Withdrawal symptoms for cocaine are usually ______ in duration ...

[newyorker26]

Withdrawal symptoms for cocaine are usually ______ in duration and involve a period of
   ______ depression.
 
  a. brief, mild c. brief, intense
   b. extended, mild d. extended, intense

Question 2

When cancer cells have are no longer contained in their reproduction and have spread to multiple sites in the body, they are said to have_______.
 
  a. eliminated the effectiveness of helper Z cells in the body
  b. mutated
  c. metastasized
  d. infiltrated

[Bison]

Answer to Question 1

C

Answer to Question 2

C

[newyorker26]

Excellent

[abro1885]

Great answer, keep it coming