Psychology 1

Question 1

What are the 2 main divisions of the nervous system ?

Answer 1

Central Nervous system - Made up of your brain and spinal cord

Peripheral Nervous System- nerves that send messages to and from CNS to other parts of the body

Question 2

What are the 2 divisions of the peripheral nervous system

Answer 2

Autonomic - controls involuntary body functions

Somatic- controls volunatary muscles and transmits sensory information to the cns

Question 3

sensory nerve

Answer 3

sensory nerves carry signalds to your brain to help you touch,taste,smell and see

Question 4

motor nerves

Answer 4

motor nerves carry signals to your muscles to help you move and function

Question 5

4 different types of receptors

Answer 5

Mechanoreceptors - Hearing
Photorecpetors- sight
Thermoreceptors- Temprature
Chemoreceptors- Smell Taste

Question 6

what are neurotransmitters

Answer 6

Chemical messengers that diffuse across a synapse

Question 7

Outline the steps involved in a stimulus passing through a synapse

Answer 7

1. Electrical reaches axon terminal
2. Vesicles containing NT move to the end of the nerve cell and release NT into the synapse.
3. NT diffuses across the synapse.
4. NT binds to receptors on the post synaptic nerve triggering an electrical signal

Question 8

Function of the frontal lobe

Answer 8

• motor functions
• language
• planning
  -judgement
  -problem solving

Question 9

Function of Hypothalamus

Answer 9

• Sleep
  -Regulation of body temp
• Tells other glands what to do

Question 10

Function of Occipital Lobes

Answer 10

Responsible for processing visual info from the eye

Question 11

function of parietal lobes

Answer 11

• touch
  -pressure
  -temp
  -pain

Question 12

Function Medulla

Answer 12

Controls automatic functions, including heartbeat , breathing