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Lecture 5.2: Synaptic Drug Interactions

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Questions and Answers

What is the primary function of dopamine in the brain?

Stimulating the immune system

Enhancing memory and learning

Controlling the brain's pleasure and reward centers (correct)

Regulating sleep patterns

How do bacteria generally enter the body?

Through airborne transmission

Through a break in the skin such as a cut or puncture wound (correct)

Through direct contact with an infected person

Through contaminated food and water

What is the effect of cocaine on the dopamine system?

It increases D2 receptor density

It has no effect on D2 receptor density

It increases dopamine release

It reduces D2 receptor density (correct)

What is the function of an excitatory synapse?

To depolarize the membrane potential towards threshold Signup and view all the answers

What is the role of synaptic integration?

To summated the EPSPS and IPSPs generated at the postsynaptic membrane Signup and view all the answers

What can drugs interact with to influence neurotransmission?

Synapses Signup and view all the answers

What is one way in which synaptic drug interactions can occur?

By altering the synthesis of a neurotransmitter Signup and view all the answers

What is the effect of botulinum toxin on neuromuscular junctions and other synapses?

It inhibits the release of acetylcholine Signup and view all the answers

What is the effect of tetanus toxin on skeletal muscles?

It decreases the release of GABA Signup and view all the answers

What is the primary focus of the 'Mouse Party' presentation?

The effects of dopamine on the brain's reward pathway Signup and view all the answers

What type of bacterium produces botulinum toxin?

Gram-positive anaerobe Signup and view all the answers

Where is tetanus toxin commonly found?

All of the above Signup and view all the answers