Author Question: The key distinction between malignant and benign tumors is that a. malignant tumors mostly appear ... (Read 59 times)

corkyiscool3328

  • Hero Member
  • *****
  • Posts: 539
The key distinction between malignant and benign tumors is that
 
  a. malignant tumors mostly appear within structures that are adjacent to large blood vessels.
  b. a benign tumor is encapsulated by a distinct border.
  c. benign tumors are invariably larger than malignant tumors.
  d. malignant tumors arise from neurons rather than glia.
  e. benign tumors induce apoptosis but malignant tumors do not.

Question 2

Malignant brain tumors are deadly because such tumors
 
  a. can increase the flow of cerebrospinal fluid, thus causing hydrocephalus.
  b. release glutamate.
  c. give off cells that travel to other body areas and result in new tumors.
  d. release glycine, which kills nearby cells.
  e. can only be confirmed at autopsy.



lorealeza

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

Answer: b. a benign tumor is encapsulated by a distinct border.

Answer to Question 2

Answer: c. give off cells that travel to other body areas and result in new tumors.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

For a complete list of videos, visit our video library