This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 902 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 902 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Your neurons can grow new dendrites. A) True. B) False. Show Answer Correct Answer: A) True. 2. Part of the PNS that controls conscious activities A) Autonomic. B) Somatic. C) Sympathetic. D) Parasympathetic. Show Answer Correct Answer: B) Somatic. 3. Simple, automatic responses by your SPINAL CORD, such as the knee-jerk response A) Impulses. B) Reflexes. C) Movement. D) None of above. Show Answer Correct Answer: B) Reflexes. 4. Carries messages between the body and the brain: A) Cerebellum. B) Callous body. C) Spinal cord. D) Special thalamus. Show Answer Correct Answer: C) Spinal cord. 5. Which part of the nervous system takes care of the internal body functions such as digestion and heart rate? A) Peripheral nervous system. B) Central nervous system. C) Autonomic nervous system. D) Somatic nervous system. Show Answer Correct Answer: C) Autonomic nervous system. 6. Which among the following is not the function of sympathetic nervous system? A) Dilation of pupil. B) Contraction of pupil. C) Increases heart rate. D) Stimulates glucose release by liver. Show Answer Correct Answer: B) Contraction of pupil. 7. Increased feeling is A) Hyperlysis. B) Hyperesthesia. C) Hyperalgia. D) Hyperasthenia. Show Answer Correct Answer: B) Hyperesthesia. 8. The 3 organs that make up the nervous system. A) Lungs, brain, skin. B) Brain, spinal cord, nerves. C) Medulla, dendrites, axons. D) Cell body, axon endings, nucleus . Show Answer Correct Answer: B) Brain, spinal cord, nerves. 9. Cells used by the nervous system are clled ..... A) Epithelial cells. B) Plant cells. C) Neurons. D) None of these. Show Answer Correct Answer: C) Neurons. 10. A delay of 0.5ms occurs in transmission across a synapse because A) Calcium ions diffuse into the synaptic knob. B) Ion channels in the postsynaptic membrane respond slowly to the presence of acetylcholine which diffuses across the cleft. C) The synaptic knob releases acetylcholine which diffuses across the cleft. D) The presynaptic membrane is in a refractory period. Show Answer Correct Answer: C) The synaptic knob releases acetylcholine which diffuses across the cleft. 11. Electrical synapses provide a complex means to allow areas of the brain to work independently. A) T. B) F. Show Answer Correct Answer: B) F. 12. Neuroglia in the CNS that produce myelin sheath A) Schwann cells. B) Nodes of ranvier. C) Myelin sheath. D) Oligodendrocytes. Show Answer Correct Answer: D) Oligodendrocytes. 13. What is the brain's largest and most complex structure? A) Forebrain. B) Lumbar. C) Midbrain. D) Sacral. Show Answer Correct Answer: A) Forebrain. 14. Our ears detect sound through ..... A) Stimulation of chemoreceptors via the auditory tube. B) Stimulation of neurons in the malleus, incus, and stapes. C) Stimulation of free nerve endings by vibrations. D) Stimulation of hair cells vibrating in fluid. Show Answer Correct Answer: D) Stimulation of hair cells vibrating in fluid. 15. Which scenario might happen to a person who has sustained damage to their cerebellum? A) This person has difficulty tying their shoelaces. B) This person has difficulty regulating their fears. Show Answer Correct Answer: A) This person has difficulty tying their shoelaces. 16. Literally means "strong or hard mother" :outer most layer of the meninges. A) Afflins. B) Endorphins. C) Effectors. D) Dura Mater. Show Answer Correct Answer: D) Dura Mater. 17. What is the largest part of the brain? (It controls speech, language, 5 senses, memory, thoughts, and problem solving.) A) Cerebrum. B) Cerebellum. C) Medulla. D) None of above. Show Answer Correct Answer: A) Cerebrum. 18. Connect incoming sensory pathways and outgoing motor pathways in the CNS A) Afferent neurons. B) Efferent neurons. C) Motor neurons. D) Interneurons. Show Answer Correct Answer: D) Interneurons. 19. What does the peripheral nervous system consists of? A) Brain. B) Lungs. C) Heart. D) Nerves. Show Answer Correct Answer: D) Nerves. 20. What part of the neuron receives the signal? A) Dendrite. B) Axon. C) Cell body. D) Conclusion. Show Answer Correct Answer: A) Dendrite. ← 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