so I'm thinking about femtotechnology 10^-15
Prasenjit
can nanotechnology change the direction of the face of the world
Prasenjit Reply
At high concentrations (>0.01 M), the relation between absorptivity coefficient and absorbance is no longer linear. This is due to the electrostatic interactions between the quantum dots in close proximity. If the concentration of the solution is high, another effect that is seen is the scattering of light from the large number of quantum dots. This assumption only works at low concentrations of the analyte. Presence of stray light.
Ali Reply
the Beer law works very well for dilute solutions but fails for very high concentrations. why?
bamidele Reply
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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Source:  OpenStax, Sosiale wetenskappe: aardrykskunde graad 5. OpenStax CNX. Sep 22, 2009 Download for free at http://cnx.org/content/col10985/1.2
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