When Clyde Is Pricked by a Needle,the Sharp Pain Signal

question 41

Multiple Choice

When Clyde is pricked by a needle,the sharp pain signal is carried to the brain by ____fibers.The next day,Clyde feels a dull ache around the spot where he was pricked; this information is carried by ____ fibers

• A) A-delta; C
• B) C; A-delta
• C) A-delta; A-delta
• D) C; C

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Definitions:

Genetic Mutation

A change in the DNA sequence that can lead to different genetic traits, potentially causing various diseases or conditions.

Chemoreceptors

Sensory receptors that detect chemical stimuli, either from the environment or within the body, and transmit this information to the nervous system.

Proprioceptors

Sensory receptors, found chiefly in muscles and tendons, that detect the motion or position of the body or a limb by responding to stimuli originating within the organism.

Glutamate

An important neurotransmitter in the brain that plays a key role in cognitive functions such as learning and memory.