This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 167 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 167 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which muscles in the eye contract and relax to change the size of the pupil A) Iris. B) Ciliary muscles. C) Suspensory ligaments. D) Sclera. Show Answer Correct Answer: A) Iris. 2. The most important systems of the human body A) Nervous system. B) Neurons. C) Autonomic nervous system. D) Impulsive. Show Answer Correct Answer: A) Nervous system. 3. What is the purpose of the cerebrospinal fluid? A) Cushions the brain from injury. B) Functions in. learning, speech, emotion, reasoning, vision, hearing and fine movements. C) Maintains posture and balance. D) Fight or flight. Show Answer Correct Answer: A) Cushions the brain from injury. 4. What carries the sensory information from the nose to the brain? A) Olfactory bulb. B) Olfactory nerve. C) Optic nerve. D) Thalamus. Show Answer Correct Answer: B) Olfactory nerve. 5. Which of the following statements about the resting membrane potential is TRUE? A) The exterior of the cell has a net negative charge and the interior has a net positive charge. B) The exterior of the cell has a net negative charge and the interior is neutral. C) The exterior of the cell has a net positive charge and the interior has a net negative charge. D) The exterior of the cell has a net positive charge and the interior is neutral. Show Answer Correct Answer: C) The exterior of the cell has a net positive charge and the interior has a net negative charge. 6. Which of the following puts the overarching functions of the nervous system in the correct order? A) Sensory input $\rightarrow$ integration $\rightarrow$ motor ouput. B) Motor output $\rightarrow$ integration $\rightarrow$ sensory input. C) Integration $\rightarrow$ sensory input $\rightarrow$ motor output. D) Sensory input $\rightarrow$ motor output $\rightarrow$ integration. E) Integration $\rightarrow$ motor output $\rightarrow$ sensory input. Show Answer Correct Answer: A) Sensory input $\rightarrow$ integration $\rightarrow$ motor ouput. 7. Physician who specializes in diagnosing and treating chemical dependencies, emotional problems, and mental illness A) Neurosurgeon. B) Psychologist. C) Anesthetist. D) Psychiatrist. Show Answer Correct Answer: D) Psychiatrist. 8. The president as the chief of command, relays the information to IATF down to the people about the safety protocols and quarantine measures to avoid COVID-19 transmission. IATF role can be compared to what part of Central Nervous System? A) Brain. B) Cerebellum. C) Cerebrum. D) Spinal Cord. Show Answer Correct Answer: C) Cerebrum. 9. Which of these is not one of the types of neurons? A) Motor neuron. B) Interneuron. C) Sensory neuron. D) Photoreceptor. Show Answer Correct Answer: D) Photoreceptor. 10. What happens in the brain stem? A) Controls only involuntary and voluntary movements. B) Connects the spinal cord and the lower part of the brain. C) Where problem solving and thinking takes place. D) Where information is processed but doesn't allow you to control your body. Show Answer Correct Answer: B) Connects the spinal cord and the lower part of the brain. 11. The somatic nervous system assists with voluntary actions, like muscle movement A) True. B) False. Show Answer Correct Answer: A) True. 12. What is the name given to the outer layers of the Schwann cell? A) Acholemma. B) Myelin sheath. C) Neurilemma. D) Endoneurium. Show Answer Correct Answer: C) Neurilemma. 13. Phototropism ( is the growth of an organism in response to a light stimulus.) is a plant's response to- A) Light-an external stimulus. B) Light-an internal stimulus. C) Gravity-an external stimulus. D) Gravity-an internal stimulus. Show Answer Correct Answer: A) Light-an external stimulus. 14. Myelianation A) Begins in childhood. B) Begins before birth. C) Continues throughout adulthood. D) Both b and c. Show Answer Correct Answer: D) Both b and c. 15. The Human Nervous System can be compared to ..... A) Printer. B) Television. C) Motor engine. D) Computer. Show Answer Correct Answer: D) Computer. 16. It controls the amount of light that enters the pupil. A) Iris. B) Retina. C) Eyebrow. D) None of above. Show Answer Correct Answer: A) Iris. 17. The outer white part of the eye that protects the inner structures A) Cornea. B) Iris. C) Pupil. D) Sclera. Show Answer Correct Answer: D) Sclera. 18. The cranial nerves are identified both by name and ..... A) Numbers. B) Roman numerals. C) Abbreviations. D) Acronyms. Show Answer Correct Answer: B) Roman numerals. 19. What is the function of endorphins in the nervous system? A) Pain reduction and pleasure. B) Regulation of mood and perception. C) Inhibition of excitatory neurotransmitters. D) None of above. Show Answer Correct Answer: A) Pain reduction and pleasure. 20. What is the primary role of the myelin sheath? A) Speeding up the transmission of electrical impulses along the axon. B) Receiving neurotransmitters from other neurons. C) Generating electrical impulses. D) Connecting neurons to blood vessels. Show Answer Correct Answer: A) Speeding up the transmission of electrical impulses along the axon. ← 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