Why do neurons rely so heavily on glucose as their source of ...

[abc]

Why do neurons rely so heavily on glucose as their source of nutrition?
 
  a. Neurons lack the enzymes necessary to metabolize other fuels.
 b. Glucose is the only fuel that can be used even in the absence of vitamins.
  c. Glucose is not used extensively by other parts of the body.
 d. Other fuels do not readily cross the blood-brain barrier.

Question 2

What is the main source of nutrition for vertebrate neurons?
 
  a. fats
 b. glucose
 c. sodium
 d. complex carbohydrates

[aham8f]

Answer to Question 1

d

Answer to Question 2

b

[abc]

Wow, this really help

[AmberC1996]

Thanks for the timely response, appreciate it