This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 908 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 908 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. True or False. An electrical message is sent from the dendrites to the cell body down the axon. Once that message reaches the axon terminal it is converted into a chemical message through neurotransmitters. A) True. B) False. Show Answer Correct Answer: A) True. 2. Chemicals that carry the impulse across the synapse from one neuron to the next are called A) Neurotransmitters. B) Sodium. C) Autonomic. D) Astrocyte. Show Answer Correct Answer: A) Neurotransmitters. 3. Where is the Midbrain located? A) The section located below the cerebrum at the top of the brainstem. B) The section behind the spinal cord. C) The section behind the brain. D) The section behind the cerebrum. Show Answer Correct Answer: A) The section located below the cerebrum at the top of the brainstem. 4. True or False:Your brain and spinal cord react when you have a reflex A) True. B) False. Show Answer Correct Answer: B) False. 5. Bundles of Peripheral Nervous System axons are referred to as a A) Tract. B) Nerve. C) Fascicle. D) Cord. Show Answer Correct Answer: B) Nerve. 6. The nervous system subdivision that is composed of the brain and spinal cord. A) Autonomic Nervous Sytem. B) CNS. C) PNS. D) Somatic Nervous System. Show Answer Correct Answer: B) CNS. 7. What is the job of the Thalamus? A) Has nerve centers that control different body processes and keep body conditions balanced. B) Plays an important role in emotional responses. C) Controls breathing. D) Is a relay station for incoming sensory impulses, such as vision. Show Answer Correct Answer: D) Is a relay station for incoming sensory impulses, such as vision. 8. What gives the eyeball its shape and fluid-like texture? A) Vitreous humor. B) Ciliary body. C) Cornea. D) Sclera. Show Answer Correct Answer: A) Vitreous humor. 9. Branches of a neuron that collect stimuli A) Myelin sheath. B) Dendrites. C) Cell Body. D) None of above. Show Answer Correct Answer: B) Dendrites. 10. Motor neuron A) How you react to a stimulus. B) Part of a dendrite. C) Part of an anxon. D) Neuron used to move and gather info from your muscles. Show Answer Correct Answer: D) Neuron used to move and gather info from your muscles. 11. What is the threshold potential for the propagation of an action potential along the axon of a neuron? A) -70 mV. B) -55 mV. C) -35 mV. D) -80 mV. Show Answer Correct Answer: B) -55 mV. 12. The somatic nervous system has afferent and efferent neural pathways, and the spinal cord has afferent and efferent tracts, which transmit neural messages. The afferent neural pathways and tracts are both made up of sensory neurons. A) True. B) False. Show Answer Correct Answer: B) False. 13. The hole in the iris gets bigger and smaller because A) The iris is a muscle that moves to make the pupil larger/smaller. B) The pupil can adjust itself to the amount of light coming in. C) The pupil is a muscle that controls the size of the iris. D) None of above. Show Answer Correct Answer: A) The iris is a muscle that moves to make the pupil larger/smaller. 14. Cranial nerve IX is ..... A) Olfactory. B) Vestibulocochlear. C) Vagus. D) Glossopharyngeal. Show Answer Correct Answer: D) Glossopharyngeal. 15. This is over production of CSF(Cerebrospinal Fluid) in the brain. A) Brain Contusion. B) Concussion. C) Hydrocephalus. D) Spina Bifida. Show Answer Correct Answer: C) Hydrocephalus. 16. How many main parts a brain has? A) 5. B) 17. C) 3. D) 8. Show Answer Correct Answer: C) 3. 17. Touch, pain, temperature, sweet, sour, are processed by the ..... lobe A) Parietal. B) Occipital. C) Frontal. D) Temporal. Show Answer Correct Answer: A) Parietal. 18. The center for thirst is located in the ..... A) Thalamus. B) Cerebrum. C) Cerebellum. D) Hypothalamus. Show Answer Correct Answer: D) Hypothalamus. 19. The part of the neuron which houses the neurotransmitters A) Dendrites. B) Terminal buttons. C) Synaptic Vesicles. D) Conclusion. Show Answer Correct Answer: C) Synaptic Vesicles. 20. Nervous system disorder transmitted through a mosquito A) Sympathetic system. B) Epilepsy. C) Central nervous system. D) Knee jerk reflex. E) West nile virus. Show Answer Correct Answer: E) West nile virus. ← 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