This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 646 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 646 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A ..... neuron sends impulses to glands and muscles to tell muscles to move A) Inter. B) Motor. C) Sensory. D) Impulse. Show Answer Correct Answer: B) Motor. 2. This is a nerve pathway that bypasses the brain to make a quick, unconscious response to a stimulus or dangerous situation. A) Node. B) Motor neuron. C) Reflex arc. D) Conclusion. Show Answer Correct Answer: C) Reflex arc. 3. What is A? A) Dendrites. B) Cell Body/Soma. C) Axon. D) Axon Terminals. Show Answer Correct Answer: A) Dendrites. 4. What sense organ are the semi-circular canals part of? A) Eyes. B) Ears. C) Nose. D) Skin. Show Answer Correct Answer: B) Ears. 5. What is a change or signal in the environment that an organism can recognize and react to? A) Axon. B) Response. C) Conclusion. D) Stimulus. Show Answer Correct Answer: D) Stimulus. 6. What has receptor cells that detect cold, heat, pressure and pain? A) Taste buds. B) Skin. C) Cochlea. D) Optic nerve. Show Answer Correct Answer: B) Skin. 7. Sense organs get information from the ..... A) Environment. B) Computer. C) Spinal cord. D) None of above. Show Answer Correct Answer: A) Environment. 8. Activation of the parasympathetic nervous system results in which of the following? A) An increase in pupil dilation. B) An increase in respiratory rate. C) A decrease in digestion. D) A decrease in salivation. E) A decrease in heart rate. Show Answer Correct Answer: E) A decrease in heart rate. 9. What is the simple model of the nervous system that responds to a stimulus? A) Reflex arc model. B) Stimulus-response model. C) Sensory-motor model. D) Cognitive model. Show Answer Correct Answer: B) Stimulus-response model. 10. If the tiny cell body is destroyed, it ..... be repaired A) Can. B) Can't. Show Answer Correct Answer: B) Can't. 11. Lobes on the side of the cerebrum. A) Frontal lobe. B) Parietal lobe. C) Occipital lobe. D) Temporal lobe. Show Answer Correct Answer: D) Temporal lobe. 12. Known as trigeminal neuralgia A) "pill-rolling" movements. B) Painful tic. C) Bell's palsy. D) Stroke. Show Answer Correct Answer: B) Painful tic. 13. What does the cerebrum enable us to do? A) Controls memory, intelligence, muscles. B) Controls involuntary activities such as breathing. C) Controls balance, posture and coordination. D) None of above. Show Answer Correct Answer: A) Controls memory, intelligence, muscles. 14. A 78-year-old man is found on the ground unconscious one morning and taken to the emergency room of E-Da hospital. After regaining consciousness he is unable to move his right hand or leg. Which of the regions shown in the illustration was most likely directly affected by the stroke? A) A. B) B. C) C. D) D. Show Answer Correct Answer: A) A. 15. What is the function of the external ear? A) To produce earwax. B) To catch sound waves and pass them deeper into the ear through the auditory canal. C) To balance the pressure in the ear. D) To process sound waves into electrical signals. Show Answer Correct Answer: B) To catch sound waves and pass them deeper into the ear through the auditory canal. 16. Lnterneurons connect A) Efferent neurons to motor neurons. B) Afferent neurons to sensory neurons. C) Central neurons to afferent neurons. D) Sensory neurons to motor neurons. Show Answer Correct Answer: D) Sensory neurons to motor neurons. 17. The band of nerve cells that connects the two cerebral hemispheres A) Motor cortex. B) Somatosensory cortex. C) Callous body. D) Medulla. Show Answer Correct Answer: C) Callous body. 18. Brain Stem Functions A) Breathing, heart rat, internal organs. B) Voluntary movement, expressive language, and managing higher level executive functions. C) Processes auditory info and encodes memory. D) Swallowing, coughing, sneezing, and vomiting. Show Answer Correct Answer: D) Swallowing, coughing, sneezing, and vomiting. 19. This branch of the nervous system controls all of your involuntary actions A) ANS. B) CNS. C) PNS. D) SNS. Show Answer Correct Answer: A) ANS. 20. In the absence of nodes of Ranvier along a myelinated axon, ..... A) Signal conduction will be faster along the axon. B) Saltatory conduction can still occur. C) Signal conduction to synaptic terminals might not occur. D) Electrical signals will not be unidirectional. Show Answer Correct Answer: C) Signal conduction to synaptic terminals might not occur. ← 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