This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 871 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 871 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What happens when an action potential arrives at the presynaptic terminal? A) Synaptic vesicles release neurotransmitters. B) Ca²⁺ channels open on presynaptic terminal. C) Neurotransmitters bind to receptors on the postsynaptic neuron. D) Na⁺ channels open on the postsynaptic neuron. Show Answer Correct Answer: B) Ca²⁺ channels open on presynaptic terminal. 2. Short, branched extensions of a neuron that receive a message A) Dendrites. B) Axon. C) Axon terminal. D) Conclusion. Show Answer Correct Answer: A) Dendrites. 3. True or False-Woman tend to have larger brain sizes than men. A) True. B) False. Show Answer Correct Answer: B) False. 4. Organs work together to make the following. A) Cells. B) Organs. C) Organ systems. D) Organism. Show Answer Correct Answer: C) Organ systems. 5. When a children runs inside after hearing a car crash outside, the child is using: A) The central nervous system, only. B) The peripheral nervous system, only. C) Both the central and peripheral nervous systems. D) Neither the central nor the peripheral nervous system. Show Answer Correct Answer: C) Both the central and peripheral nervous systems. 6. Produces nerve impulses that are carried to the auditory nerve. A) Tympanic membrane. B) Auditory canal. C) Hair cells. D) Optic nerve. Show Answer Correct Answer: C) Hair cells. 7. Most integration of the sex and food drive behaviors is accomplished through the ..... areas. A) Cerebral cortex. B) Hypothalamic nuclei. C) Limbic system. D) Brain stem. Show Answer Correct Answer: C) Limbic system. 8. This neuron part sends on messages to other neurons A) Axon. B) Cell Body. C) Myelin Sheath. D) Dendrites. Show Answer Correct Answer: A) Axon. 9. This part of the brain controls the right side of the body. A) Left. B) Cerebellum. C) Cerebral Medulla. D) Hypothalamus. Show Answer Correct Answer: A) Left. 10. Impulse conduction when a nerve impulse that jumps from node of Ranvier to node of Ranvier is called A) All or Nothing Response. B) Refractory Period. C) Saltatory Conduction. D) Synaptic Transmission. Show Answer Correct Answer: C) Saltatory Conduction. 11. The substance that wraps around the axon of a neuron is called ..... A) Myelin. B) Hemoglobin. C) Conclusion. D) Dendrite. Show Answer Correct Answer: A) Myelin. 12. If we did not have this type of cell, bacteria could more easily infiltrate our brain tissue: A) Satellite cells. B) Oligodendrocytes. C) Microglia. D) Schwann cells. Show Answer Correct Answer: C) Microglia. 13. Largest part of the brain that is divide into two halves. A) Cerebrum. B) Spinal cord. C) Frontal lobe. D) Cerebellum. Show Answer Correct Answer: A) Cerebrum. 14. Type of neuron that connects sensory and motor neurons in the CNS A) Interneuron. B) Reflex. C) Depolarization. D) None of above. Show Answer Correct Answer: A) Interneuron. 15. What type of receptor requires an effector protein to initiate a signal? A) Biogenic amine. B) Ionotropic receptor. C) Cholinergic system. D) Metabotropic receptor. Show Answer Correct Answer: D) Metabotropic receptor. 16. What type of neuron is only found in the brain? A) Motor neuron. B) Interneuron. C) Sensory neuron. D) None of above. Show Answer Correct Answer: B) Interneuron. 17. Effector meaning: A) A detectable change in the internal or external environment. B) Is usually a small molecule that selectively binds to a protein and regulates its biological activity. C) Are chemical structures, composed of protein, that receive and transduce signals that may be integrated into biological systems. D) None of above. Show Answer Correct Answer: B) Is usually a small molecule that selectively binds to a protein and regulates its biological activity. 18. Below are two statements about how neurones work:1-Neurotransmitters carry a nerve impulse along a neurone.2-An electrical charge carries a nerve impulse across a synapse.Which of these statements is/are true? A) 1 only. B) 2 only. C) 1 and 2. D) Neither. Show Answer Correct Answer: D) Neither. 19. Neuroplasticity is the brain's ability to adapt and improve its efficiency. A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 20. Contains the tightly packed cell bodies of neurons. A) White matter. B) Gray matter. C) Blue matter. D) Dark matter. Show Answer Correct Answer: B) Gray matter. ← 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