This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 743 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 743 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is NOT true of the human brain? A) The cerebellum plays a key role in making movement smooth and efficient, and lies at the back of the brain. B) The motor and sensory systems do not interact. C) The spinal cord, made up of both axons and ganglia, provides us with essential reflexes. D) The brain comprises two halves-or hemispheres. Show Answer Correct Answer: B) The motor and sensory systems do not interact. 2. Cerebr/o means A) Cerebellum. B) Cerebrum. C) Brain. D) Nerve. Show Answer Correct Answer: B) Cerebrum. 3. Osmosis is when ..... A) Water passively moves across the cell membrane. B) Ions are pumped across the cell membrane. C) Some substances leave the cell and others can not. D) All of the above. Show Answer Correct Answer: A) Water passively moves across the cell membrane. 4. ..... also known as the accessory nerve, is a motor nerve that controls the motion of the neck and shoulder muscles. A) Eleventh cranial nerve. B) Ulnar nerve. C) Median nerve. D) Radial nerve. Show Answer Correct Answer: A) Eleventh cranial nerve. 5. Which structure is composed of these 3 parts:pons, midbrain, and medulla oblongata? A) CNS. B) Brain Stem. C) PNS. D) Cerebellum. Show Answer Correct Answer: B) Brain Stem. 6. Myelitis A) Pertaining to the largest part of the brain. B) Pertaining to the lower part of the brain closest to the spinal cord. C) Inflammation of the spinal cord. D) None of above. Show Answer Correct Answer: C) Inflammation of the spinal cord. 7. A change in the environment that causes the body to respond is called: A) Effector. B) Receptor. C) Coordination centre/coordinator. D) Stimulus. Show Answer Correct Answer: D) Stimulus. 8. The CNS is made up of which 2 structures A) Brain and nerves. B) Brain and spinal cord. C) Spinal cord and nerves. D) None of above. Show Answer Correct Answer: B) Brain and spinal cord. 9. EASY LEVEL A) YES. B) NO. Show Answer Correct Answer: A) YES. 10. What type of supporting cell in nervous tissue is star-shaped and responsible for connecting neurons together and to their blood supply? A) Astrocytes. B) Ependymal cells. C) Microglial cells. D) Oligodendrrocytes. Show Answer Correct Answer: A) Astrocytes. 11. What is the function of the MOTOR neurons? A) Carry the nerve impulses inside the spinal cord or brain to another interneuron or motor neuron. B) Nothing. There is no such thing as a sensory neuron. C) Detect stimuli and convert them into nerve impulses which travel to the spinal cord and/or brain. D) Receive nerve impulses from interneurons and send them to muscles and glands, which enables the muscles and glands to respond. Show Answer Correct Answer: D) Receive nerve impulses from interneurons and send them to muscles and glands, which enables the muscles and glands to respond. 12. Cranial nerve VII is ..... A) Abducting. B) Optic. C) Hypoglossal. D) Facial. Show Answer Correct Answer: D) Facial. 13. The spinal cord is protected inside the A) Vertebral column. B) Ribcage. C) Skull. D) Skin. Show Answer Correct Answer: A) Vertebral column. 14. The reflex arc is a response by the body involving only the body segment being affected and spinal cord-the brain does not have to be involved A) True. B) False. Show Answer Correct Answer: A) True. 15. The ..... system is responsible for the processes that go on automatically in your body. A) Autonomic. B) Somatic. C) Peripheral. D) Central. Show Answer Correct Answer: A) Autonomic. 16. At the neuromuscular junction, calcium ions act to ..... A) 1.increase the conduction speed of action potentials transmitted along the sarcolemma. B) 1.release the inhibition on Z discs. C) 1.remove the blocking action of tropomyosin. D) 1.cause ATP binding to actin. E) 1.release synaptic vesicles from the synaptic knob. Show Answer Correct Answer: E) 1.release synaptic vesicles from the synaptic knob. 17. The lowest part of the brain; it's at the top of the spinal cord A) Medulla. B) Plexus. C) Ganglia. D) None of above. Show Answer Correct Answer: A) Medulla. 18. Which type of neurons carry information from the sense organs to the CNS for processing? A) Motor Neurons. B) Sensory Neurons. C) Interneurons. D) Spinal Neurons. Show Answer Correct Answer: B) Sensory Neurons. 19. A nerve impulse is also called ..... A) Action potential. B) Threshold. C) Na-K pump. D) All of the above. Show Answer Correct Answer: A) Action potential. 20. Each neuron consists of A) Dendrites, Axon, Cell Body. B) Dendrites and Cell Body only. C) Axons and Dendrites only. D) None of above. Show Answer Correct Answer: A) Dendrites, Axon, Cell Body. ← 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