This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 582 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 582 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The bacterial infection known as "pinkeye" is caused by irritation of the: A) Choroid. B) Conjunctiva. C) Cornea. D) Retina. E) Sclera. Show Answer Correct Answer: B) Conjunctiva. 2. Ears, Mouth, Eyes, Skin A) Central Nervous System. B) Peripheral Nervous System. C) Sense Organs. D) Sensory (Afferent) Nervous System. E) Motor (Efferent) Nervous System. Show Answer Correct Answer: C) Sense Organs. 3. The iris has an opening in the centre called the ..... A) Cornea. B) Retina. C) Pupil. D) Optic Nerve. Show Answer Correct Answer: C) Pupil. 4. The nucleus is located in which part of the neuron (nerve cell)? A) Dendrites. B) Cell body. C) Axon. D) Conclusion. Show Answer Correct Answer: B) Cell body. 5. Which type of matter is for processing information? A) Gray. B) White. Show Answer Correct Answer: A) Gray. 6. There are ..... parts of nose A) 2. B) 3. C) 5. D) 6. Show Answer Correct Answer: B) 3. 7. Which of the following is NOT true about the brain? A) It weighs about 1.4 kg. B) It is protected by the cranium. C) It interprets the nerve impulses from the receptors. D) It is part of the central nervous system. E) It is divided into two cerebral semicircles. Show Answer Correct Answer: E) It is divided into two cerebral semicircles. 8. Type of neurons that carry information from the CNS through nerves to effectors such as muscles or glands. A) Sensory Neurons. B) Interneurons. C) Motor Neurons. D) None of above. Show Answer Correct Answer: C) Motor Neurons. 9. Which is NOT a function of the cerebrospinal fluid? A) It protects the central nervous system. B) It cushions the brain. C) It increases pressure at the base of the brain. D) It fills the subarachnoid space. Show Answer Correct Answer: C) It increases pressure at the base of the brain. 10. Which structure controls how much light is let into the eye? A) The pupil. B) The sclera. C) The iris. D) The lens. Show Answer Correct Answer: C) The iris. 11. How are living things able to respond to their surrounding world? A) Thanks to the nervous system. B) Thanks to the brain. C) Thanks to the sensory and motor nerves. D) Thanks to digestive system. Show Answer Correct Answer: A) Thanks to the nervous system. 12. Which part make you balance, dance and flexibility A) Brain stem. B) Medulla. C) Thalamus. D) Cerebellum. E) Cerebrum. Show Answer Correct Answer: D) Cerebellum. 13. The actions that are controlled by the brain are called ..... actions. A) Automatic. B) Voluntary. C) Involuntary. D) Reflex. Show Answer Correct Answer: B) Voluntary. 14. The white matter of the nervous system is made up of: A) Myelinated fibers. B) Nuclei. C) Unmyelinated fibers. D) Ganglia. Show Answer Correct Answer: A) Myelinated fibers. 15. As the impulse passes, gates within the potassium channel open, allowing ..... to flow out A) K ions. B) Na ions. C) At ions. D) Ha ions. Show Answer Correct Answer: A) K ions. 16. What are the glial cells that help the neurons of the CNS to produce ATP? A) Microglia. B) Astrocytes. C) Oligodendrocytes. D) Satellite cells. Show Answer Correct Answer: B) Astrocytes. 17. The gaps in the myelin sheath are called ..... A) Nodes. B) Synapses. C) Reflexes. D) Potentials. Show Answer Correct Answer: A) Nodes. 18. What part of the PNS is involuntary A) Somatic. B) Autonomic. C) They will bring. D) Afferent. Show Answer Correct Answer: B) Autonomic. 19. ..... controls and regulates the amount light entering the eye A) Iris. B) Pupil. C) Retina. D) Cornea. Show Answer Correct Answer: B) Pupil. 20. Meaning process of producing a picture A) -graphy. B) -esthesia. C) -ology. D) -otomy. Show Answer Correct Answer: A) -graphy. ← 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