
Digestia gastrica

Quiz
•
Biology
•
11th Grade
•
Hard
Maria Postolache
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chimul gastric:
Lichid laptos, rezultat in urma digestiei alimentelor din intestin.
Forma imediata a alimentelor dupa masticatie.
Pasta omogena rezultata in urma activitatilor secretorii si motorii a stomacului.
2.
MULTIPLE SELECT QUESTION
30 sec • 2 pts
Acidul clorhidric:
Este necesar pentru digestia proteinelor.
Hidrolizeaza gelatina.
Impiedica proliferarea coloniilor de bacterii patogene.
Asigura un pH optim pentru actiunea pepsinei.
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Glandele pilorice:
Secreta HCl.
Contin celule G, care elibereaza gastrina.
NU secreta mucus.
4.
MULTIPLE SELECT QUESTION
45 sec • 2 pts
Despre peristaltism sunt adevarate urmatoarele:
Sunt miscarile care propulseaza alimentele.
Sunt miscarile du-te vino ale chimului.
Forta acestor contractii este controlata de gastrina si acetilcolina.
Amesteca alimentele cu secretiile gastrice.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mucusul:
Protejeaza mucoasa gastrica de aciditatea HCl-ului.
Coaguleaza secretiile gastrice.
Ajuta la evacuarea continutului gastric in duoden.
6.
MULTIPLE SELECT QUESTION
45 sec • 2 pts
Pepsina:
Initiaza digestia proteinelor.
Forma activa a pepsinogenului.
Hidrolizeaza lipidele.
Scindeaza proteinele la stadiul de aminoacizi.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lipaza gastrica:
Hidrolizeaza lipidele la stadiul de acizi grasi si glicerol.
Necesara pentru digestia proteinelor.
Activata in contact cu HCl.
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