
igiena lp
Authored by Dariana Gabor
Science
1st Grade
10 Questions
Used 8+ times

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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Peste ce procent de methemoglobină din totalul de hem. din sânge apar semnele clinice grave precum și comă, aritmii fatale, șoc cardiocirculator , convulsii?
1-2%
10-20%
45-55%
70-75%
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Methemoglobinemia infantilă (MI), care apare in primele 4 luni de viata, este cauzata de mai multe cauze, intre care se include:
generarea exogena de saruri de azot in intstinul sugarului prin actiunea florei microbiene intestinale asupra nitratilor din alimente
generarea endogena de oxizi de azot in intestinul sugarului prin actiunea florei intestinale asupra nitratilor din alimente
antibioticele din clasa cefalosporinelor
apa din fantana poluata cu fosfati
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care dintre factorii urmatori contribuie la cresterea susceptibilitatii la methemoglibinemie infantila a sugarilor si copiilor mici?
activitatea crescuta de NADH reductazei MHb dependente
o proportie mai mica de Hb fetala(care poate fi oxidata mai lent in CoMHb decat cea adulta)
un nivel crescut al pH ului gastric, ce duce la colonizare bacteriana crescuta a stomacului
un aport scazut de lichide raportat la inaltime
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Planul de management unui caz de methemoglobinemie include:
corectarea oricarei anemii severe preexistente si refacerea Hb si a hematocritului cu transfuzii de imunoglobline specifice
hiperoxigenare cu CO2 100% sau CO2 hiperbaric in cazuri grave
administrarea intravenoasa a antidotului albastru de metilen (daca nu este contraindicata) peste >20% MHb
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care dintre urmatoarele e o metoda de preventie a methemoglobinemiei infantile (MI) cunoascuta si sub numele de cianoza generalizata a nou nascutului?
fierberea apei la 80 grade celsius timp de 15 min
dezinfectia apei cu agenti dezinfectanti clorigeni
filtrarea apei utilizand filtre magnetice anticalcar
substituirea apei din fantani contaminate cu apa imbuteliata de origie controlata pt prepararea formulelor de lapte
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este adancimea minima a panzei de apa freatica folosita ca sursa de apa potabila?
3 m
6 m
9 m
12 m
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Methemoglobinemia este o boala caracterizata prin:
cianoza,stupoare si anoxie cerebrala
tremor intens , mai pronuntat la membrele superioare si in regiunea periorala
onicomicoza care nu raspunde la tratament antimioticotic administrat topic (local)
pierderea simtului olfactiv , care deseori se asociaza cu tulburari de deglutite
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