1. Which part of the nervous system is responsible for processing sensory information?
    a) Brain
    b) Spinal Cord
    c) Sensory receptors
    d) Motor neuronsAnswer: a) Brain
  2. What is the basic functional unit of the nervous system?
    a) Axon
    b) Neuron
    c) Synapse
    d) DendriteAnswer: b) Neuron
  3. The peripheral nervous system (PNS) includes all except:
    a) Spinal nerves
    b) Cranial nerves
    c) Brain
    d) Sensory receptorsAnswer: c) Brain
  4. Which part of the brain controls basic life functions like heartbeat and breathing?
    a) Cerebrum
    b) Medulla oblongata
    c) Cerebellum
    d) ThalamusAnswer: b) Medulla oblongata
  5. The myelin sheath around axons is produced by which type of cells?
    a) Schwann cells
    b) Ependymal cells
    c) Astrocytes
    d) MicrogliaAnswer: a) Schwann cells
  6. Which part of the brain is responsible for voluntary movements and decision making?
    a) Cerebellum
    b) Cerebrum
    c) Medulla
    d) PonsAnswer: b) Cerebrum
  7. Which of the following structures connects the brain to the spinal cord?
    a) Medulla
    b) Pons
    c) Spinal nerves
    d) BrainstemAnswer: d) Brainstem
  8. The autonomic nervous system regulates which of the following?
    a) Voluntary movements
    b) Reflex actions
    c) Involuntary actions like heart rate
    d) Muscle contractionsAnswer: c) Involuntary actions like heart rate
  9. Which of the following neurotransmitters is associated with the sympathetic nervous system?
    a) Acetylcholine
    b) Norepinephrine
    c) Serotonin
    d) DopamineAnswer: b) Norepinephrine
  10. What is the primary function of the dendrites in a neuron?
    a) Carry electrical impulses away from the cell body
    b) Transmit signals to other neurons
    c) Receive electrical signals from other neurons
    d) Insulate the axonAnswer: c) Receive electrical signals from other neurons
  11. Which of the following is the main function of the spinal cord?
    a) Control balance
    b) Process thoughts
    c) Relay signals between the brain and the body
    d) Control emotionsAnswer: c) Relay signals between the brain and the body
  12. Which of the following is NOT a function of the cerebellum?
    a) Coordination of movement
    b) Balance maintenance
    c) Sensory perception
    d) Motor controlAnswer: c) Sensory perception
  13. The sympathetic division of the autonomic nervous system is responsible for:
    a) Rest and digestion
    b) Fight or flight response
    c) Memory formation
    d) Reflex actionsAnswer: b) Fight or flight response
  14. What is the role of the hypothalamus in the brain?
    a) Coordination of voluntary movements
    b) Regulation of homeostasis, such as temperature and hunger
    c) Sensory processing
    d) Language comprehensionAnswer: b) Regulation of homeostasis, such as temperature and hunger
  15. Which part of the nervous system is involved in the “rest and digest” response?
    a) Sympathetic nervous system
    b) Parasympathetic nervous system
    c) Somatic nervous system
    d) Central nervous systemAnswer: b) Parasympathetic nervous system
  16. Which type of neuron carries information away from the central nervous system?
    a) Afferent neurons
    b) Efferent neurons
    c) Interneurons
    d) Sensory neuronsAnswer: b) Efferent neurons
  17. The space between two neurons where a neurotransmitter is released is called the:
    a) Synapse
    b) Dendrite
    c) Axon terminal
    d) SomaAnswer: a) Synapse
  18. Which brain structure plays a key role in memory formation?
    a) Hippocampus
    b) Medulla oblongata
    c) Cerebellum
    d) PonsAnswer: a) Hippocampus
  19. The blood-brain barrier helps protect the brain by:
    a) Allowing all substances to pass freely
    b) Restricting harmful substances from entering the brain
    c) Enhancing neurotransmitter release
    d) Increasing blood flow to the brainAnswer: b) Restricting harmful substances from entering the brain
  20. Which of the following is a characteristic of the parasympathetic nervous system?
    a) Increases heart rate
    b) Stimulates digestive processes
    c) Increases blood pressure
    d) Prepares the body for actionAnswer: b) Stimulates digestive processes
  21. Which part of the nervous system is responsible for reflex actions?
    a) Spinal cord
    b) Medulla oblongata
    c) Cerebrum
    d) CerebellumAnswer: a) Spinal cord
  22. Which of the following is true about the autonomic nervous system?
    a) It controls voluntary movements
    b) It is divided into sympathetic and parasympathetic divisions
    c) It only controls skeletal muscles
    d) It is under conscious controlAnswer: b) It is divided into sympathetic and parasympathetic divisions
  23. Which of these structures is part of the central nervous system?
    a) Spinal cord
    b) Nerves
    c) Sensory receptors
    d) GangliaAnswer: a) Spinal cord
  24. Which of the following is the primary role of the motor cortex?
    a) Processing sensory information
    b) Controlling voluntary muscle movements
    c) Regulating heart rate
    d) Interpreting visual stimuliAnswer: b) Controlling voluntary muscle movements
  25. The forebrain consists of all of the following except:
    a) Thalamus
    b) Hypothalamus
    c) Cerebellum
    d) CerebrumAnswer: c) Cerebellum
  26. Which of the following is the function of the corpus callosum?
    a) Controls heartbeat
    b) Relays information between the two hemispheres of the brain
    c) Regulates emotions
    d) Coordinates voluntary movementsAnswer: b) Relays information between the two hemispheres of the brain
  27. Which type of neuron is responsible for transmitting information from sensory receptors to the central nervous system?
    a) Motor neurons
    b) Sensory neurons
    c) Interneurons
    d) Efferent neuronsAnswer: b) Sensory neurons
  28. The reflex arc involves all of the following except:
    a) Sensory receptor
    b) Effector
    c) Brain processing
    d) Spinal cordAnswer: c) Brain processing
  29. Which structure is responsible for the transmission of signals between neurons?
    a) Axon
    b) Soma
    c) Dendrite
    d) SynapseAnswer: d) Synapse
  30. Which of the following is a function of the frontal lobe of the brain?
    a) Processing sensory information
    b) Memory formation
    c) Motor control and decision-making
    d) Balance and coordinationAnswer: c) Motor control and decision-making

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