BIO 152- A&P II Final Exam-with 100% verified answers-2022

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The neuron pictured, below, is best described as: Bipolar It has two extensions from the central cell body. Multipolar Unipolar Pseudounipolar Name and describe what i... s occurring in the neuron cell membrane in section 4 of the diagram. Include the charge of the membrane during this phase. Your Answer: • Afterpolarization (Hyperpolarization) Potassium gates are slow to close and there is an undershoot of the potential. • The charge drops below -70mV and then returns to -70mV once at resting state again. Where is the integration center of a reflex located? CNS (central nervous system) What is true about the flexor withdrawal reflex? A. It does not involve interneurons. B. It involves excitatory interneurons. C. It involves inhibitory interneurons. D. The effect of the reflex is to create a co-contraction of two muscles E. A&D F. B&C Label the nerves (A-C) in the figure below: A: B: C: A- Lateral femoral cutaneous B- Femoral nerve C- Saphenous Which of the following is most likely a symptom of ALS? Impaired ability to swallow Decreased sensation in the hands Shrinkage of cerebral cortex CONTINUED.................. [Show More]

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