45. Nervous System
Neurons and Action Potentials
45. Nervous System
Neurons and Action Potentials
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- Multiple ChoiceNeurons communicate by __________.906views1rank
- Multiple ChoiceWhat are ganglia?653views
- Multiple ChoiceA neuron that transmits an impulse to the central nervous system after the neuron is stimulated by the environment is called a(n) __________.981views
- Multiple ChoiceWhich of the following is specifically a part or a function of the central nervous system?882views
- Textbook Question
What happens when a resting neuron's membrane depolarizes? a. There is a net diffusion of Na+ out of the cell. b. The equilibrium potential for K+(EK) becomes more positive. c. The neuron's membrane voltage becomes more positive. d. The cell's inside is more negative than the outside.
1664views - Textbook QuestionTest your understanding of the nervous system by matching the following labels with their corresponding letters: CNS, effector cells, interneuron, motor neuron, PNS, sensory neuron, sensory receptor, spinal cord, synapse.1344views
- Textbook Question
Which ion most readily leaks across a neuron's membrane, helping to establish the resting potential?
619views - Textbook Question
A common feature of action potentials is that they a. cause the membrane to hyperpolarize and then depolarize. b. can undergo temporal and spatial summation. c. are triggered by a depolarization that reaches threshold. d. move at the same speed along all axons.
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