Chapter 8

Question 1

The strength of a signal is coded in what?

Answer 1

Frequency

Question 2

What receptors activate G-Proteins?

Answer 2

Adrenergic Receptors
Muscarine Cholingeric
Nicotinic Cholingeric

Question 3

Acetylcholine can activate an adrenergic receptor

Answer 3

False

Question 4

A single neuron sending the same signal repeatedly is called _______ summation

Answer 4

Temporal

Question 5

Nicotine is an agonist for epinephrine

Answer 5

False

Question 6

What does calcium directly cause in establishing an action potential in a post synaptic cell

Answer 6

Exocytosis

Question 7

Role of calcium in the axon terminal steps

Answer 7

1. Action potential reaches axon terminal
2. Voltage gated Ca+ Channels open
3. Calcium influx
4. Hormone is released

Question 8

Neuron A and Neuron B send depolarizing signals to Neuron C. This would be an example of?

Answer 8

Spatial Summation

Question 9

What is frequency coding?

Answer 9

The more stimuli there is, the stronger the action potential it is. An example:

Question 10

Nicotinic does what

Answer 10

opens ion channels

Question 11

Muscarinic does what

Answer 11

Activates G Protein