This quiz works best with JavaScript enabled. Home > Science > Biology > Nervous System – Quiz 143 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nervous System Quiz 143 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A patient fell out of a tree and landed on his left shoulder 5 days ago. He sustained a glenohumeral dislocation at the time and is now unable to flex his elbow with his forearm in supination. Which nerve was probably damaged with the dislocation? A) Musculocutaneous nerve. B) Radial nerve. C) Ulnar nerve. D) Median nerve. Show Answer Correct Answer: A) Musculocutaneous nerve. 2. Tissue that carries impulses back and forth to the brain. A) Epithelial. B) Nerve. C) Muscle. D) Connective. Show Answer Correct Answer: B) Nerve. 3. The input or receptive part of a neuron is A) Dendrite. B) Cell body. C) Axon. D) None of above. Show Answer Correct Answer: A) Dendrite. 4. Which detect pain and temperature A) Muscle Spindle. B) Bare nerve endings. C) Meissner's corpuscles. D) Prioceptors. Show Answer Correct Answer: B) Bare nerve endings. 5. What consists of the brain and spinal cord? A) Somatic System. B) Autonomic System. C) Central NS. D) Peripheral NS. Show Answer Correct Answer: C) Central NS. 6. The nerve fibres of PNS are of types: A) Afferent. B) They will bring. C) Both. D) None. Show Answer Correct Answer: C) Both. 7. Which part of the eye opens in dark places and closes in bright places? A) Cornea. B) Retina. C) Pupil. D) Lens. Show Answer Correct Answer: C) Pupil. 8. Which of the following statements about excitatory action potentials is FALSE? A) They cause depolarization in the postsynaptic membrane of the affected cell. B) They allow Na+ ions to rush into the postsynaptic cell. C) They allow K+ ions to rush into the postsynaptic cell and Cl-ion channels to open. D) They cause the continuation of an action potential. Show Answer Correct Answer: C) They allow K+ ions to rush into the postsynaptic cell and Cl-ion channels to open. 9. A neuron is a nerve cell. The brain is made up of approximately 100 billion neurons. A) True. B) False. Show Answer Correct Answer: A) True. 10. Information from the environment that causes a reaction A) Stimulus. B) Voluntary. C) Involuntary. D) Sense organ. Show Answer Correct Answer: A) Stimulus. 11. What is one of the benefits for anyone from MRHS who gets Top 10 individually or Top 2 as a team in the Brain Bee? A) A full scholarship to Midwestern University. B) A special trophy. C) A test drop. D) A cash prize. Show Answer Correct Answer: C) A test drop. 12. True or false:A reflex is involuntary. A) True. B) False. Show Answer Correct Answer: A) True. 13. This lobe of the cerebrum is associated with reasoning, planning, parts of speech, movement, emotions and problem solving. A) Frontal. B) Parietal. C) All of them. D) Temporal. Show Answer Correct Answer: A) Frontal. 14. Afferent neurons A) Sensory neuron. B) Unipolar. C) Interneuron. D) Motor neuron. Show Answer Correct Answer: A) Sensory neuron. 15. The part of the brain that I will use to learn for my next assessment is A) Cerebrum. B) Cerebellum. C) Medulla. D) Spinal Cord. Show Answer Correct Answer: A) Cerebrum. 16. It transmits signals to the control center when it detects a change. A) Control center. B) Effector. C) Response. D) Sensor. Show Answer Correct Answer: D) Sensor. 17. Quickest response to stimuli A) Membrane potential. B) Reflex. C) Schwann cells. D) Cell body. Show Answer Correct Answer: B) Reflex. 18. Which statement is TRUE regarding neuron? A) Able to conduct impulse to adrenal medulla gland. B) Can re-grow if neuron is damaged. C) Neuron is not sensitive to stimulation. D) None of above. Show Answer Correct Answer: A) Able to conduct impulse to adrenal medulla gland. 19. What is the Physiology of the Cerebellum? A) Muscle coordination. B) Direct Sensory information to the brain. C) Responsible to reflexes to what you see and hear. D) Responsible for certain reflexes. Show Answer Correct Answer: A) Muscle coordination. 20. ..... is responsible for decision making and reasoning A) Frontal lobe. B) Parietal lobe. C) Temporal lobe. D) Occipital lobe. Show Answer Correct Answer: A) Frontal lobe. ← 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