Nervous System Test

Front

What type of neuron resides exclusively in the CNS?

Back

Interneuron

Front

How many synapses occur in a reflex arc?

Back

Two

Front

What is the function of the blood-brain barrier?

Back

Protects the brain from harmful substances and pathogens.

Front

Which type of neuron carries the Efferent Signal?

Back

Motor Neuron

Front

What is the stimulus in a reflex arc?

Back

A nail.

Front

Define a reflex arc.

Back

A neural pathway that controls a reflex action.

Front

What role do sensory neurons play in the nervous system?

Back

They transmit sensory information to the CNS.

Front

What is the primary function of motor neurons?

Back

To carry signals from the CNS to muscles or glands.

Front

Explain the term 'synapse'.

Back

A synapse is the junction between two neurons where communication occurs.

Front

What is the role of interneurons in the reflex arc?

Back

They connect sensory and motor neurons within the CNS.