PNS
Neuron Anatomy
Neural Communication
Autonomic Nervous System
Brain Lobes & Special Functions
100

What is the primary role of the PNS?

Linking the body and CNS

100

What is the central part of the neuron called?

Cell Body (Soma)

100

The process of a signal "jumping" from node to node is called:

Saltatory conduction

100

What does the autonomic nervous system control?

Involuntary functions

100

The parietal lobe is primarily responsible for:

Sensory processing

200

How many pairs of spinal nerves are there?

31

200

Where is the neuron's DNA stored?

Nucleus


200

What is the term for the point where neurons communicate?

Synapse

200

The somatic body region includes:

Skin, bones, skeletal muscles

200

Which lobe is most involved in phonological processing and decoding written language?

Parietal lobe

300

Which nerves carry signals to the CNS?

Sensory (Afferent)

300

What is the fatty layer that wraps around the axon?

Myelin Sheath

300

How many other neurons can one neuron connect to?

2,000

300

The visceral body region includes:

Internal organs

300

What is the primary function of Heschl’s gyrus?

Receive auditory input from both ears

400

Which nerves carry signals away from the CNS?

Efferent (Motor)

400

What forms the myelin sheath?

Glial cells

400

What initiates motor output?

The nervous system sending instructions to muscles or glands

400

Which system is in charge of digesting food?

Autonomic

400

Which part of the brainstem is involved in alertness and hearing?

Midbrain

500

What does the somatic nervous system control?

Voluntary movements

500

What are the gaps in the myelin sheath called?

Nodes of Ranvier

500

Which neurons carry information about cold weather from your skin to the brain?

Sensory Neurons


500

Pain from an external injury is detected by which receptors?

Nociceptors

500

The corpus callosum is responsible for what?

Connecting the two cerebral hemispheres