This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 956 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 956 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In which direction does the afferent pathway conduct impulses? A) From the brain to the spinal cord. B) From receptors to the brain/spinal cord. C) From the brain/spinal cord to the receptors. D) From the brain/spinal cord to the effectors. Show Answer Correct Answer: B) From receptors to the brain/spinal cord. 2. Which neurotransmitter is both excitatory and inhibitory and increases heart beat in the "Fight or Flight" response? A) Acetylcholine. B) Endorphins. C) Norepinephrine. D) Serotonin. Show Answer Correct Answer: C) Norepinephrine. 3. What gas do we exhale? A) Oxygen. B) Helium. C) Carbon dioxide. D) Hydrogen. Show Answer Correct Answer: C) Carbon dioxide. 4. The voltage difference between the inside (-) and the outside (+) of the neuron in the resting state is called ..... A) Neutral state. B) Active transport. C) Action potential. D) Resting membrane potential. Show Answer Correct Answer: D) Resting membrane potential. 5. When sound waves cause the tympanic membrane to vibrate, these vibrations are immediately passed on to the ..... A) Outer ear and ear canal. B) Inner ear. C) Tiny hairs. D) Three small bones in the middle ear. Show Answer Correct Answer: D) Three small bones in the middle ear. 6. These specialised groups of cells can detectchanges or stimuli in the environment. A) Reflex. B) Receptors. C) Effectors. D) Detectors. Show Answer Correct Answer: B) Receptors. 7. What direction do impulses flow? A) Information comes in through dendrites down the axon by myelin sheaths and then down to the axon terminals. B) Information comes in through axon terminals goes up the axon through myelin sheaths then down and out the dendrites. C) Comes in through both axons and dendrites crosses paths on the myelin sheaths. D) None of above. Show Answer Correct Answer: A) Information comes in through dendrites down the axon by myelin sheaths and then down to the axon terminals. 8. What are the organs that we find in our nervous system A) Brain. B) The spinal cord, cardiec. C) Brain, nerves, spinal cord. D) Eardrum. Show Answer Correct Answer: C) Brain, nerves, spinal cord. 9. PART OF THE BRAIN THAT CONTROLS FINE MOTOR SKILLS AND BALANCE A) CEREBELLUM. B) CEREBRUM. C) BRAIN STEM. D) NERVES. Show Answer Correct Answer: A) CEREBELLUM. 10. Which of the following is not a special characteristic of neurons? A) They have an exceptionally high metabolic rate. B) They are mitotic. C) They conduct impulses. D) They have extreme longevity. Show Answer Correct Answer: B) They are mitotic. 11. Transmit signals from the central nervous system to the muscles making them move A) Motor neurons. B) Sensory neurons. C) Interneurons. D) Brain. Show Answer Correct Answer: A) Motor neurons. 12. Activation of which part of the nervous system results in increased heart rate? A) Sympathetic. B) Parasympathetic. Show Answer Correct Answer: A) Sympathetic. 13. Which of the following is not a glial cell of the nervous system? A) Schwann cells. B) Neurons. C) Ependymal cells. D) Microglia. E) Satellite cells. Show Answer Correct Answer: B) Neurons. 14. This type of blood vessel is the most abundant blood vessel in the body. A) Artery. B) Vein. C) Capillary. D) Atrium. Show Answer Correct Answer: C) Capillary. 15. The major role of the interneuron (association neuron) is to ..... A) Carry information from the central nervous system to muscles and/or the viscera. B) Form a lipid-protein (lipoprotein) cell membrane on the outside of axons. C) Transmit nerve impulses from the skin and organs to the central nervous system. D) Connect motor and sensory neurons in their pathways. Show Answer Correct Answer: D) Connect motor and sensory neurons in their pathways. 16. Carries action potentials to the CNS A) Afferent neuron. B) Association neuron. C) Effector organ. D) Sensory receptor. E) Efferent neuron. Show Answer Correct Answer: A) Afferent neuron. 17. When we touch a hot object, we say "ouch" as our hand moves away from the hot object. Which branch of the peripheral nervous system was responsible? A) Somatic Nervous System. B) Autonomic Nervous System. Show Answer Correct Answer: A) Somatic Nervous System. 18. The main division of the nervous system contains all nerves, not in the brain or spinal cord. Composed of sensory and motor neurons A) Central nervous system. B) Peripheral nervous system. C) Reflex arc. D) None of above. Show Answer Correct Answer: B) Peripheral nervous system. 19. Astrocytes are: A) Cells which provide support to axons by providing myelin sheath. B) Cells which help to regulate the neurons chemical environment. C) Star-shaped cells that maintain a neurons working environment. D) Cells that run around neurons in the sensory, sympathetic and parasympathetic ganglia. Show Answer Correct Answer: C) Star-shaped cells that maintain a neurons working environment. 20. Region of the cerebrum responsible for processing visual information: A) Hypothalamus. B) Occipital lobe. C) Mammillary body. D) Parietal lobe. Show Answer Correct Answer: B) Occipital lobe. ← 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