Biopsychology

Question 1

What are the two main divisions of the nervous system?

Answer 1

Central Nervous System (CNS) and Peripheral Nervous System (PNS).

Question 2

What is the role of the CNS?

Answer 2

Processes information and coordinates responses.

Question 3

What is the role of the PNS?

Answer 3

Transmits information to and from the CNS.

Question 4

What is synaptic transmission?

Answer 4

The process by which neurons communicate via neurotransmitters.

Question 5

What is the difference between excitatory and inhibitory neurotransmitters?

Answer 5

Excitatory (e.g., adrenaline) increases the chance of an action potential, inhibitory (e.g., GABA) decreases it.

Question 6

What triggers the fight or flight response?

Answer 6

Activation of the sympathetic nervous system in response to stress.

Question 7

What role does the adrenal gland play in fight or flight?

Answer 7

Releases adrenaline, increasing heart rate and alertness.