This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 421 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 421 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The ossicles are the A) Tympanic membrane. B) Ear drum. C) Hammer, stirrup, and anvil. D) Hairs inside the cochlea. Show Answer Correct Answer: C) Hammer, stirrup, and anvil. 2. Directs sound vibrations. A) Cochlea. B) Eustachian Tube. C) Hammer, Anvil, Staples. D) External Auditory Canal. Show Answer Correct Answer: D) External Auditory Canal. 3. The somatic nervous system controls ..... A) External actions of skin and muscles. B) Brain and spinal cord. C) Internal activities of organs and glands. D) None of these. Show Answer Correct Answer: A) External actions of skin and muscles. 4. AKA a headache A) Hydrocephalus. B) Cephalalgia. C) Dementia. D) Concussion. Show Answer Correct Answer: B) Cephalalgia. 5. The ..... controls involuntary vital processes, such as breathing, digestion, and the pumping of your heart. A) Brainstem. B) Cerebrum. C) Cerebellum. D) None of above. Show Answer Correct Answer: A) Brainstem. 6. Which of the following bodily actions is controlled by the autonomic nervous system? A) Blinking. B) Walking. C) Chewing your food. D) High fives. Show Answer Correct Answer: A) Blinking. 7. Action potentials move along axons A) More rapidly in myelinated than in non-myelinated axons. B) By reversing the concentration gradients for sodium and potassium ions. C) More slowly in axons of large than in small diameter. D) By the direct action of acetylcholine on the axonal membrane. Show Answer Correct Answer: A) More rapidly in myelinated than in non-myelinated axons. 8. Peripheral nervous systemconsist of the nerves A) Yes. B) No. Show Answer Correct Answer: A) Yes. 9. Neurons with several processes branching off the cell body, such as motor neurons and interneurons (association neurons), are structurally classified as ..... A) They will bring. B) Multipolar. C) Afferent. D) Bipolar. Show Answer Correct Answer: B) Multipolar. 10. A disease marked by muscular weakness and atrophy with involuntary contractions and excessive reflexes caused by degeneration of motor neurons in the spinal cord and in the brains medulla and cortex. A) AD. B) IF. C) ADHD. D) CP. Show Answer Correct Answer: B) IF. 11. Contains a Vasomotor Center that controls smooth muscles in blood vessel walls to regulate blood pressure. A) Cerebellum. B) Cerebrum. C) Pons. D) Spinal cord elongated. E) Brain Stem. Show Answer Correct Answer: D) Spinal cord elongated. 12. What does the PNS stand for? A) Peripheral Nervous System. B) Central Nervous System. Show Answer Correct Answer: A) Peripheral Nervous System. 13. During repolarization, what ion does what? A) Potassium enter. B) Potassium leaves. C) Sodium enters. D) Potassium leaves. Show Answer Correct Answer: B) Potassium leaves. 14. What are the ridges of the brain called? A) Sulcus. B) Gyrus. C) Fissure. D) Nucleus. Show Answer Correct Answer: B) Gyrus. 15. What is the most evolved part of the brain? A) Amygdala. B) Prefrontal Cortex. C) Hippocampus. D) Sympathetic nervous system. Show Answer Correct Answer: B) Prefrontal Cortex. 16. It is responsible for actions that a person can control such as skeletal muscles and sensory neurons of the skin. A) Somatic Nervous System. B) Autonomic Nervous System. Show Answer Correct Answer: A) Somatic Nervous System. 17. The dark circle in the middle of the iris A) Aqueous humor. B) Anterior chamber. C) Sclera. D) Pupil. Show Answer Correct Answer: D) Pupil. 18. Which lobe of the brain is responsible for auditory stimuli? A) Frontal. B) Parietal. C) Occipital. D) Temporal. Show Answer Correct Answer: D) Temporal. 19. Which body system is the following statement true for? "It controls the body using an instant, short-lived method." A) Nervous System. B) Endocrine System. Show Answer Correct Answer: A) Nervous System. 20. Which part of the brain is involved in vision? A) Temporal Lobe. B) Frontal Lobe. C) Occipital Lobe. D) Parietal Lobe. Show Answer Correct Answer: C) Occipital Lobe. ← 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