This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 456 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 456 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is the effect of sympathetic activation in a target organ? A) Dilation of the blood vessels in skeletal muscle. B) Decreased heart rate. C) Increased gastrointestinal secretions. D) Contraction of the bladder wall. Show Answer Correct Answer: A) Dilation of the blood vessels in skeletal muscle. 2. Marrow A) Contains blood vessels and fat cells. B) Contains ants in their pants. C) Contains atoms and Adams. D) The nervous system. Show Answer Correct Answer: A) Contains blood vessels and fat cells. 3. These are fibers that receive messages from other neurons A) Cell Body. B) Neurons. C) Axons. D) Dendrites. Show Answer Correct Answer: D) Dendrites. 4. Imagine Daniel, Noah, and Liam are on a thrilling adventure in a dense forest. Suddenly, they notice something unusual. What could that 'something' be referred to in scientific terms? A) Any change or signal in the environment that can make an organism react. B) Cells that carry information through the nervous system. C) Message that carries neurons. D) Money from the government. Show Answer Correct Answer: A) Any change or signal in the environment that can make an organism react. 5. Which of the following is TRUE of reflexes? A) They do not involve thought. B) They can be simple or complex. C) They help maintain homeostasis. D) All options are true. Show Answer Correct Answer: D) All options are true. 6. The Central Nervous System is ..... system. A) Control, regulatory and Communicating. B) Drive. C) Run. D) Jump. Show Answer Correct Answer: A) Control, regulatory and Communicating. 7. Which one below is the function of the Nervous system? A) It receives signals or stimuli from inside and outside of our body. B) Absorbs nutrients to be transported to the bloodstream. C) It protects the internal organs. D) It helps in production of Vitamin D. Show Answer Correct Answer: A) It receives signals or stimuli from inside and outside of our body. 8. Skull A) Cephal/o. B) Hypn/o. C) Skulls. D) Turn. Show Answer Correct Answer: C) Skulls. 9. In humans, the central nervous system (CNS) is divided into the ..... and ..... A) Sympathetic, Parasympathetic. B) Autonomic, Somatic nervous system. C) Central nervous system, Pheripheral nervous system. D) Brain, Spinal cord . Show Answer Correct Answer: D) Brain, Spinal cord . 10. Plays a role in the regulation of body temperature, water balance, and metabolism A) Hypothalamus. B) Epithelium. C) Thalamus. D) None of above. Show Answer Correct Answer: A) Hypothalamus. 11. Which of the following senses detects and recognizes chemicals that dissolve in liquids? A) Taste. B) Smell. C) Neither smell nor taste. D) Both smell and taste. Show Answer Correct Answer: D) Both smell and taste. 12. The 3 parts that make up the nervous system. A) Lungs, brain, skin. B) Brain, spinal cord, nerves. C) Medulla, dendrites, axons. D) Cell body, axon endings, nucleus. Show Answer Correct Answer: B) Brain, spinal cord, nerves. 13. A bundle of nerves that runs along the back of a vertebrate within the spinal column. A) Dendrites. B) Stimulus. C) Brain Stem. D) Spinal cord. Show Answer Correct Answer: D) Spinal cord. 14. Which neurotransmitter inhibits brain activity? A) Glutamate. B) GABA. C) Endorphins. D) Dopamine. Show Answer Correct Answer: B) GABA. 15. Which Part of the bone contains blood vessels? A) Inner part. B) Outer part. C) All of these. D) None of these. Show Answer Correct Answer: A) Inner part. 16. This structure in the neuron is a insulating layer that helps transmit an impulse. A) Axon. B) Dendrite. C) Myelin sheath. D) Nodes of Ranvier. Show Answer Correct Answer: C) Myelin sheath. 17. The seventh cranial nerve that controls most facial expressions? A) Vagus. B) Trigeminal. C) Facial. D) Oculomotor. Show Answer Correct Answer: C) Facial. 18. Which statement is not considered a reflex action? A) Lift your foot when stepping on broken glass and cutting your foot. B) Individual intelligence. C) Jerking the hand away from the hot glass. D) He was able to carry a refrigerator down from the second floor during a house fire. Show Answer Correct Answer: B) Individual intelligence. 19. What is the equation to calculate distance? A) Distance = speed/time. B) Distance = time/speed. C) Distance = speed/distance. D) Distance = speed x time. Show Answer Correct Answer: D) Distance = speed x time. 20. The large organ of the central nervous system composed of white and gray matter, contained within the cranium and continuous with the spinal cord. A) Brain. B) Thermoreceptor. C) Neurotransmitter. D) Glial Cell. Show Answer Correct Answer: A) Brain. ← 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