This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Nervous System – Quiz 54 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 54 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The Human Nervous System can be compared to ..... A) Motor engine. B) Computer. C) Printer. D) Television. Show Answer Correct Answer: B) Computer. 2. 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. 3. The outer white part of the eye that protects the inner structures A) Pupil. B) Iris. C) Cornea. D) Sclera. Show Answer Correct Answer: D) Sclera. 4. The cranial nerves are identified both by name and ..... A) Roman numerals. B) Acronyms. C) Abbreviations. D) Numbers. Show Answer Correct Answer: A) Roman numerals. 5. 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. 6. What is the primary role of the myelin sheath? A) Generating electrical impulses. B) Speeding up the transmission of electrical impulses along the axon. C) Connecting neurons to blood vessels. D) Receiving neurotransmitters from other neurons. Show Answer Correct Answer: B) Speeding up the transmission of electrical impulses along the axon. 7. Damage to which lobe can result in difficulty remembering names & faces, short term memory loss, aggressive behaviour, persistent talking, and seizure disorders? A) Parietal lobe. B) Frontal lobe. C) Occipital lobe. D) Temporal lobe. Show Answer Correct Answer: D) Temporal lobe. 8. The three layers of connective tissue that are wrapped around the brain and spinal cord A) Cerebrum. B) Thalamus. C) Meninges. D) Cerebellum. Show Answer Correct Answer: C) Meninges. 9. True or False:The medulla oblongata controls heartt, vomiting, swallowing, and coughing. A) False. B) True. Show Answer Correct Answer: B) True. 10. True or False? Sensory neurones only detect physical stimuli A) True. B) False. Show Answer Correct Answer: B) False. 11. What is the part of the neuron that contains the nucleus? A) Cell body. B) Axon. C) Dendrites. D) Myelin sheath. Show Answer Correct Answer: A) Cell body. 12. During the resting potential, what is the primary ion inside the cell? A) K+. B) Cl-. C) Ca+. D) Na+. Show Answer Correct Answer: A) K+. 13. Which of the following statements correctly describes a neuron when it is polarized (at rest) A) Sodium and potassium ion concentration is higher on the outside compared to inside the axon. B) Sodium and potassium ion concentration is lower on the outside compared to inside the axon. C) Sodium and potassium ions are in equal concentrations outside and inside the axon. D) None of above. Show Answer Correct Answer: A) Sodium and potassium ion concentration is higher on the outside compared to inside the axon. 14. Carry impulses from from CNS to effectors A) Efferent/motor neurons. B) Dendrites. C) Axon terminals. D) Afferent/sensory neurons. Show Answer Correct Answer: A) Efferent/motor neurons. 15. Carries impulses away from the cell body A) Dendrites. B) Axon. C) Conclusion. D) Axon terminal. Show Answer Correct Answer: B) Axon. 16. This part of the nervous system regulates involuntary actions such as heart function, blood pressure, breathing, digestion. A) Motor Nervous System. B) Sensory Nervous System. C) Peripheral Nervous System. D) Autonomic Nervous System. Show Answer Correct Answer: D) Autonomic Nervous System. 17. What is the threshhold level to cause an action potential to occur? A) -55 mV. B) -70 mV. C) 50 mV. D) 70 mV. Show Answer Correct Answer: A) -55 mV. 18. Which of the following cells of the nervous system communicate with each other to pass a message? A) Microglia. B) Schwann cells. C) Neurons. D) Oligodendrocytes. Show Answer Correct Answer: C) Neurons. 19. Where can you find cell organelles? A) Cell body. B) Cell membrane. C) Cell wall. D) None of above. Show Answer Correct Answer: A) Cell body. 20. If you touch a candle, you have a A) Polysynaptic reflex. B) Monosynaptic reflex. Show Answer Correct Answer: A) Polysynaptic reflex. 21. Where will a doctor check for swollen lymph nodes in your body? (a) A) In your arm. B) A in your neck. C) In your back. D) In your feet. Show Answer Correct Answer: B) A in your neck. 22. Which external stimulus is detected by sensory receptors in the eye? A) Pressure. B) Sound. C) Odor. D) Light. Show Answer Correct Answer: D) Light. 