This quiz works best with JavaScript enabled. Home > Science > Biology > 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. Components of the peripheral nervous system? A) Cranial nerves. B) Spinal cord. C) Brain stem. D) Conus medullaris. Show Answer Correct Answer: A) Cranial nerves. 2. Cranial nerve VII, carries motor information to muscles on the face, and sensory information from the face and jaws back to the brain: A) Facial. B) Trigeminal. C) Spinal accessory. D) Olfactory. Show Answer Correct Answer: A) Facial. 3. Main class used to treat ADHD A) CNS Depressants. B) Mood Stabilizer. C) CNS Stimulants. D) Sedative/Hypnotics. Show Answer Correct Answer: C) CNS Stimulants. 4. ..... gives the eye its distinct colour. A) Cornea. B) Lens. C) Retina. D) Iris. Show Answer Correct Answer: D) Iris. 5. Sympatheic is "rest and digest" A) True. B) False. Show Answer Correct Answer: B) False. 6. Which of the following are not matched correctly? A) Organ of corti, hearing. B) Gustatory cell, touch. C) Spots, balance. D) Olfactory. smell. Show Answer Correct Answer: B) Gustatory cell, touch. 7. The inside of the membrane becomes more negative A) Hyperpolarization. B) Depolarization. C) Threshold. D) Action potential. Show Answer Correct Answer: A) Hyperpolarization. 8. Which of the following describes the function of Schwann cells? A) Create, secrete and circulate cerebrospinal fluid and help form the blood-brain barrier. B) Produce the myelin sheath in the CNS. C) Support and anchor neurons, stem cells, form blood-brain barrier. D) Immune defense against invading microorganisms. E) Produce the myelin sheath in the PNS. Show Answer Correct Answer: E) Produce the myelin sheath in the PNS. 9. Portion of the CNS that decodes signals sent by the sensory portion A) Motor. B) Sensory. C) Integrative. D) Brain. Show Answer Correct Answer: C) Integrative. 10. What do you call the home to the information that essentially defines us:our intelligence, memory, personality, emotion, speech, and ability to feel and move? A) B. Brain cells. B) B. Cranial nerves. C) C. Cerebellum. D) Mr. Brain. Show Answer Correct Answer: D) Mr. Brain. 11. What does letter D represent? A) Nerve. B) Axon. C) Blood vessels. D) Skin. Show Answer Correct Answer: A) Nerve. 12. Select an example of repolarization A) Potassium ions reflux in membrane. B) Sodium ions influx in membrane. C) Blood calcium ions influx in membrane. D) None of above. Show Answer Correct Answer: A) Potassium ions reflux in membrane. 13. What light sensitive cells are stimulated in dim light? A) Rods. B) Cones. Show Answer Correct Answer: A) Rods. 14. 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. 15. 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. 16. 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. 17. 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. 18. This is a shallow groove. A) Gyri. B) Sulci. C) Fissure. D) Ganglia. Show Answer Correct Answer: B) Sulci. 19. 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. 20. 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. ← 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