This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 611 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 611 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Negative feedback is when changes occurring, A) Return the body to the original condition. B) Return the body to a different condition. C) Make the body feel bad. D) Make the body move. Show Answer Correct Answer: A) Return the body to the original condition. 2. Select the three main parts of the nervous system. A) Muscles, spinal cord and nerves. B) Spinal cord, brain and nerves. C) Muscles, senses and brain. D) None of above. Show Answer Correct Answer: B) Spinal cord, brain and nerves. 3. What is a chemical produced by the liver used by the body to break up fat? A) Saliva. B) Bile. C) Stomach Acid. D) Mucus. Show Answer Correct Answer: B) Bile. 4. Motor movements, coordination, balance A) Cerebrum. B) Brain stem. C) Cerebellum. D) None of above. Show Answer Correct Answer: C) Cerebellum. 5. What happens when a neuron reaches its threshold potential? A) The neuron returns to its resting state. B) The neuron undergoes hyperpolarization. C) Voltage-gated sodium channels open. D) Voltage-gated potassium channels open. Show Answer Correct Answer: C) Voltage-gated sodium channels open. 6. Which of the following is responsible or coordination and balance? A) Cerebrum. B) Brain stem. C) Cerebellum. D) Diencephalon. Show Answer Correct Answer: C) Cerebellum. 7. Gathers info that is happening in and around your body A) Motor neurons. B) Sensory neurons. Show Answer Correct Answer: B) Sensory neurons. 8. A disturbance in the memory marked by the inability to recall past experiences is known as? A) Apathy. B) Stupor. C) Aphasia. D) Amnesia. Show Answer Correct Answer: D) Amnesia. 9. Examples of involuntary movements: A) Walking, running. B) Chewing, , jumping. C) Heartbeats, digestion. D) Driving a car. Show Answer Correct Answer: C) Heartbeats, digestion. 10. Called Neruons-functional unit of the nervous system A) Axon. B) Dendrites. C) Nerve Cells. D) Frontal Lob. Show Answer Correct Answer: C) Nerve Cells. 11. Which sense is responsible for our sense of smell? A) Sight. B) Taste. C) Sound. D) Smell. Show Answer Correct Answer: D) Smell. 12. What is the earliest area appearing of the cerebellum? A) Paleocerebellum. B) Anterior lobe. C) Posterior lobe. D) Flocculonodular lobe. Show Answer Correct Answer: D) Flocculonodular lobe. 13. Directs impulses received by the brain. A) Brain Stem. B) Inner neurons. C) Cerebrum. D) Cerebrum. Show Answer Correct Answer: B) Inner neurons. 14. It is a neurological disorder marked by sudden recurrent episodes of sensory disturbance, loss of consciousness, or convulsions, associated with abnormal electrical activity in the brain. A) Meningitis. B) Migraine. C) Neuralgia. D) Epilepsy. Show Answer Correct Answer: D) Epilepsy. 15. A visceral reflex arc includes (1) receptors (nerve endings that detect stretch, tissue damage, blood chemicals, body temperature, and other internal stimuli), (2) afferent neurons leading to (3) an integrating center and interneurons in the CNS, (4) efferent neurons carrying motor signals away from the CNS, and finally (5) an effector that carries out the end response. A) This is true. B) This is false. Show Answer Correct Answer: A) This is true. 16. What is an example of the autonomic nervous system at work? A) Skipping. B) Jumping. C) Sitting. D) Organ functions. Show Answer Correct Answer: D) Organ functions. 17. Thick filaments are in a myofibril are A) ATPase. B) Sarcoplasmic reticulum. C) Actin. D) Myosin. Show Answer Correct Answer: D) Myosin. 18. What is the another name for nerves A) Nutorn. B) Neuron. C) Cell. D) Non of these. Show Answer Correct Answer: B) Neuron. 19. Something you detect using your body's receptors is called a A) Stimulus. B) Pain. C) Touch. D) Smell. Show Answer Correct Answer: A) Stimulus. 20. Stimulus may be in the form of ..... A) Sound. B) Sight. C) Touch. D) All of the above. Show Answer Correct Answer: D) All of the above. ← PreviousNext →Related QuizzesScience 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books