Certified Emergency Nursing 2024 Exam Questions With Correct Answers

Certified Emergency Nursing 2024 Exam Questions With Correct Answers Hypovolemic Shock - answerDecreased cellular perfusion secondary to lack of circulating volume or not ENOUGH GAS. Cardiogenic Shock - answerDecreased cellular perfusion secondary to maldistribution of oxygen to the periphery. Its like adding a larger engine without increasing the size of the tank. To get more questions with correct answers email jamesdickson3161@Test banks and other E books - answer Obstructive shock - answerDecreased cellular perfusion secondry to obstruction of blood into or out of the ventricles (eg. pulmonary emboli, tamponade, tension pneumo. Like getting dirt or blockage in the fuel line. Prolonged lactic acidosis leads to: - answermicrovascular thrombosis disseminated intravascular coagulation (DIC) Compensated Shock - answerWhen patient is able to maintain blood pressure. Body attempting to maintain homeostasis. Increases perfusion to brain, decreases blood flow to kidneys. Uncompensated Shock - answerShock at cellular level. Intracellular fluid leaks into interstitium causing third spacing and edema, bp decreases, hr increases, respiratory rate increases, Hypovolemic Shock - answerBlood or fluid loss reduces circulating blood volume and cardiac output. Mean Arterial Pressure - answerMAP = (Systolic pressure + 2(Diastolic) / 3 Want a MAP above 60 Hypovolemic shock interventions - answerAirway control, control bleeing or fluid loss, restore volume, NS 0.9%, Adult 1-2L bolus, Pedi 20ml/kg. Never use Dextrose Cardiogenic Shock - answerInadequate tissue perfusion as a result of decreased cardiac output despite adequate intravascular volume. Most common is MI. Pump Failure EXAM STUDY MATERIALS July 30, 2024 11:26 AM Cardiogenic Shock Interventions - answerAirway with PEEP will force pulmonary edema fluid out of the lung interstitium. Decrease preload by position, nitro, diuretics, morphine. Cardiac cath, angioplasty. Distributive Shock - answerAbnormal distribution of intravascular volume. Can me anaphylactic, septic, neurogenic Distributive Shock (Anaphylaxis) - answerAcute life threatening allergic reaction to individuals exposed to an antigen to which they have become hypersensitive. Anaphylactic Shock Interventions - answerIM epi 1:1000 repeat in 15-20 min as needed. Albuterol, H1 abd H2 blockers, Corticosteroids. Septic Shock - answerSystemic Inflammatory response syndrome (SIRS). Sepsis with organ dysfunction, cardio failure leading to hypotension, Resp failure leading to hypoxia, Renal failure leading to oliguria and azotemia. MODS, multiple organ dysfumction syndrome. Septic Shock Interventions - answerPositive inotropes, vasopressors, fluid resuscitation, antibiotics Neurogenic Shock - answerLoss of the sympathetic nervous system "fight or flight" response is lost and the rest of digest system is unopposed. Bradycardia, bradypnea, hypotension, priapism. Neurogenic shock interventions - answerabc's, fluids, vasopressors, atropine for bradycardia, high dose corticosteroids not recommended. Obstructive shock - answercardiac output and tissue perfusion are inadequate because of resistance to ventricular filling. Causes pericardial tamponade, tension pneumo, pulmonary embolism Obstructive shock interventions - answercorrect underlying condition, pericardial tamponade, pericardiocentesis and subsequent surgical repair, tension pneumo-immediate needle thoracotomy, PE-thrombolytics CVP - answer8-12mm Hg Geriatric considerations - answertachycardia during shock may be masked by medications (beta blockers), prone to dehydration, decreased thirst, avoid fluid overload CO=SV X HR - answer SNS sympathetic nervous system - answerheart rate is increased by stimulation of the sns, which occurs from stress, anxiety, acute pain, release of catecholamines, hypotension and drugs with positive chronotropic effects.