This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 379 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 379 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What happens to the heart rate and stroke volume in the parasympathetic system? A) Heart rate decreases, stroke volume decreases. B) Heart rate increases, stroke volume increases. C) Heart rate decreases, stroke volume increases. D) Heart rate increases, stroke volume decreases. Show Answer Correct Answer: A) Heart rate decreases, stroke volume decreases. 2. What receptor indicates change in body positions? (Hint:helps us with balance.) A) Geogravity receptors. B) Proprioceptors. C) Chemoreceptors. D) Photoreceptors. Show Answer Correct Answer: B) Proprioceptors. 3. What is the length of the spinal cord A) 36 CM. B) 45 cm. C) 50 cm. D) 20 CM. Show Answer Correct Answer: B) 45 cm. 4. This is the largest part of the brain, consisting of the left and right hemispheres. A) Cerebrum. B) Cerebellum. C) Fissures. D) Diencephalon. Show Answer Correct Answer: A) Cerebrum. 5. Both plant AND animal cells have ..... A) Cell membrane, cell wall, nucleus. B) Cell membrane, cytoplasm, nucleus. C) Cell membrane, chloroplast and nucleus. D) Cell wall, vacuole, nucleus. Show Answer Correct Answer: B) Cell membrane, cytoplasm, nucleus. 6. Hormones are: A) Chemical messengers that are produced by the endocrine glands. B) Enzymes that break down food in the digestive system. C) Cells that produce energy for the body. D) Proteins that make up the skeletal system. Show Answer Correct Answer: A) Chemical messengers that are produced by the endocrine glands. 7. Which organ is part of the nervous system? A) Heart. B) Stomach. C) Brain. D) Liver. Show Answer Correct Answer: C) Brain. 8. The sensory division of the peripheral nervous system is also known as the ..... division. A) Afferent. B) They will bring it out. Show Answer Correct Answer: A) Afferent. 9. View the image and diagnose the person. A) Hypermetropia. B) Myopia. C) Color blind. D) None of above. Show Answer Correct Answer: A) Hypermetropia. 10. How does the cell maintain the negative concentration gradient during resting potential? A) By not allowing ions to pass through the membrane. B) By freely allowing ions to pass through the membrane. C) By letting potassium leak into the neuron. D) By pumping potassium into the cell while pumping sodium out. Show Answer Correct Answer: D) By pumping potassium into the cell while pumping sodium out. 11. Which of the following correctly describes the pathway of an impulse from stimulus to response (not involving a reflex)? A) Brain, spinal cord, motor neuron, spinal cord, sensory neuron. B) Motor neuron, spinal cord, brain, spinal cord, sensory neuron. C) Sensory neuron, spinal cord, brain, spinal cord, motor neuron. D) Sensory neuron, brain, motor neuron, spinal cord. E) Motor neuron, brain, sensory neuron, spinal cord. Show Answer Correct Answer: C) Sensory neuron, spinal cord, brain, spinal cord, motor neuron. 12. Flap tissue that keeps food and liquids from entering the respiratory system A) Epiglottis. B) Bronchi. C) Vocal cords. D) Trachea. Show Answer Correct Answer: A) Epiglottis. 13. Which of the following is not true regarding saltatory conduction (how the impulse travels when myelin is present). A) The nerve impulse jumps from node to node. B) It only occurs along myelinated neurons. C) It transmits action potential at a slower rate. D) It is important to maintaining homeostasis. Show Answer Correct Answer: C) It transmits action potential at a slower rate. 14. What is the basic function of the Nervous System? A) Control all body movement. B) Transmit information through electrical signals. C) Receive information through the senses. D) All of the other options. Show Answer Correct Answer: D) All of the other options. 15. This chemical is considered a neurotransmitter when released by a neuron into a synapse, and a hormone when released into the bloodstream: A) Norepinephrine. B) GABA. C) Serotonin. D) Epinephrine. Show Answer Correct Answer: A) Norepinephrine. 16. ..... is an example of automatic action controlled by spinal cord A) Kicking a ball. B) Singing. C) Sneezing. D) Walking. Show Answer Correct Answer: C) Sneezing. 17. What is the brainstem A) A relay station for nerve impulses. B) Controls senses. C) Part of the brain. D) None of above. Show Answer Correct Answer: A) A relay station for nerve impulses. 18. What would be an effect of the sympathetic nervous system? A) Your heart rate increases. B) Your blood pressure decreases. C) The rate of contraction of smooth muscle increases. D) The pupils in your eyes constrict. Show Answer Correct Answer: A) Your heart rate increases. 19. Reflex action is an automatic reaction to a, sudden stimulus A) False. B) True. Show Answer Correct Answer: B) True. 20. An infant is born with an incomplete blood-brain barrier. The glial cells that were most likely affected in development were the A) Microglia. B) Ependymal cells. C) Oligodendrocytes. D) Astrocytes. Show Answer Correct Answer: D) Astrocytes. ← 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