This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 485 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 485 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which part of the brain acts as a "relay station" receiving most incoming sensory information and transmitting that information to the appropriate primary motor area in the brain? A) Thalamus. B) Hypothalamus. C) Amygdala. D) Pons. Show Answer Correct Answer: A) Thalamus. 2. The neurotransmitter norepinephrine stimulates fight or flight reactions in what system? A) Parasympathetic system. B) Sensory neuron system. C) Somatic motor neuron system. D) Sympathetic system. Show Answer Correct Answer: D) Sympathetic system. 3. Black circle, allows light to enter the eye A) Iris. B) Pupil. C) Optic nerve. D) Retina. Show Answer Correct Answer: B) Pupil. 4. Carry impulses from the sense organs to the spinal cord and brain. A) Sensory neurons. B) Motor neurons. C) Interneurons. D) Nerves. Show Answer Correct Answer: A) Sensory neurons. 5. Myelin sheath A) Transmits impulse. B) Conducting cells. C) Insulation for conduction. D) Speeds up the transmissions. Show Answer Correct Answer: C) Insulation for conduction. 6. What does a ligand-gated channel require in order to open? A) Increase in concentration of Na+ ions. B) Binding of a neurotransmitter. C) Increase in concentration of K+ ions. D) Depolarization of the membrane. Show Answer Correct Answer: B) Binding of a neurotransmitter. 7. Brain stem controls A) Breathing. B) Taste. C) Movement. D) Sight. Show Answer Correct Answer: A) Breathing. 8. This part of the brain is where new memories are formed. A) Brain stem. B) Cerebellum. C) Cerebrum. D) Hippocampus. Show Answer Correct Answer: D) Hippocampus. 9. The part of the brain responsible for heart beat is ..... A) Cerebellum. B) Medulla. C) Cerebrum. D) None of these. Show Answer Correct Answer: B) Medulla. 10. Encephalo means: A) Skull. B) Brain. C) Brain and Skull. D) The whole head. Show Answer Correct Answer: B) Brain. 11. Portion of the neuron increases the speed of the impulses transmission. A) Dendrite. B) Myelin Sheath. C) Cell Body. D) Axon. Show Answer Correct Answer: B) Myelin Sheath. 12. As part of the immune system, white blood cells fight germs. Another name for white blood cells is: A) Rhinovirus B. B) Leukocytes. C) Glands. D) Nodes. Show Answer Correct Answer: B) Leukocytes. 13. The brain carries out all mental functions. A) True. B) False. Show Answer Correct Answer: A) True. 14. In neurons, that portion of the cell that contains the nucleus; the cell body, as opposed to the cell processes (axons and dendrites). A) Soma. B) Neurotransmitter. C) Cerebral Cortex. D) White Matter. Show Answer Correct Answer: A) Soma. 15. A bundle of neurons forms a ..... A) Axon. B) Cell body. C) Dendrite. D) Nerve. Show Answer Correct Answer: D) Nerve. 16. The nervous system is structurally subdivided into two systems: ..... nervous system and ..... nervous system A) Central; peripheral. B) Somatic; autonomic. C) Autonomic; sympathetic. D) Parasympathetic; sympathetic. Show Answer Correct Answer: A) Central; peripheral. 17. Which group of animals has a series of paired dorsal spinal nerves containing somatic sensory, visceral sensory and visceral motor nerve fibers? A) Lampreys. B) Amphioxus. C) Hagfishes. D) Teleosts. Show Answer Correct Answer: B) Amphioxus. 18. Part of the Nervous System that is activated when you feel excited, embarrassed, or are engaged in exercise. A) Autonomic (Involuntary NS). B) Somatic (Voluntary NS). C) Parasympathetic NS. D) Sympathetic NS. E) Peripheral NS. Show Answer Correct Answer: D) Sympathetic NS. 19. A girl pinches her fingers between 2 desks. She pulls her fingers away quickly. The response in the scenario is ..... A) Fingers pinched between 2 desks. B) Pull fingers away. C) She yells "ow"!. D) None of above. Show Answer Correct Answer: B) Pull fingers away. 20. A synapse between a motor neuron and a muscle cell is called ..... A) A muscle-nerve area. B) A mobility information transfer. C) A neuromuscular junction. D) A place. Show Answer Correct Answer: C) A neuromuscular junction. ← 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