This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 723 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 723 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The neuron type that receives stimuli is the: A) Motor neuron. B) Sensory neuron. C) Association neuron. D) Interneuron. Show Answer Correct Answer: B) Sensory neuron. 2. How is an action potential generated? A) Small area of nerve becomes positive causing a chain reaction. B) Small area of nerve becomes negative causing chain reaction. C) Small area of nerve becomes more positive causing a chain reaction. D) Small area of nerve becomes more negative causing a chain reaction. Show Answer Correct Answer: A) Small area of nerve becomes positive causing a chain reaction. 3. What is plasma primarily made of? A) A yellowish fluid. B) Platelets. C) Red blood cells. D) White blood cells. Show Answer Correct Answer: A) A yellowish fluid. 4. What sense is taste tied to? A) Sense of smell. B) Sense of touch. C) Sense of sight. D) Sense of hearing. Show Answer Correct Answer: A) Sense of smell. 5. Which part of the brain controls muscle balance and body position? A) Cerebrum. B) Medulla oblongata. C) Cerebellum. D) Thalamus. Show Answer Correct Answer: C) Cerebellum. 6. A major function of skin is protection from: A) Abrasion. B) UV light. C) Entry of microorganisms. D) All of the above. Show Answer Correct Answer: D) All of the above. 7. The input part of a neuron; short, highly-branched, cytoplasmic extensions of the cell body that generate small electrical currents TOWARDS the cell body when stimulated A) Neurons. B) Conclusion. C) Ganglion. D) Dendrites. Show Answer Correct Answer: D) Dendrites. 8. The auditory ossicles are located within the: A) External ear. B) Middle ear. C) Inner ear. D) Bony labrith. E) Membranous labyrinth. Show Answer Correct Answer: B) Middle ear. 9. The following are plexus names except which one? A) Cervical. B) Thoracic. C) Lumbar. D) Brachial. Show Answer Correct Answer: B) Thoracic. 10. Series of involuntary muscular contractions along the walls of the digestive tract are termed A) Peristalsis. B) Epiglottis. C) Pepsin. D) Stomach. Show Answer Correct Answer: A) Peristalsis. 11. Which part of the brain coordinates timing and patterns for smooth movements? A) Brainstem. B) Medulla oblongata. C) Cerebellum. D) Cerebrum. Show Answer Correct Answer: C) Cerebellum. 12. Which of the fllowing is NOT a structural feature of a neuron: A) Synaptic cleft. B) Cell body. C) Dendrites. D) Axon. E) Node of Ranvier. Show Answer Correct Answer: A) Synaptic cleft. 13. There is only one example of cardiac muscle in the body. It is the ..... A) Heart. B) Brain. C) Bicep. D) Rib cage. Show Answer Correct Answer: A) Heart. 14. Cardiac muscle is found where? A) In the heart. B) In the lungs. C) In the brain. D) In stomach. Show Answer Correct Answer: A) In the heart. 15. How many bones do we have in our body? A) 250 bones. B) 100 bones. C) 200 bones. D) None of above. Show Answer Correct Answer: C) 200 bones. 16. Lymphocytes are actually: A) Red blood cells. B) White blood cells. C) Neurons. D) Cell nuclei. Show Answer Correct Answer: B) White blood cells. 17. What's the condition called when a person has no use of their arms and legs? A) Paraplegia. B) Quadriplegia. C) Transient Paralysis. D) None of above. Show Answer Correct Answer: B) Quadriplegia. 18. The ventral root carries ..... information, and the dorsal root carries ..... information. A) Motorcycle; motorcycle. B) Motor; sensory. C) Sensory; sensory. D) Sensory; motor. Show Answer Correct Answer: B) Motor; sensory. 19. Which type of nerve is for signals going UP to the brain? A) Motor. B) Sensory. Show Answer Correct Answer: B) Sensory. 20. Which of the following best describes a Sulcus? A) A ridge in the cerebrum. B) A shallow groove in the cerebrum. C) A deep groove that can separate lobes of the brain. D) None of above. Show Answer Correct Answer: B) A shallow groove in the cerebrum. ← 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