This quiz works best with JavaScript enabled. Home > Science > Nervous System – Quiz 163 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 163 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. More ions inside than outside cell membrane A) Polarized. B) Depolarized. C) Repolarized. D) None of above. Show Answer Correct Answer: B) Depolarized. 2. Muscles can only pull on bones to move them. A) True. B) False. Show Answer Correct Answer: A) True. 3. What describes the correct order of the Reflex Arc? A) Sensory Neurons send signal Efferently-Motor Neurons send signal Afferently. B) Motor Neurons send signal Afferently-Sensory Neurons send signal Efferently. C) Sensory Neurons send signal Afferently-Motor Neurons send signal Efferently. D) Motor Neurons send signal Efferently-Sensory Neurons send signal Afferently. Show Answer Correct Answer: C) Sensory Neurons send signal Afferently-Motor Neurons send signal Efferently. 4. Thalamus, hypothalamus, epithalamus, and mammillary bodies, which regulate homeostasis, make up this region of the brain A) Diencephalon. B) Telencephalon. C) Cerebellum. D) Brain stem. Show Answer Correct Answer: A) Diencephalon. 5. THE CELLS OF THE NERVOUS SYSTEM A) MEDULLA. B) NEURONS. C) SKIN. D) RED CELLS. Show Answer Correct Answer: B) NEURONS. 6. What are the three principal functions of the nervous system? A) Sensory input, Integration, and Motor output. B) Vision, Hearing, and Smell. C) Memory, Learning, and Emotions. D) Digestion, Respiration, and Circulation. Show Answer Correct Answer: A) Sensory input, Integration, and Motor output. 7. The neuron receiving information from another neuron is called the A) Presynaptic neuron. B) Postsynaptic neuron. Show Answer Correct Answer: B) Postsynaptic neuron. 8. The white matter of the brain is formed A) Dendrites. B) Cell bodies of neurons. C) Axon. D) Dendrites and cell bodies of neurons. Show Answer Correct Answer: C) Axon. 9. Part of nervous system under involuntary control A) Somatic. B) Autonomic. C) Motor. D) Sensory. Show Answer Correct Answer: B) Autonomic. 10. Which is a cytoplasmic extension from the cell body, that usually receives information from other neurons and transmits the information to the cell body? A) Axon. B) Dendrite. C) Cell body. D) Node of Ranvier. Show Answer Correct Answer: B) Dendrite. 11. The parasympathetic nerves relax the airways. A) True. B) False. Show Answer Correct Answer: B) False. 12. Neurotransmitters bind to complementary sites on a cell called A) Receptors. B) Axon terminals. C) Cell bodies. D) None of above. Show Answer Correct Answer: A) Receptors. 13. Which layer is of meninges is the hardest? A) Pia mater. B) Arachnoid mater. C) Dura mater. D) None of above. Show Answer Correct Answer: C) Dura mater. 14. Anesthesia A) Lack of sensation. B) Lack of speech. C) Lack of pain. D) Lack of movement. Show Answer Correct Answer: A) Lack of sensation. 15. How can neurons be classified? A) By their size. B) By the number of processes they have. C) By their color. D) By their location in the body. Show Answer Correct Answer: B) By the number of processes they have. 16. Which part of the brain controls unconscious activities such as heart rate and breathing rate? A) Cerebrum. B) Cerebellum. C) Medulla. D) Hypothalamus. Show Answer Correct Answer: C) Medulla. 17. Vision A) Frontal lobe. B) Parietal lobe. C) Occipital lobe. D) Temporal lobe. Show Answer Correct Answer: C) Occipital lobe. 18. Which ion links excitation to contraction in a skeletal muscle fiber? A) Sodium. B) Magnesium. C) Calcium. D) Potassium. E) Chloride. Show Answer Correct Answer: C) Calcium. 19. What is the primary function of the myelin sheath surrounding a neuron? A) To produce neurotransmitters. B) To regulate nutrient intake. C) To speed up neural transmission. D) To insulate the neuron's cell body . Show Answer Correct Answer: C) To speed up neural transmission. 20. What is the term for lack of blood flow? A) Hypoxia. B) Infarction. C) Ischemia. D) Hypoxemia. Show Answer Correct Answer: C) Ischemia. ← 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