Lecture 4 - 2/4

Question 1

Multipolar

Answer 1

Many dendrites, one axon.

Question 2

Bipolar

Answer 2

one axon, one dendrite

Question 3

Unipolar

Answer 3

One process from the body

Question 4

Interneurons

Answer 4

Connect neurons within the CNS.

Question 5

Which two neurotransmitters make 90% of neurons in the brain?

Answer 5

GABA & Glutamate.

Question 6

What are the steps of the sodium/potassium pump?

Answer 6

1. Sodium/potassium pump produces tension by ionic imbalance.
2. Sodium channels open sequentially.
3. Sodium moves back in.
4. Axon terminal calcium influx, releases neurotransmitter into synapse.
5. Neurotransmitter interacts with receptor
6. Process starts over in the next neuron.