from one neuron have on the next neuron? 12. What effect do a. They have no effe
ID: 3490426 • Letter: F
Question
from one neuron have on the next neuron? 12. What effect do a. They have no effect b. They excite it c they inhibit it d. they may excite or inhibit it 13. Many of the chemicals that affect the brain operate by 3 the effect of potassium in the nuclei to help relieve 14. The brain produces opiate-like neural regulators called c enkephalins d. dopamine Needles inserted into the body during the acupuncture procedure may relieve pain because they a Result in the release of the body's satural opiates b. Facilitate the functioning of pain-relieving beurons c. Paralyze the central nervous system d. Suppress the production of all neurotransmitters 15. 16. The use of PET scans to study which parts of the brain are active during mental those that were b. Glacose is consumed by the beain when n is active e Implanted electrodes provide the best means to study neural activity deep in the brain d. Brain activity increases the lWkelihood that refiexes will occur 17. An elderly woman soffers a stroke, and there was injury to Broca's area of her c. mind blindness d. neglect 18. As agnosia is a The inabiluty to denuify objects 9 An elderly scquaintance of yours has suffered from partial Mindness since he had a stroke. Apparently the stroke damaged his a Oucipinal lobe b. Parvetal obeExplanation / Answer
12. d. They may excite or inhibit it.
Neurotransmitters either excites the neurons to fire an action potential at the synapse or inhibits the action potential at postsynaptic cell.
13. b. imitating or cancelling the effects of neurotransmitters.
14. c. enkephalins.
15. b. Facilitates the functioning of pain relieving neurons.
16. b. Glucose is consumed by the brain when it is active.
17. a. Aphasia
18. a. Agnosia is the inability to identify objects.
29. a. Occipital lobe.
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