Author Question: The key distinction between malignant and benign tumors is that a. malignant tumors mostly appear ... (Read 92 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?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

For a complete list of videos, visit our video library