This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 935 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 935 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the name of the chemicals that send messages between nerve cells A) Neurotransmitters. B) Signal molecules. C) Reception markers. D) Transfer molecules. Show Answer Correct Answer: A) Neurotransmitters. 2. Neurotransmitters released from the presynaptic terminal A) Bind to receptors on the postsynaptic terminal. B) Stimulate action potentials in the presynaptic terminal. C) After binding to the postsynaptic terminal, are then often broken down by enzymes. D) Both a and c. E) All of the above. Show Answer Correct Answer: D) Both a and c. 3. Name 3 reflexes. A) Blinking, coughing, and looking at your phone. B) Jerking your leg when the Dr. taps your knee, blinking and texting on your phone. C) Coughing, sneezing. D) Blinking, jerking your let when the Dr. taps your knee, pulling away when something is hot. Show Answer Correct Answer: D) Blinking, jerking your let when the Dr. taps your knee, pulling away when something is hot. 4. I can ..... with my skin A) See. B) Taste. C) Touch. D) Smell. Show Answer Correct Answer: C) Touch. 5. During chemical transmission across a synapse ..... Neurotransmitter molecules diffuse across the synaptic cleft and bind to A) Voltage-gated channels on postsynaptic neuron. B) Ligand-gated channels on postsynaptic neuron. C) Voltage-gated channels on presynaptic neuron. D) Ligand-gated channels on presynaptic neuron. Show Answer Correct Answer: B) Ligand-gated channels on postsynaptic neuron. 6. The ..... are tiny arm like cells that help to diffuse nutrients and minerals. A) Gallbladder. B) Chyme. C) Pancreas. D) Villi. Show Answer Correct Answer: D) Villi. 7. How does your body prevent your temperature from rising excessively? A) By drinking water, that lowers body temperature when it is absorbed in the body cells. B) By shivering that acts as air conditioner in the body. C) By having "goosebumps" that make the hair stand up trapping air that cools the body. D) By sweating, that lowers body temperature when it exavprates, which draws hear energy away from the body. Show Answer Correct Answer: D) By sweating, that lowers body temperature when it exavprates, which draws hear energy away from the body. 8. What is the final step in synaptic transmission as depicted in the diagram? A) The re-uptake of neurotransmitters. B) The binding of neurotransmitters to the presynaptic neuron. C) The opening of Ca²⁺ channels on the presynaptic terminal. D) The impulse continues in the postsynaptic neuron. Show Answer Correct Answer: D) The impulse continues in the postsynaptic neuron. 9. Glial cells that absorb and dispose of dead cells and bacteria A) Microglia. B) Efferent nerves. C) Meninges. D) Axon. Show Answer Correct Answer: A) Microglia. 10. There are 2 types of plant movement: A) Tropism and nastic. B) Photoperiodism and tropism. C) Nastic and phototroperiodism. D) Nastic and stimuli. Show Answer Correct Answer: A) Tropism and nastic. 11. What is formed by tissues? A) Cells. B) Tissues. C) Organs. D) Systems. Show Answer Correct Answer: C) Organs. 12. The ..... neurons are responsible for sending messages from the brain to muscles to create movement A) Sensory. B) Motor. C) Autonomic. D) Peripheral. Show Answer Correct Answer: B) Motor. 13. A bundle of nerve tissue that links the brain to the nerves in peripheral nerve system is called the ..... A) Brain stem. B) Central nervous system. C) Spinal cord. D) None of above. Show Answer Correct Answer: C) Spinal cord. 14. Which part of the neuron conducts impulses away from the cell body A) Axon. B) Cell body. C) Dendrite. D) Node. Show Answer Correct Answer: A) Axon. 15. "Rest and Digest" is mostly associated with an increase in adrenaline and sympathetic activity. A) True. B) False. Show Answer Correct Answer: B) False. 16. What is the role of synapses in the nervous system? A) Communicate between neurons. B) Process and interpret sensory information. C) Coordinate appropriate responses. D) Transmit signals from the central nervous system to effectors. Show Answer Correct Answer: A) Communicate between neurons. 17. This diagram shows that: A) Your nervous system is made up of your stomach, lungs, and other organs. B) Nerves that come from different levels in your spine send messages to and from different organs. Show Answer Correct Answer: B) Nerves that come from different levels in your spine send messages to and from different organs. 18. It is a is a rare, inherited, and progressive neurological disorder caused by a mutation in a specific gene. A) Alzheimer. B) Huntington. C) Bell's palsy. D) Parkinson. Show Answer Correct Answer: B) Huntington. 19. How many lobes does the cerebrum consist of? A) 2. B) 3. C) 4. D) 6. Show Answer Correct Answer: C) 4. 20. Following a head injury, you notice that your friend is walking like she's drunk and has lost her balance. What part of the brain was likely injured? A) Cerebrum. B) Cerebellum. C) Midbrain. D) Cerebral cortex. Show Answer Correct Answer: B) Cerebellum. ← 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