Biom 3090 Final Exam Updated Actual Questions And Correct Answers

BIOM 3090 FINAL EXAM UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS

Question:
1. Questions and CORRECT




Answer:
Answers

,Question:
2. drugs affecting the CNS

Answer:
- most widely used group of pharmacological agents
(includes: alcohol, cannabis & caffeine)
- act primarily by altering synaptic transmission
- mechanisms not always clearly understood
- causes neurochemical change

Question:
3. organization of the CNS

Answer:
- CORTEX: sensory, motor, thought processes,
communicates with other areas of CNS
- LIMBIC SYSTEM: emotion, learning, memory
- MIDBRAIN/BRAIN STEM: reflex pathways,
information relay (to and from brain and body),
awareness, alertness, arousal

Question:
4. - communicating cells via neurotransmitters




Answer:
neurons

Question:
5. types of neurons according to location

Answer:
- interneurons: communicate within same brain region
(stay in one place)
- projection neurons: axons project from one brain
region to another (cell body in one area, axon in
another)

, Question:
6. how are neurons organized

Answer:
into circuits

Question:
7. what do neurons do to ultimately
create an output

Answer:
- integration of information from interneurons +
projection neurons

Question:
8. does a neurochemical change only
affect 1 neuron?

Answer:
- no since they are interconnected neurochemical
change affects multiple neurons

Question:
9. neurodegenerative disease/CNS
disorder

Answer:
- imbalance in neurotransmission = symptoms
- loss of particular population of neurons
- drugs attempt to restore balance

Question:
10. drugs of abuse

Answer:
- imbalance in neurotransmission
- drugs used for behavioural effects by imbalance

Question:
11. glutamate

Answer:
- relay neurons throughout the CNS
- act on NMDA and non NMDA receptors