Nervous System

Which structure is responsible for receiving signals?

• A
• B
• C
• D

Which structure is found in the cell body and contains DNA?

• A
• B
• C
• D

Which structure insulates the neuron and allows for faster and uninterrupted transmission of signals?

• A
• B
• C
• D

Which structure carries signals to other neurons or structures in the body?

• A
• E
• C
• D

Which of the following structures allows for faster transmission of nerve signals?

• axon
• dendrite
• cell body
• myelin sheath

Which part of a neuron contains most of the organelles required for cellular functions?

• dendrites
• cell body
• axon
• myelin sheath

Which of the following structures are part of a reflex arc?

• 2 motor neurons
• a motor neuron, a sensory neuron and an interneuron
• only a motor neuron and sensory neuron
• only a sensory neuron and interneuron

Which types of neurons are also known as afferent neurons?

• motor
• sensory
• interneurons
• microglial neurons

Which neurons are also known as efferent neurons?

• sensory
• motor 
• interneurons
• microglial neurons

Which type of cells make up the myelin sheath in the PNS?

• astrocytes
• Schwann cells
• microglial cells
• oligodendrocytes