23. The brain is made up of: A) Cerebrum, cerebellum, and brainstem. B) Voluntary and involuntary movements. C) Cytoplasma, nucleus and organelles. D) Dendrites and axons. Show Answer Correct Answer: A) Cerebrum, cerebellum, and brainstem. 24. What is the primary function of the endocrine system? A) To produce hormones that regulate body processes. B) To filter blood and remove waste products. C) To transport oxygen and nutrients to cells. D) To control movement and coordination. Show Answer Correct Answer: A) To produce hormones that regulate body processes. 25. The following are basal ganglia terms except which one? A) Caudate nucleus. B) Putamen. C) Hippocampus. D) Globus pallidus. Show Answer Correct Answer: C) Hippocampus. 26. Which organ connects the mouth and the stomach? A) Small intestine. B) Large Intestine. C) Esophagus. D) Liver. Show Answer Correct Answer: C) Esophagus. 27. Function of spinal cord A) Controls all voluntary actions of the body. B) To transmit impulses from the sensory organ through central nervous system to the effector to respond accordingly. C) Controls the reflex actions. D) None of above. Show Answer Correct Answer: C) Controls the reflex actions. 28. What are the two parts of the Central nervous system? A) Nerves and Neurotransmitters. B) Brain and Spinal Cord. C) Brain and Nerves. D) Spinal Cord and nerves. Show Answer Correct Answer: B) Brain and Spinal Cord. 29. Neuroglia which phagocytes invading pathogens and damaged tissues is A) Oligodendrocytes. B) Astrocytes. C) Ependymal cells. D) Microglia. Show Answer Correct Answer: D) Microglia. 30. Which is not one of the four major regions of the brain? A) Cerebral hemispheres. B) Cerebellum. C) Peripheral nervous system. D) Brain stem. E) Diencephalon. Show Answer Correct Answer: C) Peripheral nervous system. 31. What is the function of the astrocytes? A) Dispose of dead cells and bacteria. B) Provide cushioning for nerve cell body. C) Control what enters neuron through blood. D) Produce myelin sheath. Show Answer Correct Answer: C) Control what enters neuron through blood. 32. What is the contractile unit of a muscle? A) Fascicle. B) Sarcomere. C) Myofibril. D) Motor unit. Show Answer Correct Answer: B) Sarcomere. 33. A baby taking its first breath. A) Learned Behavior. B) Instinct. Show Answer Correct Answer: B) Instinct. 34. The body's message and control center. A) Neurons. B) Central nervous system. C) Nervous system. D) Brain. Show Answer Correct Answer: C) Nervous system. 35. Which of the following is NOT a primary taste sensation: A) Sweet. B) Salty. C) Sour. D) Pungent. E) Bitter. Show Answer Correct Answer: D) Pungent. 36. Choose the statement that is NOT TRUE. A) Sensory neurons have their cell bodies outside of the spinal cord. B) Motor neurons have their cell bodies inside of the spinal cord. C) Interneurons have their cell bodies outside of the spinal cord. D) A and B are both untrue. Show Answer Correct Answer: C) Interneurons have their cell bodies outside of the spinal cord. 37. Your pharmacist tells you that you should not take your prescription while taking your MAOI (monoamine oxidase inhibitor) medicine. The MAOI acts to: A) Increase the rate of breakdown of monoamines in the synaptic cleft. B) Increase the rate of transport of the monoamines back into the presynaptic terminal. C) Inhibits the release of the monoamines into the synaptic cleft. D) Decrease the rate of breakdown of monoamines in the synaptic cleft. Show Answer Correct Answer: D) Decrease the rate of breakdown of monoamines in the synaptic cleft. 38. ..... nerves are controlled by the brain and work automatically. A) Somatic. B) Autonomic. C) Motor. D) Peripheral. Show Answer Correct Answer: B) Autonomic. 39. Set of neurons in the autonomic nervous system that are distal to the ganglia, are relatively long in the sympathetic division, and relatively short in the parasympathetic: A) Preganglionic fibers. B) Sensory fibers. C) Postganglionic fibers. D) Afferent fibers. Show Answer Correct Answer: C) Postganglionic fibers. 