Neuron & Synapse Quiz

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 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.

of a

 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 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.

of

 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