PATHOLOGY MCQ
NERVOUS SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Dr. Vazquez is examining a cell from the nervous system of an animal. He notices that at one end of the cell body is a long, fibrous strand of tissue. He immediately recognizes this as an axon that is responsible for
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carrying signals away from the cell body
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receiving signals from other cells and carrying them toward the cell body.
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determining the speed at which an action potential will travel
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determining whether the cell inhibits or excites neighboring neurons
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Explanation:
Detailed explanation-1: -The nervous system uses tiny cells called neurons (NEW-ronz) to send messages back and forth from the brain, through the spinal cord, to the nerves throughout the body. Billions of neurons work together to create a communication network.
Detailed explanation-2: -Neurons are specialized cells, found in the nervous system, which transmit information.
Detailed explanation-3: -Receptors. Receptors are groups of specialised cells. They detect a change in the environment (stimulus). In the nervous system this leads to an electrical impulse being made in response to the stimulus.
There is 1 question to complete.