This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 17 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Cone-like region of the cell body where the axon arises from A) Epithalamus. B) Axon hillock. C) Neurilemma. D) Frontal lobe. Show Answer Correct Answer: B) Axon hillock. 2. What is the sensory organ that we use to smell? A) Tongue. B) Skin. C) Nose. D) Eyes. Show Answer Correct Answer: C) Nose. 3. What kind of neuron carries information from our eyes to our brain? A) Motor neuron. B) Sensory neuron. C) Nerve. D) Spinal neuron. Show Answer Correct Answer: B) Sensory neuron. 4. The somatic subdivision of the PNS is mostly A) Voluntary. B) Involuntary. Show Answer Correct Answer: A) Voluntary. 5. What is the brain protected by? A) Axon. B) Skull. C) Cerebellum. D) Spinal fluid. Show Answer Correct Answer: B) Skull. 6. What type of neuron is the olfactory cell? A) Multipolar. B) Unipolar. C) Bipolar. D) Tripolar. Show Answer Correct Answer: C) Bipolar. 7. Responsible for heart rate, body temperature, and blood pressure A) Medulla olongata. B) Midbrain. C) Thalamus. D) Pons. Show Answer Correct Answer: A) Medulla olongata. 8. A nerve impulse is conducted rapidly along a myelinated nerve fiber by A) Saltatory conduction. B) Nervous transmission. C) Repolarization. D) Electrical conduction. Show Answer Correct Answer: A) Saltatory conduction. 9. Which lobe of the brain controls visual processing? A) Parietal. B) Frontal. C) Occipital. D) Temporal. Show Answer Correct Answer: C) Occipital. 10. At which voltage do potassium channels open? A) -70 mV. B) -55 mV. C) +40 mV. D) -90 mV. Show Answer Correct Answer: C) +40 mV. 11. A nerve cell is turned on completely or not at all. This is known as A) The all-or-none principle. B) Saltatory conduction. C) Continuous conduction. D) Temporal summation. Show Answer Correct Answer: A) The all-or-none principle. 12. A multicellular animal which lacks nervous system. A) Reptiles. B) Birds. C) Sponges. D) Fish. Show Answer Correct Answer: C) Sponges. 13. Action potentials are conducted more rapidly: A) Along myelinated axons. B) Along unmyelinated axons. C) In dendrites of a large diameter. D) In dendrites of a small diameter. Show Answer Correct Answer: A) Along myelinated axons. 14. The main organ in the nervous system. It controls your thoughts, movements, and senses. A) Cerebrum. B) Cerebellum. C) Brain stem. D) Brain. Show Answer Correct Answer: D) Brain. 15. What type of nerve fibers carry information from the skin, skeletal muscles, and joints to the central nervous system? A) Motor (efferent) fibers. B) Visceral sensory (afferent) fibers. C) Somatic sensory (afferent) fibers. D) Autonomic (involuntary) fibers. Show Answer Correct Answer: C) Somatic sensory (afferent) fibers. 16. Which part of the brainstem is responsible for the coordination of head, eye, and trunk movements in response to both visual and auditory stimuli? A) Cerebellum. B) Pons. C) Midbrain. D) Spinal cord elongated. Show Answer Correct Answer: C) Midbrain. 17. It serves as the main processing center for the entire nervous system. A) Autonomic Nervous system. B) Central Nervous system. C) Peripheral Nervous system. D) Somatic Nervous system. Show Answer Correct Answer: B) Central Nervous system. 18. The meninge closest to the brain is the A) Dura mater. B) Pia mater. C) Arachnoid meninges. D) Denticulate ligament. Show Answer Correct Answer: B) Pia mater. 19. What part of the nervous system receives and sends messages between the brain and the body? A) Nerves. B) Hands. C) The 5 senses. D) None of above. Show Answer Correct Answer: A) Nerves. 20. Trochlear Nerve A) II. B) IV. C) V. D) VIII. Show Answer Correct Answer: B) IV. ← 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