This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 1020 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 1020 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Controls lateral rectus eye muscles A) Optic. B) Oculomotor. C) Abducting. D) Vagus. Show Answer Correct Answer: C) Abducting. 2. Which of these is expected if the sympathetic nervous system is activated A) Blood flow to the digestive organs increases. B) Blood flow to skeletal muscles increases. C) Heart rate decreases. D) Glucose release from the liver decrease. E) Both a and b. Show Answer Correct Answer: B) Blood flow to skeletal muscles increases. 3. Neurotransmitters are released from the postsynaptic cleft and bind to the presynaptic neuron (T/F)? A) True. B) False. Show Answer Correct Answer: B) False. 4. This is showing what? A) Organ. B) Organ system. C) Tissue. D) None of above. Show Answer Correct Answer: B) Organ system. 5. The ..... controls involuntary actions. A) Brain. B) Brain stem. C) Cerebrum. D) Cerebellum. Show Answer Correct Answer: B) Brain stem. 6. Direction of nerve impulse A) Axon, cell body, dendrite. B) Cell body, axon, dendrite. C) Dendrite, axon, cell body. D) Dendrite, cell body, axon. Show Answer Correct Answer: D) Dendrite, cell body, axon. 7. What is the structure of the eye that allows light to pass through because it can dilate and contract? A) Crystalline. B) Iris. C) Retina. D) Vitreous humor. Show Answer Correct Answer: B) Iris. 8. Which structure in the inner ear is responsible for static equilibrium? A) Macula lutea. B) Cochlea. C) Semicircular canals. D) Vestibule. Show Answer Correct Answer: D) Vestibule. 9. We must go to a doctor if we have a earache. A) True. B) False. Show Answer Correct Answer: A) True. 10. Action Potential is A) Is the change in the membrane potential, which generally happens when a resting neuron is depolarize. B) Opens at certain membrane potentials and close at others. C) Little change in the membrane potential in a localized part of the cell. D) Only open when a specific neurotransmitter like serotonin or hormone latches on to it. Show Answer Correct Answer: A) Is the change in the membrane potential, which generally happens when a resting neuron is depolarize. 11. Which parts does the brainstem include? A) Medulla oblongata, midbrain, and pons. B) Cerebellum, midbrain, and pons. C) Medulla oblongata, cerebellum, and frontal lobe. D) Midbrain, pons, and occipital lobe. Show Answer Correct Answer: A) Medulla oblongata, midbrain, and pons. 12. Neuroglia that produce scar tissue in the brain and spinal cordbut also contribute to the blood-brain barrier are A) Schwann cells. B) Astrocytes. C) Oligodendrocytes. D) Microglia. Show Answer Correct Answer: B) Astrocytes. 13. ..... are the communicators of the nervous system A) Brain. B) Nucleus. C) Soma. D) Neurons. Show Answer Correct Answer: D) Neurons. 14. The lens of the eye can focus light to make sharp pictures. A) True. B) False. Show Answer Correct Answer: A) True. 15. Which one of the following describes saltatory conduction: A) Occurs only if the myelin sheath is continuous. B) Occurs only if the nodes of Ranvier are lacking. C) Occurs only in the absence of axon hillocks. D) Is faster than conduction on an unmyelinated fiber. E) ) is slower than conduction on an unmyelinated fiber. Show Answer Correct Answer: D) Is faster than conduction on an unmyelinated fiber. 16. Read the following and decide where it would fit in the overlapping functions: "duck under a branch" A) Sensory input. B) Integration. C) Motor output. D) None of above. Show Answer Correct Answer: B) Integration. 17. We have better smell than most mammals A) True. B) False. Show Answer Correct Answer: B) False. 18. This is a part of the limbic system and is involved with long term memories A) Hippocampus. B) Pons. C) Midbrain. D) Amygdala. Show Answer Correct Answer: A) Hippocampus. 19. Which is not one of the basic functions of the nervous system? A) Detecting a change/stimulus. B) Rapidly sending signals from one part to another. C) Determining a response. D) Producing major body fluids. Show Answer Correct Answer: D) Producing major body fluids. 20. Which type of cell forms the cerebrospinal fluid A) Ependymal. B) Neurolemmocyte. C) Oligodendrocyte. D) Astrocyte. Show Answer Correct Answer: A) Ependymal. ← 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