This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 664 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 664 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which part of the peripheral nervous system is controlled by you? A) Automatic. B) Somatic. C) Conscious . D) None of above. Show Answer Correct Answer: B) Somatic. 2. In a cholinergic synapse, calcium ions (Ca2+) are involved in the transmission of nerve impulses by: A) Generating an action potential of +40mv in the postsynaptic knob. B) Depolarizing the presynaptic knob by entering the neurone. C) Restoring the resting potential of the neurone by leaving the cell. D) Triggering the release of neurotransmitter from the synaptic vesicles. Show Answer Correct Answer: D) Triggering the release of neurotransmitter from the synaptic vesicles. 3. An excitable cell is one that can A) Change its membrane potential. B) Separate its charge. C) Use active transport. D) Have different moods. Show Answer Correct Answer: A) Change its membrane potential. 4. Which of the following is the correct sequence of the neural chain of events set in motion by an environmental stimulus? A) Receptors, sensory neurons, interneurons, motor neurons, effectors (target cells). B) Receptors, motor neurons, interneurons, sensory neurons, effectors. C) Interneurons, effector, receptor, motor neuron, sensory neurons. D) Effectors, interneurons, receptors, sensory neurons, motor neurons. Show Answer Correct Answer: A) Receptors, sensory neurons, interneurons, motor neurons, effectors (target cells). 5. Which region of the ear contains the ear drum? A) Outer. B) Middle. C) Inner. D) None of above. Show Answer Correct Answer: B) Middle. 6. What is the area of the brain that controls everything conscious and higher thinking? A) Cerebellum. B) Cerebrum. C) Diencephalon. D) Brain Stem. Show Answer Correct Answer: B) Cerebrum. 7. Which imaging method involves the use of radioactive isotopes? A) X-Ray. B) MRI. C) EEG. D) PET. Show Answer Correct Answer: D) PET. 8. A patient has abnormal results for his nerve conduction velocity test and electromyography (EMG) tests. Where would you look determine the cause of their problems? A) Nerves. B) Spinal cord. C) Brain. D) None of above. Show Answer Correct Answer: A) Nerves. 9. A depolarized membrane allows sodium (Na+) to flow: A) In. B) Out. Show Answer Correct Answer: A) In. 10. What system of the body is most important to protecting the brain? A) Muscular system. B) Digestive system. C) Skeletal system. D) Circulatory system. Show Answer Correct Answer: C) Skeletal system. 11. What part of the brain involves thoughts, voluntary actions, and responses to the five senses? A) Cerebrum. B) Cerebellum. C) Brain Stem. D) Occipital Lobe. Show Answer Correct Answer: A) Cerebrum. 12. ..... collects the sound waves and sends them through the eardrum present in the middle ear. A) Outer ear. B) Middle ear. C) Inner ear. D) None of above. Show Answer Correct Answer: A) Outer ear. 13. Photoreceptors are found in your A) Eyes. B) Ears. C) Nose. D) Mouth. E) Skin. Show Answer Correct Answer: A) Eyes. 14. Which two parts make up the Central Nervous System (CNS)? A) Brain and heart. B) Spinal cord and peripheral nerves. C) Brain and spinal cord. D) Peripheral nerves and cranial nerves. Show Answer Correct Answer: C) Brain and spinal cord. 15. What is the threshold for an action potential to occur? A) -90 mV. B) -70 mV. C) -55 mV. D) +40 mV. Show Answer Correct Answer: C) -55 mV. 16. Receives neurotransmitter from previous neuron, neurotransmitter must fit (like a puzzle piece) in order for message to be delivered. A) Dendrite. B) Nucleus. C) Axon. D) Myelin Sheath. Show Answer Correct Answer: A) Dendrite. 17. What is the name of cells that support neurons? A) Neurons. B) Axons. C) Dendrites. D) Neuroglia. Show Answer Correct Answer: D) Neuroglia. 18. Which of the following is true regarding the transmission of nervous impulses fromone neuron to the next? A) All neurotransmitters are inhibitory. B) Neurotransmitters cannot be reabsorbed. C) The axon of one neuron touches the dendrite of the next. D) Chemical messages are carried across a space between neurons. Show Answer Correct Answer: D) Chemical messages are carried across a space between neurons. 19. What part of the nervous system sends signals to the muscles that are voluntarily controlled? A) The autonomic nervous system. B) The somatic nervous system. Show Answer Correct Answer: B) The somatic nervous system. 20. Your "rest and digest" response is controlled by the ..... nervous system A) Peripheral. B) Motor. C) Parasympathetic. D) Sympathetic. Show Answer Correct Answer: C) Parasympathetic. ← 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