Neuron & Synapse Quiz SBI 4UI Mrs. Tuma. 1. What part of the neuron receives messages from other neurons? (a) axon (b) myelin (c) dendrite (d) Schwann.

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Neuron & Synapse Quiz SBI 4UI Mrs. Tuma

1. What part of the neuron receives messages from other neurons? (a) axon (b) myelin (c) dendrite (d) Schwann cell

2. What structure is responsible for making myelin? (a) axon (b) Schwann cells (c) dendrites (d) synaptic knobs

3. At a chemical synapse, ______________ are found only on the plasma membrane of the _____________ cell. (a) neurotransmitters, post-synaptic (b) receptor proteins, post-synaptic (c) neurotransmitters, pre-synaptic (d) receptor proteins, pre-synaptic

4. In order for a neuron to maintain its resting potential, which of the following must occur? The neuron must… (a) allow 3 Na + in for every 2 K + out (b) allow 3 Na + out for every 2 K + in (c) allow 2 Na + out for every 3 K + in (d) allow Na to flood into the cell

5. Which of the following best describes the state of a neuron at rest? (a) The inside of a neuron is more negatively charged than the outside. (b) The outside of a neuron is more negatively charged than the inside. (c) The inside and outside of a neuron have the same electrical charge. (d) K + leak into the cell at rest.

6. What is the term for the minimum level of stimulus required for a neuron to depolarize (fire)? (a) all-or-none principle (b) refractory period (c) action potential (d) threshold potential

7. Myelinated neurons are able to transmit information along the axon more quickly because depolarization occurs only at the Nodes of Ranvier. (a) True (b) False

8. Which part of the neuron is responsible for sending information along to other neurons? (a) dendrites (b) axon (c) Schwann cells (d) myelin sheath

9. Which neurotransmitter is responsible for skeletal muscle contraction? (a) serotonin (b) GABA (c) acetylcholine (d) dopamine

10. Which neurotransmitter is responsible for regulating mood? (a) serotonin (b) GABA (c) acetylcholine (d) norepinephrine

1. What part of the neuron receives messages from other neurons? (a) axon (b) myelin (c) dendrite (d) Schwann cell

2. What structure is responsible for making myelin? (a) axon (b) Schwann cells (c) dendrites (d) synaptic knobs

3. At a chemical synapse, ______________ are found only on the plasma membrane of the _____________ cell. (a) neurotransmitters, post-synaptic (b) receptor proteins, post-synaptic (c) neurotransmitters, pre-synaptic (d) receptor proteins, pre-synaptic

4. In order for a neuron to maintain its resting potential, which of the following must occur? The neuron must… (a) allow 3 Na + in for every 2 K + out (b) allow 3 Na + out for every 2 K + in (c) allow 2 Na + out for every 3 K + in (d) allow Na to flood into the cell

5. Which of the following best describes the state of a neuron at rest? (a) The inside of a neuron is more negatively charged than the outside. (b) The outside of a neuron is more negatively charged than the inside. (c) The inside and outside of a neuron have the same electrical charge. (d) K + leak into the cell at rest.

6. What is the term for the minimum level of stimulus required for a neuron to depolarize (fire)? (a) all-or-none principle (b) refractory period (c) action potential (d) threshold potential

7. Myelinated neurons are able to transmit information along the axon more quickly because depolarization occurs only at the Nodes of Ranvier. (a) True (b) False

8. Which part of the neuron is responsible for sending information along to other neurons? (a) dendrite (b) axon (c) Schwann cells (d) myelin sheath

9. Which neurotransmitter is responsible for skeletal muscle contraction? (a) serotonin (b) GABA (c) acetylcholine (d) dopamine

10. Which neurotransmitter is responsible for regulating mood? (a) serotonin (b) GABA (c) acetylcholine (d) norepinephrine