Neuron Quiz 2 Review

a signal molecule that transmits nerve impulses across synapses

• neuron
• neurotransmitter
• nerve
• action potential

Which ions are involved in the electrical nerve impulse (action potential)?

• Iodine and Sodium
• Potassium and Sodium
• Iron and Sodium
• Calcium and Iodine

Tags

NGSS.HS-PS1-5

When a neuron is depolarized, what are the first channels to open that allows depolarization?

• Sodium
• Potassium
• Calcium
• ACTH

Neurotransmitters are released from the

• Dendrites
• Post-synaptic neuron
• Presynaptic neuron
• Axon

Z

• Dendrite
• Axon Terminal
• Neurotransmitters
• Synapse

W

• Axon Terminal Button
• Neurotransmitters
• Dendrite
• Synapse

X

• Axon Terminal Button
• Neurotransmitters
• Dendrite
• Synapse

calcium is responsible for

• signaling the release of the neurotransmitter

• signaling Na to be released into the membrane

• signaling the release of K out of the membrane

• serving as the neurotransmitter

What number(s) on the graph represents the Resting Potential?

• 1 and 2
• 1 and 5
• 2 and 3
• 3 and 4

Tags

NGSS.HS-PS3-5

afferent neurons are to sensory neurons as efferent neurons are to _____ neurons.

• motor
• sensory
• integration
• association