This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 177 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 177 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which system regulates the heart? A) The somatic system of the motor division of the PNS. B) The sensory system. C) The sympathetic system. D) The autonomic part of the motor division of the PNS. Show Answer Correct Answer: D) The autonomic part of the motor division of the PNS. 2. The space between the axon terminal and the dendrite of the receiving neuron is called the A) Synaptic Cleft. B) Axon terminal. C) Neurotransmitters. D) None of above. Show Answer Correct Answer: A) Synaptic Cleft. 3. The extension of a neuron that conducts nerve impulses away from the cell body and towards the synapse is called a/an A) Dendrite. B) Axon. C) Nissl body. D) Nucleolus. Show Answer Correct Answer: B) Axon. 4. The nerve message within a neuron is ..... while across the synapse it's ..... A) Chemical, electrical. B) Electrical, chemical. C) Sympathetic, parasympathetic. D) Parasympathetic, sympathetic. Show Answer Correct Answer: B) Electrical, chemical. 5. This is a shallow groove. A) Gyri. B) Sulci. C) Fissure. D) Ganglia. Show Answer Correct Answer: B) Sulci. 6. This insulating material forms a layer around the axon of a neuron. It enables electrical signals to travel down the axon at higher speeds. A) Node of Ranvier. B) Myelin sheath. C) Dendrite. D) Neurotransmitter. Show Answer Correct Answer: B) Myelin sheath. 7. Which part of the peripheral nervous system coordinates voluntary actions such as muscle movement and carries information about skin, muscles, and joints and gives awareness of pain, pressure, and temperature? A) Somatic Nervous System. B) Autonomic Nervous system. Show Answer Correct Answer: A) Somatic Nervous System. 8. Cone shaped region where the axon joins the cell body A) Axon hillock. B) Cell body. C) Axon terminals. D) Dendrites. Show Answer Correct Answer: A) Axon hillock. 9. The organelle that contains genetic material A) Nucleus. B) Nucleolus. C) Schwann cell. D) Vesicle. Show Answer Correct Answer: A) Nucleus. 10. Once the brain processes the impulse ..... What happens next? A) A sensory neurons collects an impulse. B) A new impulse is sent back through interneurons to the motor neurons (dendrite, cell body, then to the axon) to a specific body part to "move" or "respond" . C) The impulse travels from the dendrite to the cell body. D) The impulse "jumps" across the synapse through a neurotransmitter. Show Answer Correct Answer: B) A new impulse is sent back through interneurons to the motor neurons (dendrite, cell body, then to the axon) to a specific body part to "move" or "respond" . 11. When you touch something hot, what is the path of the message? A) Brain, nerve, spinal cord. B) Nerve, spinal cord, brain. C) Spinal cord, nerve, brain. D) Brain, spinal cord, nerve. Show Answer Correct Answer: B) Nerve, spinal cord, brain. 12. Sponges have a nervous system * A) True. B) False. Show Answer Correct Answer: B) False. 13. What is the second largest region of the brain and is located at the back of the skull? A) Cerebellum. B) Cerebrum. C) Brain stem. D) Thalamus. Show Answer Correct Answer: A) Cerebellum. 14. Motor transmitters that carry impulses from the CNS to the muscles and glands A) Efferent nerves. B) Afferent nerves. C) Motor neurons. D) White matter. Show Answer Correct Answer: A) Efferent nerves. 15. Why do people get sleepy after eating a big meal? A) The sugar from food stimulates the sympathetic nervous system. B) Digestion is increased by the parasympathetic nervous system, which also relaxes the body. C) The body needs to maintain homeostasis of blood sugar concentration, so the body shuts down. D) The body switches over to the parasympathetic system because the sympathetic system has been active for too long. Show Answer Correct Answer: B) Digestion is increased by the parasympathetic nervous system, which also relaxes the body. 16. The endocrine system works to maintain stable internal conditions (balance). A) Hormones. B) Homeostasis. C) Hypothyroidism. D) Hydrosis. Show Answer Correct Answer: B) Homeostasis. 17. Type of neuron helper cell that digests debris and bacteria A) Oligodendrocytes. B) Astrocytes. C) Microglial cells. D) Ependymal cells. Show Answer Correct Answer: C) Microglial cells. 18. Which lobe of the brain is the one responsible for processing visual information? A) Temporal. B) Occipital. C) Frontal. D) Parietal. Show Answer Correct Answer: B) Occipital. 19. Which part of the brain controls involuntary movements such as digestion and your heartbeat? A) Cerebrum. B) Cerebellum. C) Medulla/spinal cord. D) None of above. Show Answer Correct Answer: C) Medulla/spinal cord. 20. What is responsible for maintaining the resting membrane potential? A) Neurotransmitter receptors. B) Voltage-gated ion channels. C) The sodium-potassium pump. D) Ligand-gated ion channels. Show Answer Correct Answer: C) The sodium-potassium pump. ← 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