This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 65 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 65 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What causes a nerve impulse? A) The release of neurotransmitters. B) The movement of ions causing a change in electrical charges. C) The contraction of muscle fibers. D) The insulation of the neuron by myelin. Show Answer Correct Answer: B) The movement of ions causing a change in electrical charges. 2. What does the neurons impulses? A) Electrical impulses. B) Hormones. C) Sugar. D) Energy. Show Answer Correct Answer: A) Electrical impulses. 3. Something that causes a response A) Homeostasis. B) Reflexes. C) Stimulus. D) Neuron. Show Answer Correct Answer: C) Stimulus. 4. What part of a nerve cell functions to speed up the passage of impulses (excitations)? A) Dendrites. B) Cell body. C) Axon. D) Myelin sheath. Show Answer Correct Answer: D) Myelin sheath. 5. A change in the internal (inside) environment of an organism that causes a response. A) Internal Stimulus. B) External Stimulus. C) Stimulus. D) Response. Show Answer Correct Answer: A) Internal Stimulus. 6. Which layer of the meninges is described as a thick outer covering of the brain? A) Pia Mater. B) Arachnoid mater. C) Dura Mater. D) Cerebellum. Show Answer Correct Answer: C) Dura Mater. 7. What are dendrites? A) Branching fibers at the end of axon. B) Space between 2 neurons. C) Root like processes that receive the impulse and conduct them to the cell body. D) Process that extends away from the cell body and conducts the impulse away the nerve cell. Show Answer Correct Answer: C) Root like processes that receive the impulse and conduct them to the cell body. 8. This is the negatively charged ion inside the neuron: A) Sodium. B) Potassium. C) Protein. D) Electron. E) Neutron. Show Answer Correct Answer: C) Protein. 9. A resting neuron is more ..... than its surroundings. A) Negative. B) Positive. C) Acidic. D) Basic. Show Answer Correct Answer: A) Negative. 10. Which of the four lobes is typically responsible for receiving and processing auditory information? A) Frontal. B) Parietal. C) Occipital. D) Temporal. Show Answer Correct Answer: D) Temporal. 11. In which pathway does an impulse travel? A) Dendrites, cell body, axon, axon terminal, synaptic knob. B) Synaptic knob, axon terminal, axon, cell body, dendrites. C) Dendrites, axon, cell body, synaptic knob, axon terminal. D) Dendrites, synaptic knob, axon, axon terminal, cell body. Show Answer Correct Answer: A) Dendrites, cell body, axon, axon terminal, synaptic knob. 12. What do vacuoles do? A) They actually do not have an important role. B) They protect the cell. C) They are the brain of the cell. D) Storage area for cells; water storage in plants. Show Answer Correct Answer: D) Storage area for cells; water storage in plants. 13. Two glial cells insulate neurons by producing myelin. Which one is specific to the Central Nervous System? A) Schwann cells. B) Satellite. C) Oligodendrocyte. D) Ependymal cell. Show Answer Correct Answer: C) Oligodendrocyte. 14. What are the 5 senses? A) Sight, smell, touch, hear, taste. B) Sight, smell, shampoo. C) Hear, touch, smell, taste. D) Eating mac and cheese. Show Answer Correct Answer: A) Sight, smell, touch, hear, taste. 15. The ..... is the white part of the fibrous layer of the eye. A) Sclera. B) Cornea. C) Iris. D) Choroid. Show Answer Correct Answer: A) Sclera. 16. The ..... is composed of different nuclei that each serve a unique role, ranging from relaying sensory and motor signals, as well as regulation of consciousness and alertness A) Hypothalamus. B) Thalamus. C) Pons. D) Medulla oblongata. Show Answer Correct Answer: B) Thalamus. 17. AD A) Right ear. B) Left ear. C) Right eye. D) Left eye. Show Answer Correct Answer: A) Right ear. 18. Messenger molecules that allow nerve impulses to pass between neurons. A) Vesicles. B) Sodium ions. C) Communicators. D) Neurotransmitters. Show Answer Correct Answer: D) Neurotransmitters. 19. When you smell something pleasant, your nerves in the nose will send a signal to an organ in your body. What organ will the signal be sent to? A) Nose. B) Lungs. C) Heart. D) Brain. Show Answer Correct Answer: D) Brain. 20. The Peripheral Nervous System is made up of what type of neurons? A) Sensory. B) Motor. C) Both. D) Neither. Show Answer Correct Answer: C) Both. ← 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