This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 113 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 113 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the function of the somatic system? A) Regulates the activities of glands, smooth muscle, and the heart. B) Takes sensory information from sensory receptors to the CNS. C) Sends back motor commands from the CNS to the muscles. D) Controls the skeletal muscles. Show Answer Correct Answer: C) Sends back motor commands from the CNS to the muscles. 2. Coordinates breathing and heart movements. A) Brain stem. B) Spinal cord. Show Answer Correct Answer: A) Brain stem. 3. What does the auricle do? A) Skin made for piercing. B) Collects sound and funnels it down the ear canal. C) Helps with balance. D) Collects dust and dirt. Show Answer Correct Answer: B) Collects sound and funnels it down the ear canal. 4. Your skeletal system is in charge of making your blood. A) True. B) False. Show Answer Correct Answer: A) True. 5. This is the part of the brain stem that controls the rate and depth of breathing. A) Diencephalon. B) Midbrain. C) Pons. D) Spinal cord elongated. Show Answer Correct Answer: C) Pons. 6. Multiple Sclerosis (MS) A) A large structure of the hindbrain that controls fine motor skills. B) Numbness and tingling in extremities. C) Injury to the brain caused by a blow. D) Destruction of the myelin sheath on neurons in the CNS and its replacement by plaques of sclerotic (hard) tissue. Show Answer Correct Answer: D) Destruction of the myelin sheath on neurons in the CNS and its replacement by plaques of sclerotic (hard) tissue. 7. Nerves are made up of nerve cells called as ..... A) Axon. B) Dendrites. C) Neurons. D) None of above. Show Answer Correct Answer: C) Neurons. 8. ..... layers of connective tissue under the skull cover the brain. A) Three. B) Five. C) Ten. D) None of above. Show Answer Correct Answer: A) Three. 9. Which of the following best describes how signals travel on neurons in the human body? A) Cell body $\rightarrow$ axon $\rightarrow$ dendrite. B) Axon $\rightarrow$ cell body $\rightarrow$ dendrite. C) Dendrite $\rightarrow$ cell body $\rightarrow$ axon. D) Either choice a or b depending on where the signal originates. Show Answer Correct Answer: C) Dendrite $\rightarrow$ cell body $\rightarrow$ axon. 10. The stimulation of an endocrine gland leads to ..... A) Secretion of a substance (many different types) to an epithelial surface. B) Secretion of a hormone to the bloodstream. C) Secretion of a hormone to an epithelial surface. D) Secretion of a substance (many different types) to the bloodstream. Show Answer Correct Answer: B) Secretion of a hormone to the bloodstream. 11. The peripheral nervous system (PNS) is made up of A) The brain only. B) The brain and spinal cord. C) The spinal cord only. D) All the nerves in the body. Show Answer Correct Answer: D) All the nerves in the body. 12. Schwann cells form the myelin sheath around the A) Nodes of ranvier. B) Axon. C) Dendrites. D) Nucleus. E) Cell body. Show Answer Correct Answer: B) Axon. 13. What do barroreceptors respond to> A) Pressure. B) Strain/stress. C) Heat. D) Chemicals. Show Answer Correct Answer: A) Pressure. 14. Sensory neuron definition: A) Neurons that transmit vibes to the brain and spinal cord. B) Neurons that transmit impulses from receptors to the brain and spinal cord. Show Answer Correct Answer: B) Neurons that transmit impulses from receptors to the brain and spinal cord. 15. Regulates daily homeostasis and maintenance A) Sympathetic. B) Parasympathetic. Show Answer Correct Answer: B) Parasympathetic. 16. Identify the neuroglia described:Encase neurons and may myelinate A) Astrocytes. B) Ependymal. C) Schwann Cells. D) Oligodendrocytes. E) Microglia. Show Answer Correct Answer: C) Schwann Cells. 17. The Nervous system is made up of millions of nerve cells called ..... A) Organelles. B) Nerve fibers. C) Neurons. D) Dendrites. Show Answer Correct Answer: C) Neurons. 18. The ..... nervous system is responsible for the "fight or flight" response A) Sympathetic. B) Parasympathetic. Show Answer Correct Answer: A) Sympathetic. 19. Which functional division of the nervous system would be responsible for control of body temperature? A) Somatic Nervous System. B) Autonomic Nervous System. Show Answer Correct Answer: B) Autonomic Nervous System. 20. The ..... neurons transmit electric impulses from our senses to the CNS. A) Autonomic. B) Sensory. C) Motor. D) Complex. Show Answer Correct Answer: B) Sensory. ← 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