Transcript 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