This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 996 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 996 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which part of the body contains neurons that detect changes in the environment? ¿Qué parte del cuerpo contiene neuronas que detectan cambios en el medio ambiente? A) Central nervous system. B) Spinal cord. C) Glands. D) Skin. Show Answer Correct Answer: D) Skin. 2. Optic nerve A) I. B) II. C) III. D) IV. Show Answer Correct Answer: B) II. 3. The Peripheral Nervous System (PNS) contains: A) The cranial nerves, ganglia, and all other parts of the nervous system except for the brain and spinal cord. B) The brain, the optic nerves, and other nerves in your head. C) The spinal cord and several nerves in your feet and legs. D) The Avengers. Show Answer Correct Answer: A) The cranial nerves, ganglia, and all other parts of the nervous system except for the brain and spinal cord. 4. What is the amount of blood pumped through our brain every minute? A) 7.5 ml. B) 75 ml. C) 750 ml. D) 7500 ml. Show Answer Correct Answer: C) 750 ml. 5. Which of the two divisions of the autonomic nervous system would activate in order to bring your heart rate and respiratory rates back down to relax? A) Sympathetic Nervous System. B) Parasympathetic Nervous System. Show Answer Correct Answer: B) Parasympathetic Nervous System. 6. Transmit information from receptors in the body to the CNS. Also called afferent nerves. A) Sensory nerves. B) Motor nerves. C) Mixed nerves. D) None of above. Show Answer Correct Answer: A) Sensory nerves. 7. Loss of myelin; result in loss of muscle function, double vision, loss of balance, poor coordination, tremors, tingling, numbness A) Parkinson's. B) Cerebral palsy. C) Bell's palsy. D) Multiple Sclerosis. Show Answer Correct Answer: D) Multiple Sclerosis. 8. Axons having a protective sheath that gives a white appearance are described as A) Visceral. B) Unmyelinated. C) Ependymal. D) Myelinated. Show Answer Correct Answer: D) Myelinated. 9. The Somatic Nervous System (a subsystem of PNS) is involved in which of the following actions? A) Heart beating. B) Digesting. C) Clapping. D) Breathing. Show Answer Correct Answer: C) Clapping. 10. Which of the following is not a layer of the eye? A) Photo optic. B) Sclera. C) Choroid. D) Retina. Show Answer Correct Answer: A) Photo optic. 11. When the radial muscles contracts, the pupil A) Constricts. B) Dilates. Show Answer Correct Answer: B) Dilates. 12. Perception occurs ..... A) When the brain interprets the sensory input. B) When the awareness of a stimulus that occurs when the brain receives sensory impulses. C) When the brain sends the sensation back to its point of origin, so the person can pinpoint the area of stimulation. D) None of the above. Show Answer Correct Answer: A) When the brain interprets the sensory input. 13. CONSISTS OF THE BRAIN AND THE SPINAL CORD. RECEIVES AND SENDS MESSAGES TO NERVES AND NEURONS. A) OUTSIDE NERVOUS SYSTEM. B) PERIPHERAL NERVOUS SYSTEM. C) MIDDLE NERVOUS SYSTEM. D) CENTRAL NERVOUS SYSTEM. Show Answer Correct Answer: D) CENTRAL NERVOUS SYSTEM. 14. An automatic reaction that happens without thinking about it. A) Reaction. B) Reflex. C) Impulse. D) Stimulus. Show Answer Correct Answer: B) Reflex. 15. Fancy Nancy is playing a game of volleyball and sees an opportunity, so she chooses to spike the ball. This is an example of a ..... A) Voluntary reaction. B) Involuntary reaction. Show Answer Correct Answer: A) Voluntary reaction. 16. The human body is made up of small structures called ..... A) Bones. B) Limbs. C) Muscles. D) Cells. Show Answer Correct Answer: D) Cells. 17. An extension of a neuron that receives stimuli A) Axon. B) Nerve. C) Dendrite. D) Conclusion. Show Answer Correct Answer: C) Dendrite. 18. CHALLENGE:Which procedure is a surgical repair of the skull? A) Craniotomy. B) Cranioplasty. C) Craniocele. D) Craniomalacia. Show Answer Correct Answer: B) Cranioplasty. 19. Function of the nervous system which processes and interprets sensory input A) Satellite cells. B) Integration. C) Sensory input. D) Motor output. Show Answer Correct Answer: C) Sensory input. 20. Sound waves enter the middle ear and make the ..... vibrate A) Eardrum. B) Cochlea. C) Brain. D) Auditory canal. Show Answer Correct Answer: A) Eardrum. ← 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