This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 676 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 676 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. It is the organ that acts like the CPU of a computer A) Brain. B) Spinal cord. C) Muscles. D) Bones. Show Answer Correct Answer: A) Brain. 2. The Sensory division of the peripheral nervous system is responsible for A) Regulating involuntary activities. B) Transporting impulses from the sense receptors to the central nervous system. C) Transmitting impulses from the central nervous system to the muscles and glands. D) None of above. Show Answer Correct Answer: B) Transporting impulses from the sense receptors to the central nervous system. 3. Sneezing, pupil dilation and heart rate are controlled by the ..... A) Sympathetic nervous system. B) Parasympathetic nervous system. C) Somatic nervous system. D) Autonomic nervous system. Show Answer Correct Answer: D) Autonomic nervous system. 4. Which function is responsible for deciding if/what action is needed in response to stimuli? A) Sensory input. B) Integration. C) Motor output. D) None of above. Show Answer Correct Answer: B) Integration. 5. Which Cranial Nerve is called the Glossopharyngeal Nerve? A) VII. B) VIII. C) IX. D) X. Show Answer Correct Answer: C) IX. 6. Identify the neuroglia described:Myelinate and provide structural support. A) Astrocytes. B) Ependymal. C) Schwann Cells. D) Oligodendrocytes. E) Microglia. Show Answer Correct Answer: D) Oligodendrocytes. 7. What is the organ where water is absorbed from the digested food and returned to the bloodstream? A) Mouth. B) Small intestine. C) Esophagus. D) Large intestine. Show Answer Correct Answer: D) Large intestine. 8. Somatic actions, such as heart rate, have to be controlled through voluntary action. A) True. B) False. Show Answer Correct Answer: B) False. 9. The nerves that coordinate messages from the brain and spine to all other parts of the body. A) Central Nervous System. B) Peripheral Nervous System. Show Answer Correct Answer: B) Peripheral Nervous System. 10. Which of the following statements about the somatic nervous system is correct? A) It connects the central nervous system with the senses and skeletal muscles. B) It is involved in unconscious involuntary behaviours. C) It is further divided into the sympathetic and parasympathetic nervous systems. D) It comprises the brain and spinal cord. Show Answer Correct Answer: A) It connects the central nervous system with the senses and skeletal muscles. 11. A mass of white matter in the brain composed of nerve fibers connecting the right and left cerebral hemispheres A) Callous body. B) Basal nucleus. C) Medulla oblongata. D) Optic chiasma. Show Answer Correct Answer: A) Callous body. 12. What happens when the nervous system gets damaged? A) It affects the body's ability to process and respond to information. B) It can regenerate completely. C) It increases the efficiency of the nervous system. D) It has no significant effect. Show Answer Correct Answer: A) It affects the body's ability to process and respond to information. 13. The seat of intelligence is. A) Brain. B) Stomach. C) Liver. D) Pancreas. Show Answer Correct Answer: A) Brain. 14. Which part of the nervous system is composed of the brain and spinal cord? A) Autonomic nervous system. B) Somatic nervous system. C) Peripheral nervous system. D) Central nervous system. Show Answer Correct Answer: D) Central nervous system. 15. What are neurotransmitters? A) The gates that let ions in and out of the axon. B) The molecules that carry an action potential across a synaptic cleft. C) Interneurons that communicate between sensory and motor neurons. D) None of above. Show Answer Correct Answer: B) The molecules that carry an action potential across a synaptic cleft. 16. The coloured part of the eye is called ..... A) Pupil. B) Iris. C) Cornea. D) Retina. Show Answer Correct Answer: B) Iris. 17. Lobe that controls hearing (sounds) A) Frontal. B) Occipital. C) Temporal. D) Parietal. Show Answer Correct Answer: C) Temporal. 18. Neurotransmitters are released from the ends of dendrites. A) True. B) False. Show Answer Correct Answer: B) False. 19. There over a million nerve cells in the human body. A) True. B) False. Show Answer Correct Answer: B) False. 20. These glial cells, found in the CNS, are responsible for forming and circulating cerebrospinal fluid. They have cilia on their surface to help move CSF A) Ependymal. B) Oligodendrocytes. C) Microglial. D) Astrocytes. Show Answer Correct Answer: A) Ependymal. ← 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