40. What diagnostic test removes cerebrospinal fluid with a needle? A) EEG. B) Thoracentesis. C) MRI. D) Lumbar puncture. Show Answer Correct Answer: D) Lumbar puncture. 41. The tongue is covered by ..... A) Cake. B) Gustatory nerves. C) Taste buds. D) Dermis. Show Answer Correct Answer: C) Taste buds. 42. When you get knocked out and just got up, what do you do A) Praise the lord your alive. B) Keep your eyes closed and say¨ I'm legally blind¨. C) Say ¨What happened?¨. D) Say ¨I have fallen and I cant get up?¨. Show Answer Correct Answer: C) Say ¨What happened?¨. 43. This oval-shaped piece of clear, curved material behind the iris focuses light onto the retina. A) Lens. B) Pupil. C) Optic nerve. D) Cornea. Show Answer Correct Answer: A) Lens. 44. The "blind spot" is located at the: A) Ciliary body. B) Choroid. C) Optic disk. D) Pupil. E) Central pit. Show Answer Correct Answer: C) Optic disk. 45. How are neurons classified by the number of processes extending from the cell body? A) By the number of nuclei. B) By their size. C) By the number of processes extending from the cell body. D) By the length of the axon. Show Answer Correct Answer: C) By the number of processes extending from the cell body. 46. The main part of the neuron is the cell body. A) FALSE. B) TRUE. Show Answer Correct Answer: A) FALSE. 47. The ..... is located below the cerebrum, towards the back of the brain. A) Spinal Cord. B) Medulla. C) Cerebellum. D) Nerves. Show Answer Correct Answer: C) Cerebellum. 48. This electrochemical signal carries thoughts, emotions, learning and body functions. A) Impulse. B) Stimulus. C) Conclusion. D) None of above. Show Answer Correct Answer: A) Impulse. 49. Nerves are made of billions of nerve cells called ..... A) Signals. B) Neurons. C) Transmitters. D) Connectors. Show Answer Correct Answer: B) Neurons. 50. Which part of a neuron RECIEVES a signal? A) Cell body. B) Axon. C) Dendrite. D) None of above. Show Answer Correct Answer: C) Dendrite. 51. There job is to produce a specificresponse to a detected stimulus. A) Receptors. B) Detectors. C) Reflex. D) Effectors. Show Answer Correct Answer: D) Effectors. 52. I store food, water, and waste. I can be found in all plant cells and in some animal cells. I am smaller in the animal cell. A) Cell wall. B) Cytoplasm. C) Vacuoles. D) Chloroplast. Show Answer Correct Answer: C) Vacuoles. 53. The part of a neuron which is often the receptor from our sense organ is the ..... A) Dendrite. B) Axon. Show Answer Correct Answer: A) Dendrite. 54. Shivering when cold is an example of A) Maintaining homeostasis. B) Voluntary Response. C) Stimulus. D) Information from the environment. Show Answer Correct Answer: A) Maintaining homeostasis. 55. Found in skin, muscles & organs A) Sensory neurons. B) Interneurons. C) Motor neurons. D) None of above. Show Answer Correct Answer: A) Sensory neurons. 56. The brain is the control centre of the body A) True. B) False. Show Answer Correct Answer: A) True. 57. Graded potentials A) Are often all-or-none. B) May be either a depolarization or a hyperpolarization. C) Produce an effect that increases with distance from the point of stimulation. D) Produce an effect that spreads actively across the membrane surface. Show Answer Correct Answer: B) May be either a depolarization or a hyperpolarization. 58. Which nerve fiber transmits nerve impulses towards the soma? A) Dendrite. B) Axon. C) Soma. D) Node of Ranvier. Show Answer Correct Answer: A) Dendrite. 59. Which part of the autonomic nervous system is responsible for the 'fight or flight' response? A) Somatic nervous system. B) Enteric nervous system. C) Sympathetic nervous system. D) Parasympathetic nervous system. Show Answer Correct Answer: C) Sympathetic nervous system. 60. The backbone protects the ..... A) Brain. B) Nerves. C) Spinal cord. D) None of above. Show Answer Correct Answer: C) Spinal cord. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesNervous System Quiz 1Nervous System Quiz 2Nervous System Quiz 3Nervous System Quiz 4Nervous System Quiz 5Nervous System Quiz 6Nervous System Quiz 7Nervous System Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books