Author Question: If Ca++ was blocked, a. Na+ would be stuck inside of the cell. b. neurotransmitters could not be ... (Read 5 times)

bcretired · **on:** Jun 22, 2018

If Ca++ was blocked,

a. Na+ would be stuck inside of the cell.
b. neurotransmitters could not be released from the cell.
c. voltage-gated ion channels would remain closed.
d. passive channels would close.
e. passive channels would open.

Question 2

Which of the following is true of receptors?

a. The effects of hormones do not involve receptor activation.
b. Neurotransmitters act on binding sites on receptors to exert their effects.
c. Receptors are insensitive to drugs.
d. Neuromodulators are ligands that come from outside the body.
e. Hormone receptors are found in all tissues except brain.

morrie123456 · **Reply #1 on:** Jun 22, 2018

Answer to Question 1

Answer: b. neurotransmitters could not be released from the cell.

Answer to Question 2

Answer: b. Neurotransmitters act on binding sites on receptors to exert their effects.