Nur 611 Exam 2 100% Correct Answers

What is a chemotactic factor? {Ans: biochemical substance that attracts leukocytes to site of inflamation}What can happen with increased intracranial pressures? {Ans: Collateral dysfunction such as Diabetes Insipidus}What is an example of type IV hypersensitivity reaction? {Ans: Metal allergies (nickel in jewelry), poison ivy, TB screening}What causes a fever? {Ans: cytokines - endogenous pyrogens. Products released after phagocytosis initiates it}What are S/S of MCA stroke? {Ans: MOTOR: contralateral hemiparesis/hemiplegia (greater in face and arm than leg) SENSATION: contralateral loss in same distribution as motor loss SPEECH: Expressive (motor) disorder with anomia (left hemisphere most commonly effected) with non-fluent aphasia and some comprehension defects VISION: contralateral homonymous hemianopsia and quadranopsia RESPIRATION: Cheye-stokes, contrlateral hyperhidrosis, ocasional mydriasis PERCEPTION: transient visual and sensory neglect on the left if a right lesion}What is the sequence of events leading to hyperreflexia induced bradycardia? {Ans: Stimulation of the carotid sinus nerve to the sinoatrial nose The intact autonomic nervous system reflexively responds with arteriolar spasm that increases blood pressure Baroreceptors in the cerebral vessels, carotid sinus, and aorta sense the hypertension and stimulation the parasympathetic nervous system The heart rate decreases, but the visceral and peripheral vessels do not dilate