This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 893 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 893 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Nervous system that contains the brain and spinal cord A) Central nervous system. B) Peripheral nervous system. C) Autonomic nervous system. D) Somatic nervous system. Show Answer Correct Answer: A) Central nervous system. 2. What occurs after neurotransmitters are released into the synaptic cleft? A) They are re-uptaken by re-uptake proteins. B) They open Ca²⁺ channels on the presynaptic terminal. C) They bind to receptors on the postsynaptic neuron. D) They initiate the opening of Na⁺ channels on the presynaptic neuron. Show Answer Correct Answer: C) They bind to receptors on the postsynaptic neuron. 3. The chemical product of an endocrine gland. A) Homeostasis. B) Hormone. C) Nerve Cell. D) Neurotransmitter. Show Answer Correct Answer: B) Hormone. 4. Of- A) Lack of; removal. B) Magnet. C) Membrane around the brain and spinal cord. D) None of above. Show Answer Correct Answer: A) Lack of; removal. 5. Sensory Nerves transfer information in what direction? A) Body to the Brain. B) Brain to the Body. Show Answer Correct Answer: A) Body to the Brain. 6. This glial cell is found in the CNS and produces myelin sheaths. A) Oligodendrocyte. B) Astrocyte. C) Ependymal cell. D) Microglial cell. Show Answer Correct Answer: A) Oligodendrocyte. 7. Which brain part helps regulate body temp., controls water balance, and regulates metabolism? A) Cerebellum. B) Thalamus. C) Occipital Lobe. D) Hypothalamus. Show Answer Correct Answer: D) Hypothalamus. 8. A pinch, poke, or other change occuring outside the body A) Stimulus. B) Conclusion. C) Glial cells. D) Cutaneous sense organs. Show Answer Correct Answer: A) Stimulus. 9. Fold of tissue that vibrate and often make sounds A) Atria. B) Ventricles. C) Vocal cords. D) Epiglottis. Show Answer Correct Answer: C) Vocal cords. 10. This part of the brain is divided into 3 parts and is located between the 2 cerebral hemispheres. A) Corpus Callosum. B) Hypothalamus. C) Diencephalon. D) Midbrain. Show Answer Correct Answer: C) Diencephalon. 11. An action potential A) Prevents the neuron cell membrane from altering its charge. B) Causes the inside of the neuron cell membrane to become positive and the outside negative. C) Causes the inside of the neuron cell membrane to become positive and the outside neutral. D) Causes the outside of the neuron cell membrane to become positive and the inside negative. Show Answer Correct Answer: B) Causes the inside of the neuron cell membrane to become positive and the outside negative. 12. What system detects the environment? A) Central Nervous System. B) Sensory System. C) Peripheral Nervous System. D) Brain System. Show Answer Correct Answer: B) Sensory System. 13. What is the protective covering of the axon called? A) Myelin Sheath. B) Cell Membrane. C) Nucleus. D) Cytoplasm. Show Answer Correct Answer: A) Myelin Sheath. 14. Carry impulses from the brain and the spinal cord to muscles and glands A) Motor neurons. B) Interneurons. C) Nerves. D) Nodes. Show Answer Correct Answer: A) Motor neurons. 15. The signals sent between neurons are A) Electrical. B) Chemical. Show Answer Correct Answer: B) Chemical. 16. Which system functions to initiate the fight or flight response? A) Sympathetic. B) Parasympathetic. Show Answer Correct Answer: A) Sympathetic. 17. Quick Response action that does not need the involvement of the brain A) Voluntary Action. B) Reflex Action. C) Involuntary Action. D) None of above. Show Answer Correct Answer: B) Reflex Action. 18. An thyroid gland disorder due to lack of iodine in one's diet. A) Goiter. B) Hypothroidism. C) Hyperthroidism. D) None of above. Show Answer Correct Answer: A) Goiter. 19. Present in all tissues to detect temperature changes A) Chemoreceptors. B) Thermoreceptors. C) Baroreceptors. D) Proprioceptors. Show Answer Correct Answer: B) Thermoreceptors. 20. Name the sense organ responsible for detecting sight. A) The sense organ responsible for detecting sight is the ear. B) The sense organ responsible for detecting sight is the nose. C) The sense organ responsible for detecting sight is the tongue. D) The sense organ responsible for detecting sight is the eye. Show Answer Correct Answer: D) The sense organ responsible for detecting sight is the eye. ← 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