NR 304 Neuro Exam Questions with 100% Correct Answers

Central nervous system CNS Correct Answer -brain -spinal cord Peripheral nervous system PNS Correct Answer -cranial nerves -spinal nerves Myelin sheat Correct Answer cover nerve fibers to protect neuron, increase delivery of nerve impulses. "white matter" Meninges Correct Answer 3 connective tissue membranes that cover, protect and nourish the CNS Cerebrum: Correct Answer largest portion of brain Cerebral cortex Correct Answer -outermost portion of brain -gray matter -responsible for conscious behavior -enables person to perceive, remember, communicate and initiation of voluntary movement Frontal lobe Correct Answer -helps control voluntary skeletal movement, speech, emotions and intellectual activities -prefrontal cortex controls intellect, complex learning abilities, judgement, reasoning, concern for others and creation of abstract ideas Pariteal lobe Correct Answer responsible for conscious awareness of sensation and somatosensory stimuli -> temperature, pain, shapes, two-point discrimination (ex. square vs round object in hand) Visual cortex Correct Answer -located in the occipital lobe -receives stimulation from the retina and interprets the visual stimuli in relation to past experiences Temporal lobe Correct Answer -responsible for interpreting auditory stimuli -olfactory cortex -> transmits impules r/t smell Dicenphalon Correct Answer composed of: thalmus, hypothalmus, epithalmus Thalmus Correct Answer -gateway to the cerebral cortex -all input channeled to the cerebral cortex is processed by thalmus