This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 618 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 618 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A group of nervous system disorders resultingfrom brain damage before or during birth, or inearly infancy A) Cerebral palsy. B) Epilepsy. C) Multiple sclerosis. D) Dementia. Show Answer Correct Answer: A) Cerebral palsy. 2. A nerve impulse is received first by what part of the neuron? A) Axon. B) Conclusion. C) Dendrite. D) Soma. Show Answer Correct Answer: C) Dendrite. 3. What are 3 of the major functions of the brain (in order) A) Forebrain, midbrain, hindbrain. B) Hindbrain, midbrain, forebrain. C) Thoughts, movements, functions. D) None of above. Show Answer Correct Answer: A) Forebrain, midbrain, hindbrain. 4. The ..... fills the posterior part of the eye. A) Vitreous humor. B) Aqueous humor. C) Central pit. D) Optic disc. Show Answer Correct Answer: A) Vitreous humor. 5. What is the role of the inferior rectus muscle? A) It elevates and turns the eye laterally. B) It moves the eye laterally. C) It depresses and turns the eye medially. D) It elevates and turns the eye medially. Show Answer Correct Answer: C) It depresses and turns the eye medially. 6. The two major ions that move back and forth across the cell membrane when the neuron is stimulated are A) Na+ and K+. B) Ca+ and K+. C) H2O and iron. D) Na+ and Ca+. Show Answer Correct Answer: A) Na+ and K+. 7. During repolarization, the sodium channels are closed. How does this affect a neuron? A) The neuron cannot respond to new stimuli. B) The neuron becomes more sensitive to new stimuli. C) It does not affect the neuron; it can still respond to stimuli. D) None of the above. Show Answer Correct Answer: B) The neuron becomes more sensitive to new stimuli. 8. A mechanoreceptor is sensitive to A) Chemical substances. B) Physical stimuli:touch, pressure, sound waves, gravity. C) Light. D) Temperature change. E) Stimuli that cause pain. Show Answer Correct Answer: B) Physical stimuli:touch, pressure, sound waves, gravity. 9. What is the part of the brain in charge of the feelings and memories? A) Brainstem. B) Cerebrum. C) Cerebellum. D) Amygdala. Show Answer Correct Answer: D) Amygdala. 10. What is the receptive part of a neuron? A) Axon hillock. B) Dendrite. C) Myelin sheath. D) Axon. Show Answer Correct Answer: B) Dendrite. 11. Disorder with the loss of control of the body with degrees of consciousness, seizures. A) Epilepsy. B) Knee jerk reflex. C) Central nervous system. D) Involuntary reflex. E) Sensory neurons. Show Answer Correct Answer: A) Epilepsy. 12. Good circulation A) Blood circulation. B) Bloody urine. C) Smooth blood circulation. D) None of above. Show Answer Correct Answer: C) Smooth blood circulation. 13. When neurotransmitters cross a synapse and bind to the receptors on a neuron ..... A) An action potential is initiated. B) An action potential is inhibited. C) An action potential is either inhibited or inhibited. D) None of the options is correct; neurotransmitters binding to receptors generally have little impact on action potentials. Show Answer Correct Answer: C) An action potential is either inhibited or inhibited. 14. A motor neuron sends impulses A) From the brain to a muscle or gland. B) From the brain to a sensory neuron. C) From the muscle to an interneuron. D) From a sensory neuron to another sensory neuron. Show Answer Correct Answer: A) From the brain to a muscle or gland. 15. Structural nervous system subdivision that consists of the brain and spinal cord A) Motor (efferent) division. B) Sensory (afferent) division. C) Peripheral nervous system (PNS). D) Central nervous system (CNS). E) Autonomic nervous system (ANS). Show Answer Correct Answer: D) Central nervous system (CNS). 16. What is the most common type of structural neuron? A) Bipolar neuron. B) Multipolar neuron. C) Unipolar neuron. D) All of the above. Show Answer Correct Answer: B) Multipolar neuron. 17. All of the following are glial cells EXCEPT ..... A) Astrocytes. B) Microglial. C) Neurons. D) Oligodendrocytes. Show Answer Correct Answer: C) Neurons. 18. The division of the PNS that controls voluntary muscle movements A) Sympathetic. B) Autonomic. C) Somatic. D) Sciatic. Show Answer Correct Answer: C) Somatic. 19. What is the order of the three stages of how the nervous system operates? A) 1.sensory input2. contemplation 3. output. B) 1. sensory input2. integration3. motor output. C) 1. sensory input2. download3. movement. D) 1. sensory input2. motor output3. integrate. Show Answer Correct Answer: B) 1. sensory input2. integration3. motor output. 20. What does the axon do? A) Converts the electrical impulse into a chemical signal. B) Converts the chemical signal into an electrical impulse. C) Provides energy for the cell. D) Receives a chemical signal. Show Answer Correct Answer: B) Converts the chemical signal into an electrical impulse. ← 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