A key reason as to why malignant tumors are deadly is that such ...

[Mr3Hunna]

A key reason as to why malignant tumors are deadly is that such tumors
 
  A) can compress liver and pancreatic cells.
  B) can grow quickly.
  C) are difficult to remove from gut
  D) destroy other brain cells through apoptosis.
  E) secrete toxic acids

Question 2

Which of the following is not a characteristic of a benign tumor?
 
  A) The tumor is harmless.
  B) The tumor is encapsulated.
  C) The tumor cells do not perform a useful function.
  D) The tumor grows by infiltrating other brain regions.
  E) The tumor has a distinct border.

[Galvarado142]

Answer to Question 1

Answer: B
Rationale: A key reason as to why malignant tumors are deadly is that such tumors can grow quickly.

Answer to Question 2

Answer: D
Rationale: A benign tumor does not grow by infiltrating other brain regions.

[Mr3Hunna]

Excellent

[Kedrick2014]

Gracias!