Nervous System Practice Test 100% Correct

Immediately after the ions have rushed inside the neuron the sodium potassium pump: a. pumps sodium ions out b. pumps acetylcholine into the nerve c. deactivates the epinephrine d. pumps oppositely charged ion inside to compensate for the charge imbalance e. pumps potassium ions out - ANSWER e In order for the impulse to travel to another nerve it must jump across: a. the synaptic cleft b. the action potential c. the sodium potassium pump d. the concentration gradient - ANSWER a Next gates a bit down further down the neuron open and ____ a. the sodium rushes into the neuron at this point b. potassium ions rush out of the neuron at this point c. potassium ions rush into the neuron at this point d. the sodium rushes out of the neuron at this point - ANSWER a Which part of the brain works with the medulla to regulate breathing and sleep? a. superior colliculus b. pineal gland c. pons d. cerebellum e. thalamus - ANSWER c Signals for written and oral speech must be received at the correct area of the brain before a child enters school for formal education. a. False b. True - ANSWER b Which subdivision of the autonomic nervous system is known as the "housekeeping division"? a. sympathetic b. parasympathetic - ANSWER b Which part of the brain is responsible sex, thirst, and hunger drives? a. thalamus b. hypothalamus c. pons d. cerebellum - ANSWER b Which of the three meneges is the toughest? a. dura b. arachnoid c. pia - ANSWER a The neurotransmitter attached to this subdivision of the autonomic nervous system is acetylcholine? a. parasympathetic b. sympathetic - ANSWER a Which subdivision of the autonomic nervous system would do the following: -cause glucose to be released into blood stream -inhibit the production of saliva -dilate your pupils a. parasympathetic b. sympathetic - ANSWER b The most posterior part of the brain nearest to the spinal cord is the: a. pons b. inferior colliculus c. cerebral peduncle d. medulla - ANSWER d The sodium potassium pump moves ___ out of the neuron and ___ into the neuron. a. potassium, sodium b. sodium, potassium - ANSWER b Which division of the nervous system operates using two nerve connections? a. autonomic b. somatic - ANSWER a Which part of the brain is known as the feeding reflex center? a. pons b. medulla c. mammilary body d. pineal body - ANSWER c Which type of nervous tissue can conduct electrical impulses? a. neuroglia b. neurons - ANSWER b Many reflex actions can be elicited without the use of the brain. a. True b. False - ANSWER a Which of the three meneges is closest to the brain? a. dura b. pia c. arachnoid - ANSWER b Which part of the brainstem is known as the visual reflex center? a. corpus callosum b. thalamus c. pineal body d. superior colliculi - ANSWER d The brain uses both electrical signals and hormones to accomplish its duties. a. False b. True - ANSWER b The glial cells whose main job it is to dispose of dead brain cells and other debris are: a. microglial cells b. oligodendrocytes c. astrocytes d. ependymal cells - ANSWER a Which hemisphere or hemispheres of the brain would you use if you were time conscious, digital, linear, judgmental, and word-auditory activites? a. right side b. a mix of both hemispheres c. left side - ANSWER c Which part of the brain is responsible for the muscular cooridination needed for such intricate activities as dancing or painting? a. cerebrum b. medulla c. cerebral peduncle d. cerebellum - ANSWER d Which subdivision of the autonomic nervous system would do the following: -increase perspiration -dilate blood vessels in the heart -constrict the anal sphincter a. sympathetic b. parasympathetic - ANSWER a Which part of the neuron conducts impulses toward the cell body? a. the myelin sheath b. a dendrite c. a sole foot d. the axon - ANSWER b Which division of the nervous system stimulates voluntary muscles? a. autonomic b. somatic - ANSWER b Which part of the brain is a relay station for all sensory impulses. It interprets a sensation as good or bad and then relays it to the proper location in the cerebrum for interpretation. a. medulla b. cerebral peduncles c. inferior colliculi d. pineal body e. thalamus - ANSWER e The charge imbalance set up by pumping action of the sodium potassium pump is called: a. resting potential b. activation potential c. action potential d. energy potential - ANSWER a Einstein's brain was found to contain more neurons than any other human brain dissected. a. True b. False - ANSWER b How many ventricles are found in the human brain? a. 5 b. 3 c. 4 d. 2 - AN