Medical researchers are interested in the toxins of cone snails ...

[penguins]

Medical researchers are interested in the toxins of cone snails for potential new treatments for ___ as well as ___.
 
  A) pain, cancer
  B) addictions, pain relief
  C) pain, epilepsy
  D) epilepsy, addictions

Question 2

As the snake that bit him slithered away, Captain Jones remembered that a poisonous species could kill by blocking either his ___ or his ___.
 
  A) sodium ion channels, calcium ion channels
  B) potassium ion channels, chloride ion channels
  C) calcium ion channels, chloride ion channels
  D) sodium ion channels, potassium ion channels

[raili21]

Answer to Question 1

C

Answer to Question 2

D