This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 282 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 282 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Why is it difficult to get chemicals into the brain to treat brain cancer? A) The brain has too many chemicals already. B) Because of the blood-brain barrier, most cells and chemicals in the blood do not reach the brain. C) Because of myelinated sheaths. D) The head is higher up, so chemicals always go to the feet. Show Answer Correct Answer: B) Because of the blood-brain barrier, most cells and chemicals in the blood do not reach the brain. 2. When performance of one task by participants in an experiment affects their performance in a second experimental task, this confounding variable is commonly referred to as a/an A) Order effect. B) Placebo effect. C) Experimenter effect. D) Confounding effect. Show Answer Correct Answer: A) Order effect. 3. The nerve fibers transmit the somatic sensation of our chin form the peripheral to the central region through A) Superior orbital fissure. B) Foramen ovale. C) A round hole. D) Supraorbital foramen. Show Answer Correct Answer: B) Foramen ovale. 4. An example of a multipolar neuron is a ..... A) Sensory cell in the eye. B) Sensory cell in the nose. C) Motor neuron. D) Sensory neuron in PNS. Show Answer Correct Answer: C) Motor neuron. 5. What is the English Meaning of the Medical Term Gangli/o [ GANGLIO ] A) Movement. B) Positive deviation. C) Bone Marrow or Spinal Chord. D) Knott, Knott-Like Mass. E) Numbness, Sleep. Show Answer Correct Answer: D) Knott, Knott-Like Mass. 6. Which nerve is motor and responsible for tongue movement? A) Hypoglossal (XII). B) Facial (VII). C) Olfactory (I). D) Trigeminal (B). Show Answer Correct Answer: A) Hypoglossal (XII). 7. The part of the brain in charge of involuntary actions such as breathing and heartbeat. A) Cerebrum. B) Medulla. C) Cerebellum. D) Neuron. Show Answer Correct Answer: B) Medulla. 8. The basic structural and functional unit of brain is A) Spinal Cord. B) Nephron. C) Neuron. D) Nerve. Show Answer Correct Answer: C) Neuron. 9. When you burn your hand on the stove the impulse and response are handled by your ..... and Peripheral Nerves. A) Cerebrum. B) Cerebellum. C) Brain Stem. D) Spinal Cord. Show Answer Correct Answer: D) Spinal Cord. 10. What is the function of the pupil? A) Accommodation to see near and/or far objects. B) To constrict when taking in light. C) To adjust the level of refraction. D) To produce a sharper image. Show Answer Correct Answer: B) To constrict when taking in light. 11. What part of the neuron receives messages from other neurons? A) Dendrites. B) Axon. C) Nucleus. D) Cell Body. Show Answer Correct Answer: A) Dendrites. 12. Consists of the brain and spinal cord and is the control center of the body A) Secondary nervous system. B) Central nervous system. C) Peripheral nervous system. D) Primary nervous system. Show Answer Correct Answer: B) Central nervous system. 13. PNS is the nervous system outside of the brain and spinal cord A) True. B) False. Show Answer Correct Answer: A) True. 14. Identify which is WRONGLY paired. A) Analysis by touch:right-handed. B) General interpretative center:right-handed. C) Spatial visualization:left-handed. D) None of above. Show Answer Correct Answer: A) Analysis by touch:right-handed. 15. How many skin cells do you have covering your body? A) About ten thousand. B) About one million. C) About ten million. D) Billions and billions. Show Answer Correct Answer: D) Billions and billions. 16. They help us to connect with the outside world. A) Sense organs. B) Heart. C) Stomach. D) None of above. Show Answer Correct Answer: A) Sense organs. 17. What animal has the largest brain when compared to their body mass? A) Elephant. B) Human. C) Gorilla. D) Rhesus Macaque. Show Answer Correct Answer: B) Human. 18. What structure is # 9? A) Cochlea. B) Tympanic Membrane/ Eardrum. C) Ossicles (Malleus, Incus, Stapes). D) Semicircular Canals. Show Answer Correct Answer: D) Semicircular Canals. 19. How does the human body respond to hot temperatures? A) Hibernates. B) Migrates. C) Sweats. D) Shivers. Show Answer Correct Answer: C) Sweats. 20. Which organ is responsible for your sense of HEARING? A) Olfactory bulb. B) Eyes. C) Cochlea. D) Neuromuscular spindles. Show Answer Correct Answer: C) Cochlea. ← 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