This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 627 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 627 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is a function of the thalamus? A) Allows for the memorization of sounds and objects. B) Coordinates movements. C) Controls involuntary processes like heart rate and blood pressure. D) Decides which impulses are important enough to be relayed to the parietal lobe. Show Answer Correct Answer: D) Decides which impulses are important enough to be relayed to the parietal lobe. 2. Which of the following describes the function of microglia cells? A) Create, secrete and circulate cerebrospinal fluid and help form the blood-brain barrier. B) Produce the myelin sheath in the CNS. C) Support and anchor neurons, stem cells, form blood-brain barrier. D) Immune defense against invading microorganisms. E) Produce the myelin sheath in the PNS. Show Answer Correct Answer: D) Immune defense against invading microorganisms. 3. The human ear receives sound waves as ..... and converts them to signals that are processed by the brain A) Electricity. B) Vibrations. C) Pitch. D) Light. Show Answer Correct Answer: B) Vibrations. 4. If a person has an injury on the left side of his brain, what part of his/her body will be effected? A) Left side of the body. B) Right side of the body. C) His eyes. D) His ears. Show Answer Correct Answer: B) Right side of the body. 5. Sensory nerve of the face A) Olfactory. B) Optic. C) Trigeminal. D) Accessory. Show Answer Correct Answer: C) Trigeminal. 6. From ankle to toe, what is the order of bones? A) Tarsals, metatarsals, phalanges. B) Phalanges, metatarsals, tarsals. C) Metatarsals, phalanges, tarsals. D) Tarsals, phalanges, metatarsals. Show Answer Correct Answer: A) Tarsals, metatarsals, phalanges. 7. What is the English Meaning of the Medical Term Cerebr/o [ CEREBR/O ]? A) Skull. B) Brain. C) Glue, Neurological Tissue. D) Tension. E) Tree (Tree Like Branch). Show Answer Correct Answer: B) Brain. 8. Myelinate axons outside of the CNS. cells wrap themselves around the axon in a jelly-roll fashion. A) Schwann cells. B) Broca's area. C) Synaptic cleft. D) Choroid plexus. Show Answer Correct Answer: A) Schwann cells. 9. Processes that carry nerve impulses away from the cell body. A) Dendrite. B) Axon. C) Nucleus. D) Cell Body. Show Answer Correct Answer: B) Axon. 10. What are the functional units of the nervous system? A) Threshold. B) Neuron. C) Conclusion. D) Phalanges. Show Answer Correct Answer: B) Neuron. 11. Subdivision of the motor division responsible for controlling involuntary events 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: E) Autonomic nervous system (ANS). 12. Sympathetic stimulation of the iris causes: A) Astigmatism. B) Pupillary constriction. C) Pupillary dilation. D) Vitreous secretion. Show Answer Correct Answer: C) Pupillary dilation. 13. Some neurons do not generate action potentials but change membrane potentials when stimulated, known as ..... A) All-or-none potentials. B) Stimulated potentials. C) Graded potentials. D) Gradual potentials. Show Answer Correct Answer: C) Graded potentials. 14. In which direction does an impulse travel along a neuron? A) From axon to axon. B) From axon to dendrite. C) From dendrite to axon. D) From dendrite to dendrite. Show Answer Correct Answer: C) From dendrite to axon. 15. How do you take care of eyes A) Sit upright while reading. B) Read book lying down. C) Wash your eyes with dirty water. D) Sit close to television. Show Answer Correct Answer: A) Sit upright while reading. 16. Identify the response ..... "A squirrel scratches at a flea bite" A) A flea bite. B) A squirrel scratches. Show Answer Correct Answer: B) A squirrel scratches. 17. Your eye focuses light on the retina ..... specifically on the A) Sclera. B) Lens. C) Central pit. D) Optic nerve. Show Answer Correct Answer: C) Central pit. 18. Microglia are responsible for A) Providing an immune response. B) Collecting sensory information. C) Supporting and anchoring neurons. D) Secreting cerebrospinal fluid. Show Answer Correct Answer: A) Providing an immune response. 19. Where were the receptors in the response time lab? (with the green screen) A) The muscles of your arm. B) Clicking. C) In your eyes. D) The green light. Show Answer Correct Answer: C) In your eyes. 20. This structure controls emotions, and it connects the basal ganglia, thalamus, and hypothalamus. This structure modifies behavior, controls fear, anger, sorrow, and pleasure. This allows you to recognize things that threaten your survival and controls our survival instincts. A) Limbic System. B) Thalamus. C) Hypothalamus. D) Spinal cord elongated. Show Answer Correct Answer: A) Limbic System. ← 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