This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 5 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Depolarization is a..... in membrane potential A) Stabilization. B) Increase. C) Reduction. D) None of above. Show Answer Correct Answer: C) Reduction. 2. The cerebellum compares A) Shapes of objects. B) Planned movement to actual movement. C) Textures. D) The position of objects in space. Show Answer Correct Answer: B) Planned movement to actual movement. 3. Fight or flight A) Parasympathetic. B) Sympathetic. Show Answer Correct Answer: B) Sympathetic. 4. What is a cell body A) A structure that helps the cell move. B) Contains cytoplasm, mitochondria, lysosomes, microtubules, Golgi apparatus, and a nucleus. C) A part of the cell that produces energy. D) Transmits input and carries the input away from the cell body; usually one long fiber. Show Answer Correct Answer: B) Contains cytoplasm, mitochondria, lysosomes, microtubules, Golgi apparatus, and a nucleus. 5. Which disease is usually diagnosed between the ages of 1-5 and patients typically do not survive past age 20? A) Parkinson's. B) Meningitis. C) IF. D) Muscular Dystrophy. Show Answer Correct Answer: D) Muscular Dystrophy. 6. An adult human brain weighs about A) 1.4 kg. B) 1 ton. C) 100 grams. D) 1.4 ounces. Show Answer Correct Answer: A) 1.4 kg. 7. Chemicals released from vesicles at the axon terminal that diffuse across the synapse to carry the nerve impulse to the next cellreflex A) Cerebrum. B) Neurotransmitters. C) Gyri. D) None of above. Show Answer Correct Answer: B) Neurotransmitters. 8. What type of neuron is responsible for transmitting responses from the brain to the organs/limbs? A) Afferent Neuron. B) Interneuron. C) Motor Neuron. D) Sensory Neuron. Show Answer Correct Answer: C) Motor Neuron. 9. What type of glial cell secretes and circulates cerebrospinal fluid? A) Ependymal cell. B) Astrocytes. C) Oligodendrocytes. D) Microglia. Show Answer Correct Answer: A) Ependymal cell. 10. The largest part of the brain, the cerebrum has two hemispheres (or halves). The cerebrum controls voluntary movement, speech, intelligence, memory, emotion, and sensory processing. A) Cerebrum. B) Medulla. C) Spinal Cord. D) None of above. Show Answer Correct Answer: A) Cerebrum. 11. Medull/o A) Spinal cord elongated. B) Spinal Cord. C) Cerebrum. D) None of above. Show Answer Correct Answer: A) Spinal cord elongated. 12. The vertebral column is made up of how many bones A) 3. B) 33. C) 206. D) None of above. Show Answer Correct Answer: B) 33. 13. Meaning nerve root A) My. B) Encephal/o. C) Myel/o. D) The root. Show Answer Correct Answer: D) The root. 14. Functions:From the body's organs, glands and muscles to the CNS, including information from the outside world (such as environmental temperature and sensation on the skin, via sensory neurons) and from the inside world (such as aches and pains) * From the CNS to the body's organs, glands and muscles, via motor neurons. A) Central Nervous System. B) Peripheral Nervous System. C) Nerves. D) Sympathetic Nervous System. Show Answer Correct Answer: B) Peripheral Nervous System. 15. The body's ability to regulate its inner environment in response to changes in the outside environment is called ..... A) Phototropism. B) Homeostasis. C) Response. D) Warm. Show Answer Correct Answer: B) Homeostasis. 16. Do neurotransmitters bind to ligand-gated channels or voltage-gated channels? A) Voltage-gated channels. B) Ligand-gated channels. Show Answer Correct Answer: B) Ligand-gated channels. 17. ..... have dozens of dendrites but usually have only one axon A) Neurons. B) Cell body. C) Cytoplasm. D) Axon. Show Answer Correct Answer: A) Neurons. 18. What is the function of photoreceptors in the retina? A) To produce aqueous humor. B) To convert light energy into action potentials (APs). C) To control the size of the pupil. D) To protect the eye from ultraviolet light. Show Answer Correct Answer: B) To convert light energy into action potentials (APs). 19. Neurons that carry impulses away from the central nervous system to the muscles and glands are called ..... A) Sensory/afferent nerves. B) Motor/efferent nerves. C) Interneurons. D) None of the above. Show Answer Correct Answer: B) Motor/efferent nerves. 20. Susan was involved in a MVA (Motor Vehicle Accident) 3 days ago. She received numerous lacerations and trauma to her right shoulder and neck area. Her PROM for her right shoulder is WNL, but she is unable to actively abduct it. The PT suspects possible nerve damage. What nerve might be affected? A) Axillary nerve. B) Musculocutaneous nerve. C) Suprascapular nerve. D) Long thoracic nerve. Show Answer Correct Answer: A) Axillary nerve. ← PreviousNext →Related QuizzesScience QuizzesNervous System Quiz 1Nervous System Quiz 2Nervous System Quiz 3Nervous System Quiz 4Nervous System Quiz 6Nervous System Quiz 7Nervous System Quiz 8Nervous System Quiz 9Nervous System Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books