Nervous system

What is the primary function of the nervous system?

• A. Control body movements
• B. Produce hormones
• C. Maintain body temperature
• D. Coordinate and regulate body functions

Which of the following is NOT a part of the central nervous system?

• A. Brain
• B. Spinal cord
• C. Peripheral nerves
• D. None of the above

Which type of neuron carries impulses from sensory receptors to the central nervous system?

• A. Sensory neurons
• B. Motor neurons
• C. Interneurons
• D. None of the above

What is the name of the fatty substance that surrounds and insulates nerve fibers?

• A. Axon
• B. Synapse
• C. Myelin
• D. Dendrite

Which part of the brain is responsible for regulating breathing and heart rate?

• A. Cerebellum
• B. Pons
• C. Medulla oblongata
• D. Thalamus

Which neurotransmitter is responsible for regulating mood and sleep?

• A. Serotonin
• B. Dopamine
• C. Acetylcholine
• D. GABA

Which of the following is a symptom of a damaged peripheral nervous system?

• A. Difficulty walking
• B. Loss of memory
• C. Blurred vision
• D. Inability to speak

What is the name of the part of the nervous system that controls voluntary movements?

• A. Autonomic nervous system
• B. Somatic nervous system
• C. Sympathetic nervous system
• D. Parasympathetic nervous system

What is the main function of the sympathetic nervous system?

• A. Promote relaxation and digestion
• B. Constrict blood vessels
• C. Increase heart rate and blood pressure
• D. None of the above

Which of the following is a type of glial cell that produces myelin in the central nervous system?

• A. Astrocytes
• B. Microglia
• C. Oligodendrocytes
• D. Schwann cells