This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 541 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 541 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Air that is inhaled through the nose passes through the trachea before reaching the lungs. Then, the oxygen from air is dissolved into the blood and transported to all the parts of the body.Which two systems of the body are included in this process? A) Nervous system and skeletal system. B) Digestive system and nervous system. C) Muscular system and digestive system. D) Respiratory system and circulatory system. Show Answer Correct Answer: D) Respiratory system and circulatory system. 2. Motor neurons send information ..... A) To the brain for processing. B) Away from the brain to muscles. Show Answer Correct Answer: B) Away from the brain to muscles. 3. The gaps in the myelin sheath along the length of an axon are called: A) Synapses. B) Nodes of Ranvier. C) Neurotransmitters. D) Dendrites. Show Answer Correct Answer: B) Nodes of Ranvier. 4. Define stimulus. A) Change in an organism's environment that causes it to react. B) How the organism reacts to the stimulus. Show Answer Correct Answer: A) Change in an organism's environment that causes it to react. 5. What is epilepsy? A) Progressive destruction of myelin sheaths. B) Short, recurrent, periodic, attacks of motor, sensory, or psychological malfunction. C) Group of motor disorders due to loss of muscle control. D) Infection of meninges by bacteria. Show Answer Correct Answer: B) Short, recurrent, periodic, attacks of motor, sensory, or psychological malfunction. 6. What is threshold? A) Stimulus needed to cause an impulse. B) The inhibitory process. C) The refractory period. D) Build up of axons. Show Answer Correct Answer: A) Stimulus needed to cause an impulse. 7. The term quadriplegia means paralysis of ..... A) Both legs. B) All 4 extremities. C) One whole side of the body. D) Both arms. Show Answer Correct Answer: B) All 4 extremities. 8. Composed of primarily of the thalamus and hypothalamus, regulates vitals A) Diencephalon. B) Brain stem. C) Mid-brain. D) Cerebellum. Show Answer Correct Answer: A) Diencephalon. 9. If the liver is not functioning properly, what would most likely be the result? A) Food would not be able to move into the small intestsine. B) Fats would not be digested. C) Water would not be absored. D) It would not affect digestion. Show Answer Correct Answer: B) Fats would not be digested. 10. The brainstem is the portion of the brain that connects the brain with your spinal cord. It controls your ..... A) Balance and coordination. B) Breathing, hart rate, blood pressure. C) Voluntary movement, speech, hearing, vision, memory, reasoning. D) None of above. Show Answer Correct Answer: B) Breathing, hart rate, blood pressure. 11. The ..... is in charge of involuntary muscles movement such as breathing, your heart beat and your reflexes. A) Cerebrum. B) Cerebellum. C) Medulla. D) None of above. Show Answer Correct Answer: C) Medulla. 12. A bundles of neurons A) Sensory neurons. B) Motor neurons. C) Axon. D) Nerves. Show Answer Correct Answer: D) Nerves. 13. What is 1 main function of the CNS. A) Eye. B) Sensory. C) Run. D) Jump. Show Answer Correct Answer: B) Sensory. 14. Farsightedness A) Myopia. B) Hyperopia. C) Both. D) None of above. Show Answer Correct Answer: B) Hyperopia. 15. What is the white outer layer of the eye called? A) Pupil. B) Sclera. C) Dyslexia. D) Retina. Show Answer Correct Answer: B) Sclera. 16. The cerebrum deals with planning, recalling information, and decision making. A) True. B) False. Show Answer Correct Answer: A) True. 17. Branch-like processes that pick up messages from other cells A) Dendrites. B) Axon. C) Soma. D) Myelin. Show Answer Correct Answer: A) Dendrites. 18. Which part of the brain controls involuntary actions like breathing and heartbeat? A) Cerebellum. B) Brainstem. C) Cerebrum. D) Medulla. Show Answer Correct Answer: B) Brainstem. 19. Which abbreviation refers to the fluid found in the ventricles and within the meninges of the brain and spinal cord? A) CP. B) CSF. C) TIA. D) LOC. Show Answer Correct Answer: B) CSF. 20. Ears can be best described as A) Receptors for hearing. B) Hearing attachment. C) Mechanoreceptors. D) Cochlear limbs. Show Answer Correct Answer: A) Receptors for hearing. ← 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