This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 891 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 891 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How do impulses travel across a synapse? A) Chemicals diffuse across. B) Electrical impulses pass across. Show Answer Correct Answer: A) Chemicals diffuse across. 2. Dendrites do what? A) Receive messages (listen). B) Send messages (speak). Show Answer Correct Answer: A) Receive messages (listen). 3. Which part of the brain is the relay center and directs sensory impulses to the cerebrum. It also controls conscious recognition of pain and temperature. A) Hippocampus. B) Hypothalamus. C) Olfactory bulb. D) Thalamus. Show Answer Correct Answer: D) Thalamus. 4. The spinal cord is the extension of the brain A) True. B) False. Show Answer Correct Answer: A) True. 5. Sensory impulses travel to the brain is known as? A) Ascending. B) Descending. C) Motor. D) All the above. Show Answer Correct Answer: A) Ascending. 6. The cerebellum is the center for balance, coordination, and posture. Allows for smooth, efficient, and coordinated movements. A) True. B) False. Show Answer Correct Answer: A) True. 7. Chemicals used by a neuron to transmit an impulse to another cell A) Neurotransmitter. B) Conclusion. C) Meninges. D) Cerebrum. Show Answer Correct Answer: A) Neurotransmitter. 8. The long bundle of nervous tissue that runs down our back is called the ..... A) Spinal cord. B) Spine. C) Central nerve. D) Signal cord. Show Answer Correct Answer: A) Spinal cord. 9. The causes of depression include genetic and psychosocial ..... A) Stressors. B) Inhibitors. C) Constraints. D) Impediments. Show Answer Correct Answer: A) Stressors. 10. If the stimulus is strong enough and the influx of sodium ions is great enough the depolarization activates a nerve impulse known as- A) Depolarization. B) Action potential. C) Neurotransmission. D) Nerve pressure. Show Answer Correct Answer: B) Action potential. 11. What are the types of variables A) Independent, Dependent, Controlled, Extraneous. B) Dependent, Controlled, Short, Long. C) Tangible, Intangible. D) Uncontrolled, Controlled, Constant, Free. Show Answer Correct Answer: A) Independent, Dependent, Controlled, Extraneous. 12. Inside a neuron, electrical impulses travel A) From the dendrites to axon. B) From the axon to dendrites. C) From the axon terminals to dendrites. D) From the nucleus to dendrites. Show Answer Correct Answer: A) From the dendrites to axon. 13. Responsible for receiving/interpreting body sensations and proprioception: A) Frontal lobe. B) Parietal lobe. C) Temporal lobe. D) Occipital lobe. Show Answer Correct Answer: B) Parietal lobe. 14. Nerve cells that carry a response A) Neurons. B) Motor cells. Show Answer Correct Answer: B) Motor cells. 15. Salivary glands increase secretion A) Sympathetic nervous system. B) Parasympathetic nervous system. Show Answer Correct Answer: B) Parasympathetic nervous system. 16. Which of the following is the correct definition of Olfactory Fatigue? A) The inability to smell a particular odor after a prolonged exposure to those odor molecules. B) A subjective feeling of tiredness in the brain. C) An ancient furniture manufacturing facility in Fatigue, Sweden. D) The process the body goes through to taste food. Show Answer Correct Answer: A) The inability to smell a particular odor after a prolonged exposure to those odor molecules. 17. WHAT IS THE ORGAN WE USE TO TASTE? A) TONGUE. B) NOSE. C) EARS. D) None of above. Show Answer Correct Answer: A) TONGUE. 18. What 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. D) The nerve impulse carries a signal to be directly sent to a motor neuron. Show Answer Correct Answer: D) The nerve impulse carries a signal to be directly sent to a motor neuron. 19. Which group of animals have dorsal and ventral nerves not joining but running independently to their destinations? A) Lampreys. B) Amphioxus. C) Hagfishes. D) Teleosts. Show Answer Correct Answer: A) Lampreys. 20. What happened to the woman in the video? A) She had a heart attack. B) She had a stroke. C) She fainted. D) She had a panic attack. Show Answer Correct Answer: B) She had a stroke. ← 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