Certified Emergency Nurse CEN Exam Review Study Guide – Comprehensive Emergency Nursing Concepts & Certification Prep PDF 2026/2027

Certified Emergency Nurse (CEN) Exam
Certified
Review
Emergency
– Comprehensive
Nurse (CEN) Study
Exam
Certified
Guide.pdf
Review
Emergency
– Comprehensive
Nurse (CEN) Study
Exam Guide.pdf
Review – Comprehensive Study Guide.pdf




Certified Emergency Nurse (CEN) Exam
Review – Comprehensive Study Guide




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Certified Emergency Nurse (CEN) Exam
Certified
Review
Emergency
– Comprehensive
Nurse (CEN) Study
Exam
Certified
Guide.pdf
Review
Emergency
– Comprehensive
Nurse (CEN) Study
Exam Guide.pdf
Review – Comprehensive Study Guide.pdf

,Certified Emergency Nurse.pdf Certified Emergency Nurse.pdf Certified Emergency Nurse.pdf


Terms in this set (180)



hypovolemic shock decreased cellular perfusion due to lack of circulating volume


cardiogenic shock decreased cellular perfusion secondary to failure of the central pump


distributive shock decreased cellular perfusion secondary to maldistribution of the oxygen to
the periphery




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obstructive shock decreased cellular perfusion secondary to obstruction of blood into or out
of the ventricles (pulmonary embolism, pericardial tamponade, tension
pneumothorax)


sympathetic nervous system fight or flight
adrenergic system


s/s: vasoconstriction, glycogenolysis, diaphoresis, increased HR, increased
RR, increased water and sodium reabsorption, bronchodilation


parasympathetic nervous system rest and digest
cholinergic system


s/s: vasodilation, glucogenesis, dry skin, decreased HR, decreased
respiratory rate, bronchoconstriction


beta one receptors -one heart, beta one affects the heart (contractility, automaticity, heart rate)


beta two receptors -two lungs, beta two mainly affects the lungs (bronchodilation, respiratory
rate)

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, Certified Emergency Nurse.pdf Certified Emergency Nurse.pdf Certified Emergency Nurse.pdf




agonist stimulates a system


antagonist diminishes system response


hyponatremia (over hydration)
-s/s: symptoms of water retention, swelling, confusion, apathy, sense of
impending doom, muscle cramps


-treatment: water restriction, oral sodium replacement, slow replacement
with hypertonic saline (3-5% saline solution)


-correcting too rapidly can cause central pontine myelinolysis (flaccid
paralysis, dysarthria, dysphagia, hypotension)




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