The receptors for ________ tastes detect the presence of hydrogen ...

[Tazate]

The receptors for ________ tastes detect the presence of hydrogen ions.
 
  A) sour
  B) umami
  C) salty
  D) sweet
  E) bitter

Question 2

Imaging studies indicate that the ________ plays a key role in the perceived intensity of pain, while the activity of the ________ is related to the unpleasantness of pain.
 
  A) periaqueductal gray matter; reticular formation
  B) somatosensory cortex; anterior cingulate cortex
  C) anterior cingulate cortex; secondary somatosensory cortex
  D) lateral hypothalamus; medial amygdala
  E) reticular formation; periaqueductal gray matter

[dellikani2015]

Answer to Question 1

Answer: A

Answer to Question 2

Answer: B

[Tazate]

Thanks for the timely response, appreciate it

[Missbam101]

TYSM