【单选题】Which of the following is wrong about the gastrointestinal hormones?
A.
exist only in the GI tract
B.
they are secreted by the endocrine cells in the mucosa layer of GI tract
C.
All the gastrointestinal hormones are peptides.
D.
regulate both the motility and serection of the GI tract
【单选题】人体必需的营养物质包括
A.
蛋白质、糖、脂肪、维生素、矿物质、无机盐和水
【单选题】The blood supply to the gastrointestinal organs:
A.
Is constant in its pattern
B.
In the adult, always courses between layers of mesentery
C.
Rarely contains vasa recta
D.
Commonly form anastomotic connections
【单选题】营养素是人类维持生命和身体健康,从外界摄取的经过消化吸收而能被机体利用的各种营养物质,一般包括
【单选题】营养素是人类维持生命和身体健康,从外界摄取的经过消化吸收而能被机体利用的各种营养物质,一般包括
【单选题】Which of the following is wrong about the gastrointestinal hormones?
A.
由散在于黏膜层的内分泌细胞分泌 they are secreted by the endocrine cells in the mucosa layer of GI tract
B.
All the gastrointestinal hormones are peptides.
C.
exist only in the GI tract
D.
regulate both the motility and serection of the GI tract