Maryville Patho NURS 611 Exam 2 QUESTIONS AND ANSWERS 2023

Maryville Patho NURS 611 Exam 2 QUESTIONS AND ANSWERS 2023 Which body system is responsible for conserving energy and body resources - Correct Answer Parasympathetic nervous system which system responds to stress by preparing the body to defend itself - Correct Answer Sympathetic nervous system (SNS) how is blood flow redistributed by the sympathetic nervous system (SNS) - Correct Answer blood flow to the muscles is increased while blood flow to GI and integumentary is decreased how are primary brain injuries classified - Correct Answer focal or diffuse (aka multifocal) focal brain injuries - Correct Answer specific, grossly observable brain lesions that occur in a precise location Epidural and subdural hemorrhages diffuse brain injuries - Correct Answer include brain injury due to hypoxia, meningitis, encephalitis, and damage to blood vessels The brain is confined in a limited space so increased pressure can cause collateral dysfunction: Diabetes Insipidus (ADH not secreted thus polyuria) autonomic hyperreflexia - Correct Answer affected at the t5-t6 level or above; characterized by paroxysmal HTN (up to 300 mmHg systolic), a pounding headache, blurred vision, sweating above the level of the lesion with flushing of the skin, nasal congestion, nausea, piloerection caused by pilomotor spasm, and bradycardia (30-40 beats/min) location of lesions in cases of autonomic hyperreflexia - Correct Answer individual most likely to be affected have lesions at the T5-T6 level or above sequence of events that lead to hyperreflexia induced bradycardia - Correct Answer bradycardia (30-40bpm) is a sx of hyperreflexia