Ricardo Was Given Curare and Suffered Paralysis

question 413

Multiple Choice

Ricardo was given curare and suffered paralysis. By attaching to receptor sites on his muscles, curare competes with

• A)dopamine.
• B)acetylcholine.
• C)serotonin.
• D)enkephalins.

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Definitions:

Peripheral Nerves

Nerves that are located outside of the brain and spinal cord, responsible for transmitting sensory and motor information between the central nervous system and the rest of the body.

Endorphins

Peptides produced by the central nervous system and the pituitary gland, known for their ability to act as natural painkillers.

Heroin

An opioid drug made from morphine, a natural substance taken from the seed pod of various opium poppy plants.

Neurons

Electrically excitable cells that communicate with other cells via specialized connections called synapses, functioning as the basic working unit of the brain.