This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 684 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 684 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In myelinated neurons, A) An action potential occurs at a neurolemmocyte. B) An action potential occurs at each of node of Ranvier. C) Only continuous conduction can occur. D) The threshold is lower than in unmyelinated neurons. Show Answer Correct Answer: B) An action potential occurs at each of node of Ranvier. 2. Received the nerve impulse A) Dendrites. B) Cell body. C) Axon. D) Axon terminals. Show Answer Correct Answer: A) Dendrites. 3. In the stimulus-response model, the ..... determine(s) what the body needs to do to maintain homeostasis. A) Control Centre. B) Receptors. C) Effectors. D) Stimulus. E) Response. Show Answer Correct Answer: A) Control Centre. 4. Which division of the nervous system is responsible for understanding sensory input and controlling motor output? A) Parasympathetic Divsion. B) Autonomic nervous System. C) Central Nervous System. D) Sommatic Nervous System. Show Answer Correct Answer: C) Central Nervous System. 5. The vasculated area of skin is the? A) Dermis. B) Epidermis. C) Hypodermis. D) Basal layer. Show Answer Correct Answer: A) Dermis. 6. You´re giving a speech in front of the entire school body A) Parasympathetic nervous system. B) Sympathetic nervous system. Show Answer Correct Answer: B) Sympathetic nervous system. 7. Which of the statements is true of reflexes? A) All reflex signals must go to the brain. B) They require conscious thought. C) They are slow and gradual responses. D) They are involuntary. Show Answer Correct Answer: D) They are involuntary. 8. Area of cerebrum that allows us to physically form the words to speak A) Broca's Area. B) Wernicke's area. C) Precentral Gyrus. D) Postcentral Gyrus. Show Answer Correct Answer: A) Broca's Area. 9. What are the gaps on the myelin sheath called? A) Cell bodies. B) Thresholds. C) Nodes. D) Axons. Show Answer Correct Answer: C) Nodes. 10. Skeletal movements are part of the ..... A) Somatic nervous system. B) Autonomic. C) PNS. D) CNS. Show Answer Correct Answer: A) Somatic nervous system. 11. A major function of the spinal cord is to A) Protect the spinal column. B) Connect the brain and central nervous system. C) Initiate voluntary muscle movements. D) Connect the brain and peripheral nervous system. Show Answer Correct Answer: D) Connect the brain and peripheral nervous system. 12. Of the following, which is NOT a sense organ (used by one of your senses)? A) Eyes. B) Tongue. C) Ears. D) Intestine. Show Answer Correct Answer: D) Intestine. 13. Drugs affect which of the following in the neurotransmitters? A) Histamine. B) Enzymes. C) Cytoplasm. D) Dopamine. Show Answer Correct Answer: D) Dopamine. 14. Which type of foods help strengthen your bones? A) Dairy. B) Fruit. C) Meat. D) Sugar. Show Answer Correct Answer: A) Dairy. 15. The correct medical term for someone who suffers from recurrent seizures is: A) Epilepsy. B) Cerebral palsy. C) Meningitis. D) Concussion. Show Answer Correct Answer: A) Epilepsy. 16. What is the main function of the iris? A) Neurons use a lot of ATP to work sodium-potassium pumps which helps recharge a neuron to its resting potential after an action potential. B) Coordinates muscle action, processes info about body position and posture, controls these by keeping skeletal muscles in state of partial contraction. C) Has muscles attached to it so it can focus light. D) Constricts to let appropriate amount of light in. Show Answer Correct Answer: D) Constricts to let appropriate amount of light in. 17. Which part of the neuron is responsible for sending impulses away from the cell body? A) Dendrites. B) Nucleus. C) Axon. D) Conclusion. Show Answer Correct Answer: C) Axon. 18. Would the human body be numb without nerves? A) No. B) Yes. Show Answer Correct Answer: B) Yes. 19. Dendrites are branching extensions of A) Chromosomes. B) Genes. C) Neurons. D) Glial cells. Show Answer Correct Answer: C) Neurons. 20. The myelin sheath A) Makes the signal travel faster and insulates the axon. B) Protects the neuron. C) Carries the signal away from the cell body. D) Carries the signal to the cell body. Show Answer Correct Answer: A) Makes the signal travel faster and insulates the axon. ← 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