Nervous System Quiz

What are the two main divisions of the nervous system?

• Brain and nerves

• Spinal cord and brain stem

• Central and Peripheral nervous systems

• Autonomic and Somatic systems

Which part of the nervous system is the ‘key decision maker’?

• PNS

• Brainstem

• Spinal cord

• CNS

The PNS is mainly responsible for:

• Generating reflexes

• Thinking and decision making

• Carrying messages to and from the CNS

• Processing stimuli in the brain

The nervous system helps maintain:

• Growth

• Digestion

• Homeostasis

• Hormonal balance

Which is NOT a function of the nervous system?

• Coordination

• Memory

• DNA replication

• Communication

What does the PNS include?

• Brain and spinal cord

• Spinal nerves only

• Cranial nerves and spinal nerves

• Sensory cortex

Collections of neuron cell bodies outside the CNS are called:

• Nuclei

• Cortex

• Ganglia

• Tracts

Which of the following detects changes in the internal and external environment?

• Motor neurons

• Sensory receptors

• Synapses

• Cerebellum

How many spinal nerves are there?

• 30

• 31

• 32

• 33

How many pairs of cranial nerves exist?

• 10

• 11

• 12

• 13