Peripheral Nervous System Quiz

What is the primary function of the peripheral nervous system?

• To protect the brain and spinal cord

• To relay sensory and motor impulses

• To produce hormones

• To store memories

Which type of neuron carries information from the body to the central nervous system?

• Sensory neurons

• Glial cells

• Motor neurons

• Interneurons

How many pairs of cranial nerves are there in the human body?

• 10 pairs

• 16 pairs

• 12 pairs

• 14 pairs

What is the main characteristic of mixed nerves?

• They are found only in the brain

• They contain both sensory and motor fibers

• They contain only motor fibers

• They contain only sensory fibers

Which system is responsible for voluntary control of skeletal muscles?

• Endocrine system

• Autonomic nervous system

• Central nervous system

• Somatic nervous system

What does the autonomic nervous system primarily regulate?

• Sensory perception

• Memory and learning

• Involuntary body functions

• Voluntary muscle movements

Which system is activated during the 'fight or flight' response?

• Central nervous system

• Parasympathetic system

• Sympathetic system

• Somatic system

What is the role of the parasympathetic system after a 'fight or flight' response?

• To stimulate digestion

• To prepare the body for action

• To return the body to a state of rest

• To increase heart rate

Why is the peripheral nervous system more vulnerable to injuries?

• It is not protected by bones or the blood-brain barrier

• It is constantly exposed to sunlight

• It is made of fragile tissues

• It is located inside the brain

Which of the following is a disorder that can affect the peripheral nervous system?

• Guillain-Barré syndrome

• Parkinson's disease

• Alzheimer's disease

• Multiple sclerosis