This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 66 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 66 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The ..... is composed of different nuclei that each serve a unique role, ranging from relaying sensory and motor signals, as well as regulation of consciousness and alertness A) Hypothalamus. B) Thalamus. C) Pons. D) Medulla oblongata. Show Answer Correct Answer: B) Thalamus. 2. AD A) Right ear. B) Left ear. C) Right eye. D) Left eye. Show Answer Correct Answer: A) Right ear. 3. Messenger molecules that allow nerve impulses to pass between neurons. A) Vesicles. B) Sodium ions. C) Communicators. D) Neurotransmitters. Show Answer Correct Answer: D) Neurotransmitters. 4. When you smell something pleasant, your nerves in the nose will send a signal to an organ in your body. What organ will the signal be sent to? A) Nose. B) Lungs. C) Heart. D) Brain. Show Answer Correct Answer: D) Brain. 5. The Peripheral Nervous System is made up of what type of neurons? A) Sensory. B) Motor. C) Both. D) Neither. Show Answer Correct Answer: C) Both. 6. What is the target organ for insulin? A) The brain. B) The pancreas. C) The liver. D) The kidneys. Show Answer Correct Answer: C) The liver. 7. Every spinal nerve is a mixed nerve. This ensures a high speed of reflexes. A) True. True. B) True. False. C) False. True. D) False. False. Show Answer Correct Answer: A) True. True. 8. What type of neuron has only one process? A) Unipolar neurons. B) Multipolar Neurons. C) Bipolar Neurons. D) Interneurons. Show Answer Correct Answer: A) Unipolar neurons. 9. The gaps between Schwann cells are called A) Axon hillocks. B) Neuroglia. C) Chromatophilic bodies. D) Nodes of Ranvier. Show Answer Correct Answer: D) Nodes of Ranvier. 10. An organic brain disease involving loss offunction in two or more areas of cognition A) Epilepsy. B) Meningitis. C) Dementia. D) Traumatic brain injury. Show Answer Correct Answer: C) Dementia. 11. Which neuron is non-myelinated? A) Parasympathetic, postganglionic neuron. B) Sympathetic preganglionic neuron. C) Somatic neuron. D) Parasympathetic preganglionic neuron. Show Answer Correct Answer: A) Parasympathetic, postganglionic neuron. 12. This region of the brain is divided into two sides by a trench called the longitudinal fissure that are linked by a bundle of neural fibers called the corpus callosum. A) Cerebrum. B) Cerebellum. C) Medulla oblongata. D) Pons. Show Answer Correct Answer: A) Cerebrum. 13. Which of the following does NOT manufacture digestive juices? A) Liver. B) Kidneys. C) Stomach. D) Pancreas. Show Answer Correct Answer: B) Kidneys. 14. This system is in charge of processing information and creating an answer in the form of electrical impulses. A) Locomotor system. B) Musculoskeletal system. C) Nervous system. D) Central and peripheral nervours systems. Show Answer Correct Answer: D) Central and peripheral nervours systems. 15. Anterograde means towards the cell body. A) True. B) False. Show Answer Correct Answer: B) False. 16. What muscle inside the iris is responsible for constricting the pupil to admit less light? A) Pupillary dilator. B) Pupillary constrictor muscle. C) Intrinsic eye muscles. D) Sympathetic nervous system. Show Answer Correct Answer: B) Pupillary constrictor muscle. 17. What is the main part of the Nervous System? A) CNS. B) ANS. C) PNS. D) CCNS. Show Answer Correct Answer: A) CNS. 18. Electroencephalogram (EEG) A) Neurons that carry outgoing information from the brain and spinal cord to the muscles and glands. B) Record of the electrical activity of the brain. C) A large structure of the hindbrain that controls fine motor skills. D) The thalamus is the main sensory relay center for conducting information between the spinal cord and cerebrum. Show Answer Correct Answer: B) Record of the electrical activity of the brain. 19. Tectospinal tract A) Direct motor pathway. B) Indirect motor pathway. C) Conscious sensory tract. D) Unconscious sensory tract. Show Answer Correct Answer: B) Indirect motor pathway. 20. Medical term for sleep walking A) Insomnia. B) Narcolepsy. C) Somnambulism. D) Sleep deprivation. Show Answer Correct Answer: C) Somnambulism. ← 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