Which of the following are true of Action Potentials (APs) in neurons? Choose all that apply. Group of answer choices Which of the following are true of Action Potentials (APs) in neurons? Choose all that apply. Group of answer choices
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Choose the correct(s) regarding membrane potential. Select all that apply: 1. Graded potentials can be summed. 2. At rest, the neuronal membrane is more permeable to Na+. 3. Graded potentials can result in hyperpolarization or depolarization. 4. Action potentials only occur in excitable membranes. 5. Action potentials are decremental. 6. Action potentials are mediated via ligand-gated Na+ channels. 7. An action potential can only begin once the threshold is reached.
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Which one is NOT related to the cerebellum? Group of answer choices resting tremor coordination of movement integration of sensory inputs pendular reflex Which one conducts AP the fastest? (Tips: fastest is NOT the best.) Group of answer choices unmyelinated soma/dendrites myelinated axon unmyelinated axon Which of these is NOT a characteristic of APs? Group of answer choices Na+ and K+ gates open at the same time. The membrane potential reverses polarity during depolarization. They are produced by voltage-regulated gates. They are conducted without decrement.
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