Neurons, Synapses, and Neurotransmission Quiz

What are the two types of specialized cells in the central nervous system?

• Synapses and neurotransmitters

• Axons and dendrites

• Motor neurons and sensory neurons

• Neurons and glia

What is the function of a neuron?

• To remove debris after neuronal death

• To generate electrical signals

• To provide support to other neurons

• To receive input from other neurons

How many types of neurons are there?

• 200 billion

• 10,000

• More than the number of stars in the universe

• 50 times more than glia

What is the function of glia?

• To provide support to neurons

• To transmit neurotransmitters

• To process sensory information

• To generate action potentials

What is the structure of a typical neuron?

• Cell body, dendrites, axon, axon terminals

• Thalamic nucleus, pyramidal cell, gelatinosa cell, reticular formation

• Motor neurons, sensory neurons, interneurons

• Axon, dendrite, synapse, nucleus

What is the function of dendrites?

• To contain neurotransmitters

• To generate action potentials

• To send outgoing signals to other neurons

• To receive incoming signals from other neurons

What is the function of axon terminals?

• To contain neurotransmitters

• To send outgoing signals to other neurons

• To receive incoming signals from other neurons

• To provide support to neurons

What is an action potential?

• A group of neurons through which information flows from one neuron to another

• An electrical signal generated by ions moving across the neuronal membrane

• A physical barrier for the electrical signal carried by one neuron to be transferred to another neuron

• A chemical messenger that links the action potential of one neuron with a synaptic potential in another

How does conduction occur in a neuron?

• Neurons are physically connected to one another through gap junctions

• Ions move across the neuronal membrane through ion channels

• An action potential is generated near the cell body and travels along the axon

• Neurotransmitters flow from one neuron to another at chemical synapses

What is the function of neurotransmission?

• To communicate between neurons through the movement of chemicals or electrical signals

• To receive input from other neurons

• To provide support to neurons

• To generate action potentials