【单选题】Which of the following statement about pancreatic juice is true
A.
The pH value of the pancreatic juice is about 7.0
B.
its secretion is mainly regulated by nerves
C.
It's hardly secreted during the non-digestive period
D.
Pancreatic enzymes are secreted mainly by small ductal cell
【单选题】Which of the following statement about pancreatic juice is true
A.
The pH value of the pancreatic juice is about 7.0
B.
its secretion is mainly regulated under the control of neural regulation
C.
It's hardly secreted during the non-digestive period
D.
Pancreatic enzymes are secreted mainly by small ductal cell
【单选题】以下关于血管内皮生长因子(VEGF)描述错误的是()
【单选题】A cell and B cell of pancreatic islet secretes following hormone respectively( )
A.
pancreatic polypeptide, somatostatin
E.
glucagon, pancreatic polypeptide
【多选题】组成发动机的两大机构五大系统中的两大机构是什么
【简答题】汽油发动机的两大机构及五大系统,分别指的什么?
【多选题】Pancreatic islet can secrete( )
B.
pancreatic polypeptide
【单选题】发动机“两大机构、五大系统”中两大机构分别为_______、_______。( )
【多选题】发动机由两大机构和五大系统组成,两大机构包括 ( ) 。