14. Which part of the neuron looks like the branches of a tree? A) axon B) cell

Question

14. Which part of the neuron looks like the branches of a tree? A) axon B) cell body C) dendrites D) myelin sheath 15. Theis an insulating layer of a white fatty substance. A) glial cell B) dendrite C) axon D) myelin sheath Recycling is to aluminum cans as A) reuptake B) synapses C) myelination; axons D) enzymes ?16. is (are) to neurotransmitters. -17. In studying the brainthe in, the technique involves detection of radioactive substances and the technique involves the detection of the amount of being used by brain areas. A) fMRI; X-ray B) X-ray; PET scan C) fMRI; PET scan D) PET scan; fMRI 18. The neurotransmitter implicated in the memory losses associated with Alzheimer's disease iS A) acetylcholine B) dopamine C) GABA D) serotonin 19. Low levels of the neurotransmitter are associated with Parkinson's disease. A) ACh B) dopamine C) serotonin D) GABA _20. How do drugs such as Prozac work to reduce depression? A) B) C) D) They block the reuptake of serotonin. They block the release of serotonin. They block the reuptake of GABA. They block the release of GABA.

Explanation / Answer

If you closely look at a picture of the neuron, you would notice structures which resemble the branches of a tree. This is called the dendrites. The dendrites receive neural impulses from the cell which it further passes down to the connecting dendrites which carry information through the synaptic gap, further up the axon to the cell and to the dendrites again.

Thus, the correct answer is option, C.

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