The Brain, Biology & Behavior Multiple Choice- choose the most correct answer 1-

Question

The Brain, Biology & Behavior Multiple Choice- choose the most correct answer 1- A specialization within psychology devoted to the study of how the brain and nervous system relate to behavior is: a. Neurocology b. Physiosomatics d. biosomatic physiogamy 2. The brain consists of approximately 100 billon nerve cells called: a. Somas b. nuclei c. neurilemmas d. neurons 3. Neurons are made up of dendrites, a soma, and: a. Axons b. axles c. atoms d. axes 4· The part of the nerve cell specialized for conducting information is the: a. Axon b. cell body oma d. neurilemma 5. Which of the following is NOT a part of a neuron? a. Axon b. axon terminal synapse d. soma 6. Information is received by a nerve cell at the: a. Axon b. nucleus c. dendrites d. telodendria 7. The conduction of a nerve impulse down the axon is called a(n): c. resting discharge d. synapse a. Ion potential b. Action potential 8. The "all-or-nothing" refers to the fact that: a. Nerve cells are continuously active Action potentials occur completely or not at all An electrical current crosses the synapse completely or not at all b. d. All the neurons in a particular "lobe" of the brain fire or none of them fire 9. A fatty layer coating some axons is called: c. a. Neurilemma b. soma c myelin d. acetylcholine 10. A microscopic space between two neurons is called a(an): d. synapse a. Enkephalins b acetylcholine c. catecholamine The paralyzing effect of curare is caused by its ability to: ,,· a. b. c. Block the action of acetylcholine at neuron-muscle synapses Create an imbalance in the sodium content in the dendrite Produce an overproduction of acetylcholine in the neural soma d. Produce a disintegration at the synapse

Explanation / Answer

1. c

2. d

3. a

4. a

5. c

6. d

7. b

8. b

9. c - neurilemma includes the meyelin sheath

10. d

11. a

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