This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 169 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 169 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which organ connects the mouth and the stomach? A) Small intestine. B) Large Intestine. C) Esophagus. D) Liver. Show Answer Correct Answer: C) Esophagus. 2. Function of spinal cord A) Controls all voluntary actions of the body. B) To transmit impulses from the sensory organ through central nervous system to the effector to respond accordingly. C) Controls the reflex actions. D) None of above. Show Answer Correct Answer: C) Controls the reflex actions. 3. What are the two parts of the Central nervous system? A) Nerves and Neurotransmitters. B) Brain and Spinal Cord. C) Brain and Nerves. D) Spinal Cord and nerves. Show Answer Correct Answer: B) Brain and Spinal Cord. 4. Neuroglia which phagocytes invading pathogens and damaged tissues is A) Microglia. B) Astrocytes. C) Ependymal cells. D) Oligodendrocytes. Show Answer Correct Answer: A) Microglia. 5. Which is not one of the four major regions of the brain? A) Brain stem. B) Cerebellum. C) Cerebral hemispheres. D) Diencephalon. E) Peripheral nervous system. Show Answer Correct Answer: E) Peripheral nervous system. 6. What is the function of the astrocytes? A) Dispose of dead cells and bacteria. B) Provide cushioning for nerve cell body. C) Control what enters neuron through blood. D) Produce myelin sheath. Show Answer Correct Answer: C) Control what enters neuron through blood. 7. What is the contractile unit of a muscle? A) Sarcomere. B) Motor unit. C) Fascicle. D) Myofibril. Show Answer Correct Answer: A) Sarcomere. 8. A baby taking its first breath. A) Learned Behavior. B) Instinct. Show Answer Correct Answer: B) Instinct. 9. The body's message and control center. A) Nervous system. B) Brain. C) Neurons. D) Central nervous system. Show Answer Correct Answer: A) Nervous system. 10. Which of the following is NOT a primary taste sensation: A) Sweet. B) Salty. C) Pungent. D) Bitter. E) Sour. Show Answer Correct Answer: C) Pungent. 11. Choose the statement that is NOT TRUE. A) Sensory neurons have their cell bodies outside of the spinal cord. B) Motor neurons have their cell bodies inside of the spinal cord. C) Interneurons have their cell bodies outside of the spinal cord. D) A and B are both untrue. Show Answer Correct Answer: C) Interneurons have their cell bodies outside of the spinal cord. 12. How many different types of nerves are there? A) 4. B) 6. C) 3. D) 2. Show Answer Correct Answer: C) 3. 13. Your pharmacist tells you that you should not take your prescription while taking your MAOI (monoamine oxidase inhibitor) medicine. The MAOI acts to: A) Decrease the rate of breakdown of monoamines in the synaptic cleft. B) Increase the rate of breakdown of monoamines in the synaptic cleft. C) Increase the rate of transport of the monoamines back into the presynaptic terminal. D) Inhibits the release of the monoamines into the synaptic cleft. Show Answer Correct Answer: A) Decrease the rate of breakdown of monoamines in the synaptic cleft. 14. ..... nerves are controlled by the brain and work automatically. A) Somatic. B) Autonomic. C) Motor. D) Peripheral. Show Answer Correct Answer: B) Autonomic. 15. Set of neurons in the autonomic nervous system that are distal to the ganglia, are relatively long in the sympathetic division, and relatively short in the parasympathetic: A) Afferent fibers. B) Sensory fibers. C) Postganglionic fibers. D) Preganglionic fibers. Show Answer Correct Answer: C) Postganglionic fibers. 16. What diagnostic test removes cerebrospinal fluid with a needle? A) MRI. B) EEG. C) Thoracentesis. D) Lumbar puncture. Show Answer Correct Answer: D) Lumbar puncture. 17. The tongue is covered by ..... A) Cake. B) Taste buds. C) Dermis. D) Gustatory nerves. Show Answer Correct Answer: B) Taste buds. 18. When you get knocked out and just got up, what do you do A) Praise the lord your alive. B) Keep your eyes closed and say¨ I'm legally blind¨. C) Say ¨What happened?¨. D) Say ¨I have fallen and I cant get up?¨. Show Answer Correct Answer: C) Say ¨What happened?¨. 19. This oval-shaped piece of clear, curved material behind the iris focuses light onto the retina. A) Lens. B) Cornea. C) Pupil. D) Optic nerve. Show Answer Correct Answer: A) Lens. 20. The "blind spot" is located at the: A) Central pit. B) Ciliary body. C) Optic disk. D) Pupil. E) Choroid. Show Answer Correct Answer: C) Optic disk. ← 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