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Cel 1: samenvatting medische fysica (1ste bach GNK en THK)(Prof Bacher)

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samenvatting alle te kennen hoofdstukken van medische fysica uit het vak CEL I (1ste bachelor geneeskunde en tandheelkunde) bevat samenvatting van cursus, ppt en tekeningen uit de lessen van Prof Bacher deel 1: druk, bio-elektriciteit, wisselstroom deel 2: fysische basis van de microscopie

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Hoofdstuk 2 Druk en stromingen in het lichaam................................................................................................ 4
1. Druk en volumedebiet................................................................................................................................ 4
Hydrostatica:.............................................................................................................................................. 4
2. De stromingsregimes................................................................................................................................. 4
Stationaire of nt-stationaire stroming......................................................................................................... 4
Wervelvrije of turbulente stroming............................................................................................................. 4
Compressievrije of samendrukbare stroming.............................................................................................. 4
Visceuze of nt-visceuze stromingen............................................................................................................ 4
3. Continuïteitsvergelijking............................................................................................................................. 4
Stroomlijn en stroombuis + continuïteitsvgl............................................................................................... 4
4. Vergelijking van Bernoulli: verband tuss stromingssnelh + druk (nt-visceus fluidum)...............................5
Toepassing op de bloedsomloop................................................................................................................. 5
5. Stromingsdebiet en -weerstand bij een visceus fluidum: wet van Poiseuille..............................................6
Laminaire en turbulente stromingen........................................................................................................... 6
Wet van Poiseuille: stromingsweerstand bij laminaire stromingen.............................................................6
6. Viscositeit van bloed.................................................................................................................................. 7
7. Drukverloop in de circulatie....................................................................................................................... 7
8. Invloed lichaamshouding op bloeddruk...................................................................................................... 8
9. De sphygmomanometer voor bloeddrukmetingen.....................................................................................8
Hoofdstuk 3: Bio-elektriciteit............................................................................................................................. 8
1. Basisbegrippen van elektriciteit................................................................................................................. 8
Dipoolmoment p (streepje op).................................................................................................................... 9
Netwerken................................................................................................................................................ 10
2. De RC-keten............................................................................................................................................. 10
Rustmembraanpotentiaal......................................................................................................................... 10
actiepotentiaal.......................................................................................................................................... 11
Het opladen van de condensator.............................................................................................................. 11
Het ontladen van de condensator............................................................................................................. 12
3. Bioelektriciteit vd cel: rustmembraanpotentiaal.......................................................................................12
3. Bioelektriciteit vd cel: actiepotentiaal...................................................................................................... 13
4. Ladingstransport langs een zenuwvezel................................................................................................... 13
1. Mergloze zenuwvezels.......................................................................................................................... 13
2. Zenuwvezels met myelineschede......................................................................................................... 13
5. Elektrische hartactiviteit: het ECG............................................................................................................ 14
1. Wisselspanning: karakteristieken............................................................................................................. 14
2. De effectieve waarde vd wisselspanning.................................................................................................. 15
3. De impedantie v/e wisselstroomketen...................................................................................................... 15
3.1 Keten bevat alleen weerstand R......................................................................................................... 15
3.2 Keten bevat alleen condensator met capaciteit C...............................................................................15
3.3 Kring bestaat uit parallelschakeling v R en C elementen en een bron v wisselspanning Ve................15
3.4 Impedantie Z...................................................................................................................................... 16

, 4. Stroomdoorgang door lichaam bij wisselspanning....................................................................................16
4.1 Huidverbranding................................................................................................................................. 17
4.2 Verstoring vd hartfunctie: kamerfibrilleren waarbij pompfunctie wegvalt...........................................17
4.3 Cannot-let-go-current verschijnsel...................................................................................................... 18
Hoofdstuk 5: diagnostiek met elektromagnetische golven..............................................................................19
CEL II: FYSISCHE BASIS VAN DE MICROSCOPIE................................................................................................20
Hoofdstuk 1: Diffractie................................................................................................................................. 20
1. Superpositie van golven....................................................................................................................... 20
2. Diffractie van elektromagnetische golven.............................................................................................20
3. Onderscheidend vermogen v/e optisch instrument...............................................................................21
Hoofdstuk 2: Lenzenaberraties..................................................................................................................... 22
1. Sferische aberratie................................................................................................................................ 22
2. Chromatische aberratie........................................................................................................................ 22
3. Beeldvlakkromming.............................................................................................................................. 22
Hoofdstuk 3: Principe van de microscoop..................................................................................................... 23
Hoofdstuk 4: Breedveld lichtmicroscoop met Köhler verlichting...................................................................23
1. Belichting en beeldvorming.................................................................................................................. 23
2. Objectief............................................................................................................................................... 23
3. Condensor............................................................................................................................................ 24
4. Oculair.................................................................................................................................................. 24
Hoofdstuk 5: Fase contrast microscopie....................................................................................................... 25
Hoofdstuk 6: NIET KENNEN........................................................................................................................... 25
Hoofdstuk 7: Fluorescentiemicroscopie........................................................................................................ 25
Hoofdstuk 8: Confocale microscopie............................................................................................................ 26
Hoofdstuk 9: Elektronenmicroscopie............................................................................................................ 26
TEM: transmissie elektronen microscoop.................................................................................................. 27
SEM: scanning elektronen microscoop...................................................................................................... 27

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