BL_Nervous System

Identify components that made up the nervous system.

• heart, brain, kidneys

• lungs, liver, stomach

• brain, spinal cord, nerves

• eyes, pancreas, veins

Identify the correct statement that best describes the relationship between sensory neurons and motor neurons.

• Motor neurons bring a stimulus input to the brain and sensory neurons carry a movement output.

• Sensory neurons tell motor neurons what to do.

• Sensory neurons bring a stimulius input to the spinal cord or brain and the brain or spinal cord sends a motor neuron response.

• Sensory neurons do more than motor neurons

Select the part of the neuron that conducts action potentials.

• Axon

• Dendrite

• Axon Terminal

• Cell Body

Identify the reason that triggers the movement of vesicles towards the post-synaptic membrane.

• Influx of Ca++

• Influx of Na++

• Movement of K+ out of the cell

• Movement of Ca++ out of the cell

Select the cause of depolarization phase of an action potential.

• Na+ rushing into the axon

• K+ rushing out of the axon

• Ca++ rushing into the axon

• Activation of Na/K pumps

Choose the phase of generation of action potential where Na/K Pumps are the most active.

• Hyperpolarization

• Depolarization

• Repolarization

• Resting Membrane Potential

Select the part of the neuron that insulates the axon and increases the speed of the neural message within the neuron.

• Synapse

• Dendrite

• Myelin Sheath

• Axon Terminal Button

Identify the part of neuron that stores and releases neurotransmitters into the synapse.

• Axon

• Dendrite

• Myelin Sheath

• Axon Terminal

Name the gap between two neurons.

• Impulse

• Synapse

• CNS

• Inter neuron

Name the chemicals produced by neurons that function to carry messages to other neurons

• myelin sheath

• neurotransmitter

• axon

• axon terminal