The main characteristic of type II alveolar cells in EM is ()
A. numerous surface microvilli
B. abundant mitochondria
C. a number of lysosomes
D. many lamellar bodies
E. rich in RER
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Surfactant is secreted by ()
A. type I alveolar cells
B. type II alveolar cells
C. dust cells
D. fibroblasts
E. pulmonary endocrine cells
Which is wrong about hepatocyte? ()
A. The synthesis of bile is related with RERs
B. The hepatocyte is polyhedron
C. The excretion of bile is related with Golgi complex
D. The microbody participates to detoxication
E. The cytoplasm of hepatocyte is abundant, containing lots of glycogen granules
Human hepatic lobule is ()
A. vary in size and shape
B. round and oval
C. polygonal prism
D. square cylinder
E. cylinder
Which is wrong about pancreatic islet? ()
A. There are abundant capillaries between cells
B. It is composed of endocrine cells to form group
C. There are A、B、D and PP cells in HE staining section
D. The pancreatic islets are vary in size
E. It is located between acini
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