Nervous about the nervous system

What is the primary function of parietal cells in the stomach?

• To make stomach acid

• To release histamine

• To contract muscles

• To transmit nerve signals

Which part of the brain is involved in regulating breathing, blood pressure, and heart rate?

• Cerebellum

• Thalamus

• Midbrain

• Medulla

What does the sympathetic nervous system primarily control?

• Rest and digest

• Fight or flight response

• Voluntary muscle movements

• Sensory information processing

What is the main role of glial cells in the nervous system?

• To regulate heart rate

• To produce neurotransmitters

• To support and protect neurons

• To transmit nerve signals

What happens during depolarization in an action potential?

• Na+ floods out of the axon

• Na+ floods into the axon

• K+ floods into the axon

• K+ floods out of the axon