This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 195 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 195 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If I keep current constant and increase my resistance, I should see ..... in voltage A) An increase. B) A decrease. C) No change. D) None of above. Show Answer Correct Answer: A) An increase. 2. A body part associated with our senses, such as the eyes, nose, ears, tongue, and skin, that sends information about our external environment to the brain. A) Brain. B) Spinal Cord. C) Nerves. D) Sensory Organ. Show Answer Correct Answer: D) Sensory Organ. 3. What part of the brain controls movement, balance and coordination? A) Cerebrum. B) Cerebellum. C) Brain stem. D) None of above. Show Answer Correct Answer: B) Cerebellum. 4. The function of our nervous system is to control bodily functions and reactions? A) True. B) False. Show Answer Correct Answer: A) True. 5. The stress response involves two kinds of chemicals: ..... and ..... A) Hormones, neurotransmitters. B) Ions, cytotoxins. C) Ions, intercalators. D) Interleukins, histamines. Show Answer Correct Answer: A) Hormones, neurotransmitters. 6. Which part of the nervous system is the central command center of the body? A) Brain. B) Spinal Cord. C) Neuron. D) Dendrite. E) Axon. Show Answer Correct Answer: A) Brain. 7. Type of neuron in eye, ear, and nose A) Multipolar. B) Unipolar. C) Bipolar. D) Non polar. Show Answer Correct Answer: C) Bipolar. 8. Amy has an itch on her nose and would like to scratch it. What part of her nervous system will control the movement of her arm to scratch her nose? A) Somatic. B) Sympathetic. C) Parasympathetic. D) Autonomic. Show Answer Correct Answer: A) Somatic. 9. What does letter BD represent? A) Spinal cord lateral ventricle. B) Cerebellum. C) Sulci. D) Gyrus. Show Answer Correct Answer: B) Cerebellum. 10. Which of the following does not influence the time necessary for a nerve impulse to be transmitted? A) Length of the axon. B) Presence or absence of Nodes of Ranvier. C) Presence or absence of a myelin sheath. D) Whether or not the impulse begins in the CNS. Show Answer Correct Answer: D) Whether or not the impulse begins in the CNS. 11. The Central Nervous System are made up of the ..... and ..... A) Brain and Meninges. B) Meninges and Spinal Cord. C) Brain and Spinal Cord. D) Brain and Peripheral Nerves. Show Answer Correct Answer: C) Brain and Spinal Cord. 12. The neurons that formed the spinal cord and brain are A) Sensory neurons. B) Motor. C) Interneurons. D) Rotator neurons. Show Answer Correct Answer: C) Interneurons. 13. Bright light will cause the A) Pupil to get smaller. B) Iris to become smaller. C) Fovea centrals to move. D) Pupil to get much larger. Show Answer Correct Answer: A) Pupil to get smaller. 14. What part of the brainstem controls heart rate, blood pressure, and digestion and is also responsible for reflexes like sneezing and coughing? A) Midbrain. B) Pons. C) Spinal cord elongated. D) Hypothalamus. Show Answer Correct Answer: C) Spinal cord elongated. 15. A synapse occurs between A) The axons of two different neurons. B) The dendrites of two different neurons. C) The axon of one neuron and the cell body of another neuron. D) The axon of one neuron and the dendrite of another neuron. Show Answer Correct Answer: D) The axon of one neuron and the dendrite of another neuron. 16. The brain weighs approximately మెదడు బరువు దాదాపుగా A) 1400g. B) 1300g. C) 400g. D) 1000g. Show Answer Correct Answer: A) 1400g. 17. Which of the following can conduct impulses away from the neuron cell body or toward it? A) Axon. B) Dendrite. C) Myelin Sheath. D) Conclusion. Show Answer Correct Answer: A) Axon. 18. Gaps in the myelin sheath surrounding axons are calleD: A) Nodes of Ranvier. B) Schwann cells. C) Interneurons. D) Effectors. Show Answer Correct Answer: A) Nodes of Ranvier. 19. The brain and spinal cord are protected and cushioned by three connective tissue membranes that are collectively called ..... A) Arachnoid villi. B) Ventricles. C) Meninges. D) Sinuses. Show Answer Correct Answer: C) Meninges. 20. What are the nerves that send messages to the CNS, they take messages about the position of the body from the muscles and they take messages about organs like the heart and stomach A) Afferent Nerves. B) Special Nerves. C) Organelle Nerves. D) Efferent Nerves. Show Answer Correct Answer: A) Afferent Nerves. ← 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