SSM SCRN Review Questions And Answers With Latest Solution Graded A+

SSM SCRN Review Questions And Answers With Latest Solution Graded A+ Stroke Risk Factors - correct answerAge Gender (men women) Genetics Stroke Primary Prevention - correct answerTobacco cessation Blood pressure reduction Stroke Secondary Prevention - correct answerPrevention of another stroke Targets treatment for change once disease is present i.e. Blood Pressure control, LDL control, recognition of S/S stroke Frontal Lobe Functions - correct answerRegulates personality and affect Impulsivity and judgement Abstract thinking Conjugate eye movements Frontal Lobe Precentral Gyrus - correct answerAKA Motor Strip Broca's area: Articulation, speed and rhythm of speech Parietal Lobe Functions - correct answerSomatosensory cortex: Interpretation of: Pain, temperature, light touch, vibration, two-point discrimination, proprioception Temporal Lobe - correct answerFunctions: Hearing, Memory, Learning Wernicke's area - correct answerlocated in Temporal lobe responsible for understanding spoken language Occiptal lobe - correct answerFunctions: Vision The right half of the occiptal lobe interprets information received from the right half of both the right and left eyes (and vice versa) Cerebrum - correct answerMade up of Basial ganglia and Limbic system Basial ganglia - correct answerCoordinates movement Limbic system - correct answerAmygdala, Cingulate gyrus, Hippocampus Amygdala and Cingulate gyrus - correct answerMemory and emotion Hippocampus - correct answerMemory and learning Diencephalong - correct answerThalmus, Hypothalmus, Pituitary and pineal gland Thalamus - correct answerReceives input from cerebral cortex and acts as relay center Hypothalamus - correct answerHunger Thirst Autonomic functions Endocrine functions Pituitary and pineal gland - correct answerHormonal modulation Sleep-wake cycle Spinothalamic Tract - correct answerAn ascending pathway of the spinal cord . It is responsible for the transmission of pain, temperature, and crude touch to the somatosensory region of the thalamus. Corticospinal tract - correct answerA descending tract of the spinal cord which contains bundles of axons which originate in the cerebral cortex and descend to synapse within the brainstem or spinal cord. The neurons are called "upper motor neurons". Cerebellum - correct answerCoordination of motor function: Rapid alternating movements Balance and Position sense Brain Stem - correct answerMedulla, Midbrain, Pons Medulla - correct answerForamen magnum to the pons CN XII, IX, X, XI Corticospinal tracts- pyramids: decussate and cross midline Midbrain - correct answerCoordinates Eye Movement, some reflexes related to hearing and vision CN II, III, IV Pons - correct answerBetween medulla and midbrain CN VI, VII, VIII, V message center between cerebellum and cerebrum Cranial Nerve I - correct answerOlfactory-smell Cranial Nerve II - correct answerOptic- transmits visual information, visual fields, deficit=hemianopsia Cranial Nerve III - correct answerOccularmotor- eyeballs look up deficit=diplopia, strabismus, ptosis, pupil dilation Cranial Nerve IV - correct answerTrochlear- move eyeball down and in deficit=diplopia, strabismus Cranial Nerve V - correct answerTrigeminal-sensation to the skin of the face, muscles of mastication deficit=decreased facial sensation Cranial Nerve VI - correct answerAbducens- move eyball down and out deficit=strabismus Cranial Nerve VII - correct answerFacial- facial muscle innervation deficit= facial droop or weakness Cranial Nerve VIII - correct answerAcoustic- hearing and balance deficit= spinning, dizziness Cranial Nerve IX - correct answerGlossopharyngeal- oral sensation, taste, salvation Cranial Nerve X - correct answerVagus- parasympathetic innervation to multiple organs deficit= increased blood pressure, increased heart rate, difficulty swallowing Cranial Nerve XI - correct answerSpinal Accessory- Shoulder Elevation and head turning deficit= winged scapula, difficulty shrugging shoulders Cranial Nerve XII - correct answerHypoglossal- tongue movement deficit= tongue fasiculation, atrophy, weak tongue movement How much of the body's oxygen supply does the brain require? - correct answer20% of body's oxygen supply How much of the cardiac output does the brain require? - correct answer15% of cardiac output Anterior circulation - correct answeroriginates from carotid arteries Posterior circulation - correct answeroriginates from vertebral arteries Circle of Willis (COW) - correct answermerge of anterior and posterior circulation Large vessel strokes - correct answerCarotid, vertebral, COW, ACA, MCA, PCA ischemic stroke: occlusion occurs due to thrombus or embolus ICH: hemorrhage occurs at junctions and vessel turns