Asked by Ashley Saylors on Jul 14, 2024
Verified
Some drugs mimic a neurotransmitter's effect on a postsynaptic cell; for example, morphine and heroin bind to receptors for ____.
A) acetylcholine
B) dopamine
C) adenosine
D) serotonin
E) endorphins
Neurotransmitter
Chemical signal released by axon terminals of a neuron.
Endorphins
Naturally occurring peptides produced in the brain that act as neurotransmitters to reduce the perception of pain and promote feelings of pleasure.
Morphine
An opiate analgesic derived from the opium poppy used for pain relief.
- Identify the role of neurotransmitters and how drugs can mimic or block their effects.
Verified Answer
MN
Melanie NowellJul 20, 2024
Final Answer :
E
Explanation :
Morphine and heroin bind to receptors for endorphins, which are the body's natural pain relievers. This is why these drugs are classified as opioid painkillers.
Learning Objectives
- Identify the role of neurotransmitters and how drugs can mimic or block their effects.