CERTIFIED EMERGENCY NURSE EXAM NEWEST 2025
ACTUAL EXAM TEST BANK| 300 REAL EXAM
QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) GRADED A+|| NEW!!
Shock .......ANSWER........State of impaired tissue perfusion
resulting from circulatory failure.
Hypovolemic Shock .......ANSWER........Decreased cellular
perfusion secondary to lack of circulating volume or not
ENOUGH GAS.
Cardiogenic Shock .......ANSWER........Decreased cellular perfusion
secondary to maldistribution of oxygen to the periphery. Its like
adding a larger engine without increasing the size of the tank.
Obstructive shock .......ANSWER........Decreased cellular perfusion
secondry to obstruction of blood into or out of the ventricles (eg.
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pulmonary emboli, tamponade, tension pneumo. Like getting dirt
or blockage in the fuel line.
Prolonged lactic acidosis leads to microvascular thrombosis and
disseminated intravascular coagulation .......ANSWER........
Compensated Shock .......ANSWER........When patient is able to
maintain blood pressure. Body attempting to maintain
homeostasis. Increases perfusion to brain, decreases blood flow
to kidneys.
Uncompensated Shock .......ANSWER........Shock at cellular level.
Intracellular fluid leaks into interstitium causing third spacing and
edema, bp decreases, hr increases, respiratory rate increases,
Hypovolemic Shock .......ANSWER........Blood or fluid loss reduces
circulating blood volume and cardiac output.
Mean Arterial Pressure .......ANSWER........MAP = (Systolic
pressure + 2(Diastolic) / 3
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Want a MAP above 60
Hypovolemic shock interventions .......ANSWER........Airway control,
control bleeing or fluid loss, restore volume, NS 0.9%, Adult 1-2L
bolus, Pedi 20ml/kg. Never use Dextrose
Cardiogenic Shock .......ANSWER........Inadequate tissue perfusion
as a result of decreased cardiac output despite adequate
intravascular volume. Most common is MI. Pump Failure
Cardiogenic Shock Interventions .......ANSWER........Airway with
PEEP will force pulmonary edema fluid out of the lung
interstitium. Decrease preload by position, nitro, diuretics,
morphine. Cardiac cath, angioplasty.
Distributive Shock .......ANSWER........Abnormal distribution of
intravascular volume. Can me anaphylactic, septic, neurogenic
Distributive Shock (Anaphylaxis) .......ANSWER........Acute life
threatening allergic reaction to individuals exposed to an
antigen to which they have become hypersensitive.
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Anaphylactic Shock Interventions .......ANSWER........IM epi 1:1000
repeat in 15-20 min as needed. Albuterol, H1 abd H2 blockers,
Corticosteroids.
Septic Shock .......ANSWER........Systemic 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 .......ANSWER........Positive inotropes,
vasopressors, fluid resuscitation, antibiotics
Neurogenic Shock .......ANSWER........Loss of the sympathetic
nervous system "fight or flight" response is lost and the rest of
digest system is unopposed. Bradycardia, bradypnea,
hypotension, priapism.