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MCAT Biological and Biochemical Foundations of Living Systems Flashcards: 3a Nervous System Organization Function

Study 3a Nervous System Organization Function in MCAT Biological and Biochemical Foundations of Living Systems with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

Which glial cells myelinate axons in the peripheral nervous system?

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ANSWER

Schwann cells. These PNS glial cells individually myelinate axons, aiding in nerve regeneration and signal conduction.

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MCAT Biological and Biochemical Foundations of Living Systems: Foundational Concept 3: Organ Systems and Homeostasis

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What this deck covers

This deck focuses on 3a Nervous System Organization Function, giving you a quick way to review the definitions, rules, and examples that matter most for MCAT Biological and Biochemical Foundations of Living Systems.

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Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 50Practice questions for this set
A neuron receives two simultaneous synaptic inputs: an excitatory synapse on a distal dendrite and an inhibitory synapse located on the soma near the axon hillock. Both synapses are activated at the same time with equal transmitter release probability. The inhibitory receptor is a ligand-gated Cl−^- channel whose reversal potential is near the resting membrane potential. Based on the scenario, which function is most consistent with the somatic inhibitory synapse? Assume: action potentials initiate at the axon hillock when local depolarization reaches threshold.
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