This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 645 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 645 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the function of the external ear? A) To produce earwax. B) To catch sound waves and pass them deeper into the ear through the auditory canal. C) To balance the pressure in the ear. D) To process sound waves into electrical signals. Show Answer Correct Answer: B) To catch sound waves and pass them deeper into the ear through the auditory canal. 2. Lnterneurons connect A) Efferent neurons to motor neurons. B) Afferent neurons to sensory neurons. C) Central neurons to afferent neurons. D) Sensory neurons to motor neurons. Show Answer Correct Answer: D) Sensory neurons to motor neurons. 3. The band of nerve cells that connects the two cerebral hemispheres A) Motor cortex. B) Somatosensory cortex. C) Callous body. D) Medulla. Show Answer Correct Answer: C) Callous body. 4. Brain Stem Functions A) Breathing, heart rat, internal organs. B) Voluntary movement, expressive language, and managing higher level executive functions. C) Processes auditory info and encodes memory. D) Swallowing, coughing, sneezing, and vomiting. Show Answer Correct Answer: D) Swallowing, coughing, sneezing, and vomiting. 5. This branch of the nervous system controls all of your involuntary actions A) ANS. B) CNS. C) PNS. D) SNS. Show Answer Correct Answer: A) ANS. 6. In the absence of nodes of Ranvier along a myelinated axon, ..... A) Signal conduction will be faster along the axon. B) Saltatory conduction can still occur. C) Signal conduction to synaptic terminals might not occur. D) Electrical signals will not be unidirectional. Show Answer Correct Answer: C) Signal conduction to synaptic terminals might not occur. 7. This cellular structure wraps around axons and functions to increase the transmission speed of action potentials. A) Ganglion. B) Peripheral membrane. C) Meninges. D) Myelin sheath. Show Answer Correct Answer: D) Myelin sheath. 8. Which part of the brain is responsible for memory and decision-making? A) Cerebrum. B) Hypothalamus. C) Thalamus. D) Cerebellum. Show Answer Correct Answer: A) Cerebrum. 9. Which of these effectors is NOT directly controlled by the autonomic nervous system: A) Smooth muscle. B) Cardiac muscle. C) Skeletal muscle. D) Most glands. E) Abdominal organs. Show Answer Correct Answer: C) Skeletal muscle. 10. It's the number of individuals of each species A) Species richness. B) Speciesabundance. C) Species richness. D) Species diversity . Show Answer Correct Answer: B) Speciesabundance. 11. Him A) Smaller. B) Larger. C) Between. D) Treelike. Show Answer Correct Answer: A) Smaller. 12. Neurons that send information from the brain and spinal cord to the muscles and other systems are called A) Sensory Neurons. B) Motor Neurons. C) Interneurons. D) None of above. Show Answer Correct Answer: B) Motor Neurons. 13. Responds to information received from the outside environment and inside your body. For example, touching a hot stove is a ..... A) Nerves. B) Brain. C) Stimulus. D) Dendrite. Show Answer Correct Answer: C) Stimulus. 14. Carry impulses from central nervous system to an effector organ, such as muscle or gland A) Sensory neurons. B) Interneurons. C) Motor neurons. D) None of above. Show Answer Correct Answer: C) Motor neurons. 15. An impulse generator and transmitter is called a(n): A) Neurofibril. B) Axon. C) Dendrite. D) Axon terminal. Show Answer Correct Answer: B) Axon. 16. In the term narc/o/lepsy, the suffix-lepsy means (a) A) A seizure. B) Coordination. C) Movement. D) Paralysis. Show Answer Correct Answer: A) A seizure. 17. What produces myelin in the CNS? A) Microglial cells. B) Astrocytes. C) Oligodendrocytes. D) Schwann Cells. Show Answer Correct Answer: C) Oligodendrocytes. 18. Which part of digestive system that produce acid to break down food into a liquid paste? A) Mouth. B) Stomach. C) Intestines. D) Esophagus. Show Answer Correct Answer: B) Stomach. 19. The CNS (central nervous system) is made up of the ..... & ..... A) Brain and nerves. B) Brain and spinal cord. C) Nerves and spinal cord. D) Spinal cord and vertebrae. Show Answer Correct Answer: B) Brain and spinal cord. 20. Which part of the nervous system receives stimuli? A) Brain. B) Spinal cord. C) Muscles. D) Receptors. Show Answer Correct Answer: D) Receptors. ← 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