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PYC1501 EXAM PACK QUESTION AND COMPLETE ANSWERS
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The tutor for the first-year psychology group is dealing with the topic of impulse conduction in the human nervous system. After the group discussion, the tutor asks the students the following quest... ions to test their knowledge of the study material. The part of the neuron that is responsible for receiving information signals from other neurons is called ___. 1. Myelin sheath 2. boutons 3. dendrites 4. soma Answer: The correct answer is 3 Refer: A-Z of Psy, pg. 88 Reasoning: The soma receives messages from other neurons through its dendrites. Question 2 The part of the neuron that facilitates synaptic transmission of a signal to another neuron is called ___. 1. dendrites 2. boutons 3. axon 4. myelin sheath Answer: The correct answer is 2 Refer: A-Z of Psy, pg. 90 Reasoning: The bouton vesicles of the telondendron release the neurotransmitters into the synaptic cleft. Question 3 The electrical charge resulting from the difference between the positive and negative ions outside and inside the cell membrane is called ___. 1. the action potential 2. a threshold 3. the resting membrane potential 4. the refractory period Answer: The correct answer is 3 Refer: A-Z of Psy, pg. 67 Reasoning: The resting membrane potential is an electrical charge brought about by the difference between the positive and negative ions inside and outside the neuron. This is also called a condition of readiness. Question 4 Downloaded by: lizellecoetzee | lizelle.coetzee@yahoo.com Distribution of this document is illegal Stuvia.com - The study-notes marketplace 3 PYC1501 – Basic Psychology Which of the following statement(s) about the neuron, based on the diagram is (are) correct? 1. In accordance with all-or-nothing-law, neurons A, B, C and D will conduct an impulse at exactly the same speed, or not at all 2. In comparison with neurons A, C and D, neuron B can conduct impulses at the highest speed and a [Show More]
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