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Infants express the enzyme lactase in the intestines to metabolize lactose. What are the two products of the lactase reaction? How many pyruvate molecules can be generated from the metabolism of one molecule of lactose? How many ATP molecules can be generated from lactose under anaerobic and aerobic conditions? (ch9)

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The traditional chain of command roles and responsibilities continue in all captivity environments. The senior eligible military member assumes command over captives from all US Military Departments.

En 60-årig man ramlade för 1 år sedan med fraktur av vä fotled som följd. Efter att gipset avlägsnades märkte han att han blivit svag och att musklerna hade "krympt" på vä underben. Sjukgymnastik har ej hjälpt. För 6 månader sedan började han få problem med att skruva i skruvar samt att öppna ytterdörren till sin lägenhet med nyckel. När han anstränger sig mer lyckas han ändå inte bättre med skruvarna eller att öppna låset; utan får då muskelkramp istället. Han är jämt trött och har gått ner 15 kg i vikt, Hans fru berättar att hon "ser hans muskler arbeta". Vid undersökning är han mentalt helt klar, kranialnerverna är normala. Han är mager och man ser diffust i hela kroppen förekomst av fascikulationer. Musklerna i händerna bilat är atrofiska samt även musklerna i vä underben. Fällknivsfenomen förekommer klart vid passiv rörelse av alla fyra extremiteter. Har en lätt pares i både armar och ben, dock något mer paretisk distalt i bägge armar. Senreflexerna är generellt livliga och Babinskis tecken förekommer på höger sida. Sensibiliteten är normal.a) Vilka symtom och fynd i status relateras till det perifera och det centrala nervsystemet?b) Sannolik diagnos?c) Vilken är den viktigaste laboratorieundersökningen?

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