This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 625 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 625 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... are sensory receptors found on the human tongue. A) Neurons. B) Olfactory nerves. C) Choroids. D) Taste buds. Show Answer Correct Answer: D) Taste buds. 2. Most of our senses are first collected in which of these structures before being sent to the lobes that process them? A) Amygdala. B) Brain stem. C) Thalamus. D) Hypothalamus. E) Cerebellum. Show Answer Correct Answer: C) Thalamus. 3. In the contraction cycle, the step where the myosin head binds to the actin is called A) Cross bridge formation. B) Power stroke. C) Release of myosin head. D) Reset myosin head. Show Answer Correct Answer: A) Cross bridge formation. 4. What is a state of near-unconsciousness or insensibility? A) Lethargy. B) Stupor. C) Exacerbation. D) Epilepsy. Show Answer Correct Answer: B) Stupor. 5. How many neuroglia cells are in the PNS? A) 4. B) 8. C) 2. D) None of above. Show Answer Correct Answer: C) 2. 6. CNS composed a system outside of the brain and spinal cord. A) True. B) False. Show Answer Correct Answer: B) False. 7. Made up of the Brain and the Spinal Cord. A) Peripheral Nervous System (PNS). B) Neuronal Synaptic System (NSS). C) Central Nervous System (CNS). D) None of above. Show Answer Correct Answer: C) Central Nervous System (CNS). 8. Which of the following is not one of the three main types of sampling A) Convenience sampling. B) Stratified sampling. C) Homogenous sampling. D) Random sampling. Show Answer Correct Answer: C) Homogenous sampling. 9. Which one is voluntary muscle? A) Cardiac. B) Smooth. C) Skeletal. D) None of above. Show Answer Correct Answer: C) Skeletal. 10. Part of a neuron that contains the nucleus A) Axons. B) Nodes of Ranvier. C) Myelin Sheath. D) Cell body. E) Dendrite. Show Answer Correct Answer: D) Cell body. 11. Photoreceptors are A) Pictures make of light. B) Photos that collect light. C) Light sensitive cells. D) Receivers of photos. Show Answer Correct Answer: C) Light sensitive cells. 12. The neuron that transmits the impulse is called the ..... A) Presynaptic cell. B) Postsynaptic cell. C) Motor neuron. D) None of above. Show Answer Correct Answer: A) Presynaptic cell. 13. How could the strength of a nerve impulse which is generated by an action potential, send a bigger signal in an emergency? A) Adrenaline. B) Increased frequency of action potentials. C) Decrease action potential. D) All or none response tagsB.LS1.3. Show Answer Correct Answer: B) Increased frequency of action potentials. 14. Characterized by rapidly worsening muscle weakness that can lead to temporary paralysis. Also known as infectious polyneuritis. A) Obsessive-compulsive. B) Post-traumatic stress. C) Schizophrenia. D) Guillain-Barre syndrome. Show Answer Correct Answer: D) Guillain-Barre syndrome. 15. Long extension of a neuron that carries nerve impulses away from the body of the cell A) Dendrites. B) Axon. C) Nucleus. D) Nuclei. Show Answer Correct Answer: B) Axon. 16. What is the purpose of the hypothalamus? A) Acts a a relay center & directs impulses to the cerebrum. B) Allows cerebrospinal fluid to circulate. C) Maintains homeostasis. D) Acts a protective covering for the brain. Show Answer Correct Answer: C) Maintains homeostasis. 17. Returns the body to normal after the fight-or-flight response has occurred. A) Sympathetic division. B) Parasympathetic division. C) Enteric division. D) None of above. Show Answer Correct Answer: B) Parasympathetic division. 18. Which of the following is the role of the nervous system in the body? A) Receives information about what is going on in your body as well as what is going on around you. B) Helps your body maintain homeostasis. C) Tells your body how to react to the information it receives. D) All of the choices. Show Answer Correct Answer: D) All of the choices. 19. A mixed nerve is one which A) Carries sensation from two or more different sense organs. B) Contains both sensory and motor fibres. C) Has a common root but branches into two or more nerves to different organs. D) Has two or more roots from different parts of the brain. Show Answer Correct Answer: B) Contains both sensory and motor fibres. 20. Which of the following is not a factor in speed of a nerve impulse transmission. A) Presence of myelin sheath. B) Diameter of axon. C) Body weight. D) Body temperature. Show Answer Correct Answer: C) Body weight. ← 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