CCRN Barrons neurological concepts Exam Questions and Answers 100% Pass

CCRN Barrons neurological concepts Exam Questions and Answers 100% Pass Which cranial nerve is often affected with a basilar skull fracture - Answer- I (olfactory)- smell Which cranial nerve deals with pupillary function - Answer- III (oculomotor) All cranial nerves arise from the brainstem except which two - Answer- cranial nerves I (olfactory-smell) and II (optic- sight) + they arise from the cerebrum above the brain stem This cranial nerve is tested by doll's eyes and cold caloric exams - Answer- VIII (vestibulocochlear) cranial nerve that controls swallow and gag - Answer- IX (glossopharyngeal) lobe that controls abstract thought, personality, and long-term memory - Answer- Frontal lobe Lobe that controls hearing, sense of taste and smell, and interpretations - Answer- Temporal lobe Lobe that controls vision, visual recognition, and reading comprehension - Answer- occipital lobe lobe that controls object recognition by size, weight, shape. Also body part awareness - Answer- parietal lobe part of the brain the controls coordination, balance, and gait - Answer- cerebellum What does consciousness depend upon? - Answer- intact cerebral cortex and reticular activating system (RAS) what is always the first sign of a neurological problem? - Answer- change in LOC +except for an epidural hematoma, which may cause pupil changes before a LOC change a network of neurons that connect the brain stem to the cortex - Answer- RAS (reticular activating system) + The upper part of the RAS is responsible for awareness; the lower part of the RAS is responsible for sleep-wake cycle + if the lower RAS is damaged a coma occurs; if the upper portion of the RAS is damaged, the pt loses awareness but still wakes up and goes to sleep midbrain or pons dysfunction will cause decerebrate or decorticate posturing? - Answer- decerebrate (arms contracted) hemispheric dysfunction will cause decerebrate or decorticate posturing? - Answer- Decorticate (arms flexed) Pupil changes occur on what side of injury? - Answer- Ipsilateral. Same side as injury Sensory and motor deficits occur on what side of the injury? - Answer- contralateral. Opposite side as injury toes flare up toward the head when the bottom of the foot is stroked - Answer- positive babinski reflex +Found on the opposite side of the injury Brain stem reflexes - Answer- cough, gag,