Nervous Tissue

Nervous tissue is primarily responsible for:

• Contracting muscles

• Transmitting electrical signals

• Providing support and structure

• Regulating body temperature

The basic functional unit of the nervous system is the:

• Neuron

• Muscle fiber

• Red blood cell

• Adipocyte

The fatty substance that insulates and speeds up the conduction of nerve impulses along an axon is called:

• Neurotransmitter

• Dendrite

• Myelin sheath

• Synapse

Which type of neuron transmits signals from sensory receptors to the central nervous system?

• Motor neuron

• Sensory neuron

• Interneuron

• Autonomic neuron

Nerve tissue sends a signal using ____.

• mitosis

• electrochemical impulses

• condensation

• evaporation

Which is not a function of neuroglia?

• insulation

• absorption

• support

• protect