This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 725 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 725 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which is self regenerating? A) Action potential. B) Graded potential. Show Answer Correct Answer: A) Action potential. 2. The ..... is the efferent subdivision that transmits impulses from the CNS to skeletal muscles. A) Central nervous system. B) Somatic nervous system. C) Sympathetic division of the autonomic nervous system. D) Parasympathetic division of the autonomic nervous system. E) Afferent division of the peripheral nervous system. Show Answer Correct Answer: B) Somatic nervous system. 3. Which division of the motor division is involuntary A) Somatic. B) Autonomic. Show Answer Correct Answer: B) Autonomic. 4. Motor neurons and interneurons are..... neurons. A) Pseudo-unipolar. B) Bipolar. C) Multipolar. D) Afferent. Show Answer Correct Answer: C) Multipolar. 5. This nerve maintains hearing and balance: A) Vestibulocochlear. B) Vagus. C) Facial. D) Trochlear. Show Answer Correct Answer: A) Vestibulocochlear. 6. Controls and coordinates movement of muscles and regulates equilibrium. A) Cerebellum. B) Brain. C) Brain stem. D) None of above. Show Answer Correct Answer: A) Cerebellum. 7. The opening of voltage-gated potassium channels is responsible for which part of the action potential? A) Depolarization of the membrane. B) Repolarization of the membrane. C) Contraction of the post synaptic muscle fibre. D) Signalling vesicular release of neurotransmitters. Show Answer Correct Answer: B) Repolarization of the membrane. 8. This is the fatty tissue that covers the axon. A) Myelin Sheath. B) Dendrite. C) Cell Body. D) Neurotransmitter. Show Answer Correct Answer: A) Myelin Sheath. 9. The part of the brain which controls the involuntary actions. A) Medulla oblongata. B) Cerebrum. C) Heart. D) Cerebellum. Show Answer Correct Answer: A) Medulla oblongata. 10. The system does the Parasympathetic and Sympathetic divisions are part of in the Nervous System is ..... A) Central Nervous System. B) Peripheral Nervous System. C) Nervous System. D) Somatic Nervous System. E) Autonomic Nervous System. Show Answer Correct Answer: B) Peripheral Nervous System. 11. What is the primary purpose of the spinal cord? A) To produce hormones and neurotransmitters. B) To transmit electrical signals between the brain and the rest of the body. C) To facilitate communication between the two hemispheres. D) To transmit electrical signals around the brain. Show Answer Correct Answer: B) To transmit electrical signals between the brain and the rest of the body. 12. Neuron term: A) Nerve plexus. B) Nerve/Neuron. C) Dendrite. D) Process information. Show Answer Correct Answer: B) Nerve/Neuron. 13. Which is a description of the central nervous system? A) Integration and command center-interprets info, make decisions. B) Consists of all of the peripheral nerves. C) Detects changes from inside and outside the body. D) Is the fight or flight response. Show Answer Correct Answer: A) Integration and command center-interprets info, make decisions. 14. Our nervous systems controls A) Our thoughts. B) Our emotions. C) Our actions. D) All three. Show Answer Correct Answer: D) All three. 15. Process by which an organism maintains a balanced internal environment A) Homeostasis. B) Cerebellum. C) Stimulus. D) Neuron. E) Dendrite. Show Answer Correct Answer: A) Homeostasis. 16. A tough, clear covering over the iris and the pupil that helps protect the eye. Light bends as it passes through the ..... before making its way to the lens. A) Aqueous humor. B) Blind spot. C) Cones. D) Cornea. Show Answer Correct Answer: D) Cornea. 17. Which part of the neuron is responsible for cell metabolism? A) Body. B) Axon. C) Dendrite. D) Conclusion. Show Answer Correct Answer: A) Body. 18. Breathing, blood pressure, heart rate, and other involuntary vital functions A) Brain stem. B) Spinal Cord. C) Cerebellum. D) Frontal cortex. Show Answer Correct Answer: A) Brain stem. 19. Brain cells are called ..... A) Dendrites. B) Axons. C) Synapses. D) Neurons. Show Answer Correct Answer: D) Neurons. 20. A quick, involuntary response by the body to a potentially damaging stimulus is a called A) Reflex. B) Action potential. C) Twitch. D) Spinal cord. Show Answer Correct Answer: A) Reflex. ← PreviousNext →Related QuizzesNervous System Quiz 1Nervous System Quiz 2Nervous System Quiz 3Nervous System Quiz 4Nervous System Quiz 5Nervous System Quiz 6Nervous System Quiz 7Nervous System Quiz 8Nervous System Quiz 9Nervous System Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books