This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 424 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 424 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An axon is considered polarized because ..... A) It is positively charged on the outside and negatively charged on the inside. B) It has the same number of Na+ on the inside and the outside. C) It has all negative charges on the inside and outside. D) No answer is correct. Show Answer Correct Answer: A) It is positively charged on the outside and negatively charged on the inside. 2. Neurons that send information from the environment to the brain are called ..... A) Sensory Neurons. B) Motor Neurons. C) Interneurons. D) None of above. Show Answer Correct Answer: A) Sensory Neurons. 3. The Nervous System is responsible for controlling and coordinating all body functions A) True. B) False. C) Sometimes. D) Not applicable. Show Answer Correct Answer: A) True. 4. Group of nerve fibers that carries nerve impulses downward from the brain through the spinal cord A) Descending tract. B) Ascending tract. C) Plexus. D) Somatic nervous system. Show Answer Correct Answer: A) Descending tract. 5. Which part of the brain controls the balance and posture of our body A) Cerebrum. B) Cerebellum. C) Medulla. D) None of these. Show Answer Correct Answer: B) Cerebellum. 6. An average healthy brain weighs ..... pounds. A) 5. B) 4. C) 2. D) 3. Show Answer Correct Answer: D) 3. 7. Pulls on the lens to change its shape to help focus from near to far distances. A) Cornea. B) Cone Cell. C) Rod Cell. D) Ciliary Body. Show Answer Correct Answer: D) Ciliary Body. 8. Chemicals that assist in passing a signal through the synapse A) Neurotransmitter. B) Axon. C) Nerves. D) Dendrites. Show Answer Correct Answer: A) Neurotransmitter. 9. The part of the neuron that brings information to the cell body A) Dendrite. B) Axon. C) Nucleus. D) None of above. Show Answer Correct Answer: A) Dendrite. 10. Sensory information can be classified as sight touch, hearing, smell, or taste. What category does this belong in:diffusion of cookies baking A) Sight. B) Touch. C) Hearing. D) Smell. E) Taste. Show Answer Correct Answer: D) Smell. 11. Both somatic nervous system and autonomic nervous system has ..... and ..... nerves. A) Afferent, Efferent. B) Apparent, Effective. C) Applied, Enlarged. D) Affect, Effect. Show Answer Correct Answer: A) Afferent, Efferent. 12. ..... is to raw egg white as ..... is to raw egg yolk. A) Protoplasm; nucleus. B) Nucleus; cytoplasm. Show Answer Correct Answer: A) Protoplasm; nucleus. 13. How do nerve impulses move from one neuron to another? A) Chemically. B) Electrically. C) Ionically. D) Electronically. Show Answer Correct Answer: A) Chemically. 14. Neuroarthropathy A) Disease of nerves and joints. B) Eating disorder characterized by uncontrolled binge eating followed by purging. C) Cognitive impairment characterized by loss of intellectual brain function. D) Slight paralysis of half of the body. Show Answer Correct Answer: A) Disease of nerves and joints. 15. Responsible for blood-brain barrier to protect against blood borne infections. A) Astrocytes. B) Oligodendrocytes. C) Microglia. D) Ependymal cells. Show Answer Correct Answer: A) Astrocytes. 16. What type of neuron connects sensory and motor neurons in neural pathways? A) Interneurons (association neurons). B) Afferent neurons. C) Efferent neurons. D) Bipolar neurons. Show Answer Correct Answer: A) Interneurons (association neurons). 17. Which part of the brain is responsible for Auditory, memory and olfactory senses? A) Occipital Lobe. B) Frontal Lobe. C) Temporal Lobe. D) Parietal Lobe. Show Answer Correct Answer: C) Temporal Lobe. 18. This connects the two cerebral hemispheres A) Thalamus. B) Callous body. C) Medulla. D) Limbic system. Show Answer Correct Answer: B) Callous body. 19. What does Serotonin do? A) Increases your heart rate. B) Increases motivation and pleasure. C) Calms you down. D) Makes you angry. Show Answer Correct Answer: C) Calms you down. 20. Which statement most accurately describes the function of the nervous system? A) Control over human thoughts. B) Controls the functioning of the nervous system. C) Controls the work of blood supply to various parts. D) It controls and sends sensations to every organ in the body. Show Answer Correct Answer: D) It controls and sends sensations to every organ in the body. ← 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