This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 678 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 678 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Heart rate is controlled by the brain. A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 2. Which of the following activities is primarily regulated by the parasympathetic nervous system? A) Slowing heart rate during exercise. B) Dilating blood vessels in response to stress. C) Constricting airways during a panic attack. D) Dilating/enlarges the pupil. Show Answer Correct Answer: A) Slowing heart rate during exercise. 3. What does a bundle of fascicles best describe? A) Muscle fiber. B) Muscle tissue. C) Myofibril. D) Tendon. Show Answer Correct Answer: B) Muscle tissue. 4. The spinal cord is a long tube of nervous tissue protected by your vertebrae that does what? A) Filters waste products from the blood. B) Stores nutrients for the body. C) Produces hormones for the endocrine system. D) Transmits signals between the brain and the rest of the body. Show Answer Correct Answer: D) Transmits signals between the brain and the rest of the body. 5. The Nodes of Ranvier exist because ..... A) It speeds up the message sent along the axon. B) Schwann cells aren't large enough to cover the whole axon. C) The neurons get damaged and gaps form. D) It's a side effect of the way the neuron is developed. Show Answer Correct Answer: A) It speeds up the message sent along the axon. 6. The meninges has 3 layers; dura mater, arachnoid, Pia mater. A) True. B) False. Show Answer Correct Answer: A) True. 7. Fight-or-flight situations are dominated by the A) Parasympathetic Nervous System. B) Sympathetic Nervous System. C) Neurotransmitters. D) Accessory Ganglia. Show Answer Correct Answer: B) Sympathetic Nervous System. 8. The consolidation of short-term memory into long-term memory appears to be a function of A) The substantia nigra. B) The hippocampus. C) The cerebral peduncles. D) The arcuate fasciculus. E) The precentral gyrus. Show Answer Correct Answer: B) The hippocampus. 9. The amplitude of an action potential is not dependent on the amount of the current that produced it. Larger currents do no create large action potentials. This is referred to as: A) None-or-All Principle. B) All-or-None Principle. C) Wolff's Law. D) None of above. Show Answer Correct Answer: B) All-or-None Principle. 10. Identify the name of the white insulating substance that often covers the axon of a neuron and helps speed up the conduction of the message A) MYELIN. B) NEUROTRANSMITTERS. C) Conclusion. D) VESICLE. Show Answer Correct Answer: A) MYELIN. 11. A type of neurons transmit nerve impulses from the receptor to the central nervous system? A) Associative neuron. B) Motor neuron. C) Sensory neuron. D) None of above. Show Answer Correct Answer: C) Sensory neuron. 12. A function of this system is to act as a barrier against infection. A) Circulatory. B) Outgrowths. C) Muscular. D) Nervous. Show Answer Correct Answer: B) Outgrowths. 13. What is the spinal chord? A) The main pathway for information connecting the brain and peripheral nervous system. B) The part of our nervous system that gives the rest of the body structure. C) A series of bones that are made up of vertebrae and cartilage. D) A small organ that stretches from the brain to the base of the neck. Show Answer Correct Answer: A) The main pathway for information connecting the brain and peripheral nervous system. 14. An AChE inhibitor would A) Increase levels of ACh. B) Decrease levels of ACh. C) No change of ACh. D) Increase levels of AChE. Show Answer Correct Answer: A) Increase levels of ACh. 15. Includes the brain and the spinal cord A) Peripheral nervous system. B) Central nervous system. Show Answer Correct Answer: B) Central nervous system. 16. The nervous system is composed of cells, tissues, and organs. Which is a cell of the nervous system. A) Neuron. B) Ganglion. C) Spinal cord. D) Brain. Show Answer Correct Answer: A) Neuron. 17. What is the long process of a neuron called? A) Dendrite. B) Axon. C) Neuroglia. D) Synapse. Show Answer Correct Answer: B) Axon. 18. Tetraplegia A) Paralysis of all four limbs. B) Paralysis of the lower part of the body and legs. C) Painful sensation in response to normal stimulation. D) None of above. Show Answer Correct Answer: A) Paralysis of all four limbs. 19. Automatic responses to protect your body from harm A) Signals. B) Bones. C) Reflexes. D) Nerves. Show Answer Correct Answer: C) Reflexes. 20. A ..... is composed of overlapping thick and thin myofilaments and is the smallest unit that contracts A) Sarcolemma. B) Myofibril. C) Sarcomere. D) Sarcoplasmic reticulum. Show Answer Correct Answer: C) Sarcomere. ← 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