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PLTW biomed exam with correct answers
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paramedic correct answersindividual who has extensive training in advanced life support and other advanced assessment and treatment skills. Typically in an ambulance emergency medical technician correct answersprovide emergency, prehospital care to victims of accidents, injuries or sudden illnesses. triage nurse correct answersnurse who admits or evaluates the patient in the emergency room emergency medicine physician correct answersworks in hospital emergency rooms diagnoses and treats medical crises and accidents steps for scene size up correct answers1. Control the situation
head tilt-chin lift maneuver correct answersmeans of correcting blockage of the airway by the tongue by tilting the head back and lifting the chin; used when no spinal trauma has occurred stridor correct answersstrained, high-pitched sound heard on inspiration caused by obstruction in the pharynx or larynx secondary assessment correct answers1. Perform a rapid assessment
solvent correct answersdissolves the solute solute correct answersdissolved by solvent semipermeable correct answersonly certain substances can pass through hypotonic solution correct answerssolute concentration is greater in cell; cell gains water hypertonic solution correct answersthe solute concentration is greater outside the cell; cell loses water isotonic solution correct answersthe solute concentration is equal on the inside and outside of cell; cell stays the same osmosis correct answersdiffusion of water diffusion correct answersmovement of molecules from an area of higher concentration to an area of lower concentration homeostasis correct answersprocess by which organisms maintain a relatively stable internal environment positive feedback correct answersfeedback that tends to magnify a process or increase its output negative feedback correct answersfeedback that tends to dampen or buffer changes process of blood clotting correct answersplatelets come to the wound and clots the blood. Then a platelet plug is formed and external bleeding stops. Clotting factors cause fibrins to stick together and seal the inside of the wound.
what type of feedback loop is blood clotting? correct answerspositive; it accelerates the process of clotting until it is large enough to stop bleeding laceration correct answersjagged wound venous bleed correct answerssteady flow of blood coming from vein; dark red arterial bleed correct answersspurting blood coming from artery; bright red which type of bleeding is hardest to control? correct answersarterial bleed steps to stop bleeding correct answersApply a field dressing Manual pressure Apply a direct pressure dressing Apply a tourniquet compressing a wound correct answersapplying pressure to the wound packing wound correct answersstuffing the wound with gauze tourniquet correct answersA device used for bleeding control that constricts all blood flow to and from a limb where should a tourniquet not be applied? correct answersover a joint; neck, abdomen, etc. triage correct answersthe medical screening of patients to determine their relative priority of need and the proper place of treatment 4 triage categories correct answersEmergent- care is needed immediately; life threatening Urgent- care needed quickly, but can be delayed temporarily