This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 94 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 94 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Constipation A) Constipation. B) Upper abdomen. C) Diarrhea. D) None of above. Show Answer Correct Answer: A) Constipation. 2. What does the neuron's Cell Body do? A) Controls the actions of the neuron. B) Produces food for the neuron. C) Carries information from the cell body to other neuronsThis is a wrong answer. D) Controls speed of electrical signal through the axon. Show Answer Correct Answer: B) Produces food for the neuron. 3. During the transmission of an action potential across a synapse, Ca2+ channels open e triggering the synaptic vesicles to release ..... to pass the signal to the postsynaptic neuron. A) Na+. B) Action potentials. C) Receptors. D) Neurotransmitters. Show Answer Correct Answer: D) Neurotransmitters. 4. The dendrites of a neuron ..... A) Contains the nucleus and other organelles. B) Receive signals or respond to stimuli. C) Allow for the transmission/propagation of an action potential. D) Allow for the secretion of neurotransmitters to target cells. Show Answer Correct Answer: B) Receive signals or respond to stimuli. 5. The brain stem structure that controls breathing and heart rate A) Amygdala. B) Thalamus. C) Pons. D) Medulla. Show Answer Correct Answer: D) Medulla. 6. Resting membrane A) Nerve cells that are activated by sensory input from the environment. B) Cells in the brain and spinal cord that allow us to move, speak, swallow and breathe by sending commands from the brain to the muscles that carry out these function. C) Nerve cells that only participate in the local aspects of a circuit. D) The electrical potential difference across the plasma membrane when the cell is in a non-excited state. Show Answer Correct Answer: D) The electrical potential difference across the plasma membrane when the cell is in a non-excited state. 7. The part of the neuron that carries impulses AWAY from the neuron cell body A) Axon. B) Dendrites. C) Nodes of Ranvier. D) Myelin sheath. Show Answer Correct Answer: A) Axon. 8. Membrane lining at the back of the eye that contains rods and cones: A) Iris. B) Lens. C) Retina. D) Optic nerve. Show Answer Correct Answer: C) Retina. 9. How do glial cells contribute to the rarity of true regeneration of neurons in the CNS? A) They release inhibitory factors that prohibit cell division. B) They attach to the injured neuron and signal apoptosis. C) They proliferate to fill space and block regrowth. D) They do not contribute to the rarity of true regeneration in the CNS. Show Answer Correct Answer: C) They proliferate to fill space and block regrowth. 10. Which of the following describes one thing that happens in the spinal cord during a reflex arc? A) The stimulus causes a sensory neuron to generate a nerve impulse. B) The nerve impulse carries a signal to be directly sent to a sensory neuron. C) The motor neuron causes a contraction in the muscle. D) Interneurons relay the message to motor neurons. Show Answer Correct Answer: D) Interneurons relay the message to motor neurons. 11. Speed of light in air is: A) 5100 m s-1. B) 3*108m s-1. C) 330 m s-1. D) 3*1010 m s-1. Show Answer Correct Answer: B) 3*108m s-1. 12. Autonomic Nervous System A) Controls involuntary functions. B) Controls voluntary Functions. C) Responsible for executive function. D) Creates consciousness. Show Answer Correct Answer: A) Controls involuntary functions. 13. What do Schwann Cells do? A) Intakes information from other neurons. B) Produces fatty tissue for the Myelin Sheath. C) Sends information to the next cell. D) Controls the speed of electrical signal through the axon. Show Answer Correct Answer: B) Produces fatty tissue for the Myelin Sheath. 14. A special neuron that picks up a stimulus from the internal or external environment, and converts it into a message. A) Sensory Neuron. B) Motor Neuron. C) Neuron. D) Neurotransmitter. Show Answer Correct Answer: A) Sensory Neuron. 15. Conducts impulses to the muscles of the shoulders A) Vagus. B) Accessory. C) Glossopharyngeal. D) Abducting. Show Answer Correct Answer: B) Accessory. 16. This part of the brain is also called the brain stem. A) Spinal cord. B) Vertebral column. C) Medulla. D) All of these. Show Answer Correct Answer: C) Medulla. 17. Integrative functions means that the nervous system ..... A) Initiates a movement in the muscles to move away from a painful stimulus. B) Has received a sensory impulse that a painful stimulus is hurting the body, and now has to formulate of a response to help the body move. C) Is receiving an impulse that the body is experiencing pain. D) None of above. Show Answer Correct Answer: B) Has received a sensory impulse that a painful stimulus is hurting the body, and now has to formulate of a response to help the body move. 18. These are uniformly positioned, deep grooves in the brain. A) Fissures. B) Pons. C) Lobes. D) Meninges. Show Answer Correct Answer: A) Fissures. 19. The ..... lobe is concerned with sensory perception such as pain, touch, temperature, and limb perception. A) Occipital. B) Temporal. C) Frontal. D) Parietal. Show Answer Correct Answer: D) Parietal. 20. Combining form that means nervous sensation A) Esthes/o, esthesi/o. B) Hydr/o. C) Summoned him/her. D) Thec/o. Show Answer Correct Answer: A) Esthes/o, esthesi/o. ← 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