Central Nervous System Quiz

Which part of the nervous system is responsible for connecting the brain to the rest of the body?

• Peripheral Nervous System

• Central Nervous System

• Digestive System

• Respiratory System

What is the total number of synaptic connections in the human nervous system?

• 1 Million

• 1 Billion

• 1 Trillion

• 100 Billion

What is the term for the long cellular extension that carries impulses away from the neuron's cell body?

• Dendrite

• Soma

• Axon

• Synapse

What is the function of synaptic knobs?

• They contain mitochondria

• They release NT to communicate w/ post-synaptic neuron

• They are thorn-like projections

• They are branches of axons

Which way do EFFERENT signals go in the central nervous system?

• From sensory receptors to the brain

• From the brain to muscles

• From muscles to sensory receptors

• From glands to the brain

How can neurons be grouped based on structural differences?

• Bipolar, Unipolar, and Multipolar neurons

• Sensory, Interneurons, and Motor neurons

• Axonal, Dendritic, and Synaptic neurons

• Central, Peripheral, and Autonomic neurons

Which of the following is a way to group neurons based on functional differences?

• Bipolar, Unipolar, and Multipolar neurons

• Sensory, Interneurons, and Motor neurons

• Axonal, Dendritic, and Synaptic neurons

• Central, Peripheral, and Autonomic neurons

Where are bipolar neurons typically found in the human body?

• Brain and spinal cord

• Eyes, nose, and ears

• Ganglia outside the CNS

• Heart and lungs

What is a characteristic feature of unipolar neurons?

• Single axon and single dendrite

• Many nerve fibers

• Arising from a single short fiber

• Multiple axons

What type of neurons are sensory neurons usually classified as?

• Multipolar

• Unipolar

• Bipolar

• Tripolar