CCRN adult EXAM A+ GRADE ASSURED COMPLETE SOLUTIONS AND VERIFIED ANSWERS

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Exam Solution vc




CCRN 1 2026 A+ GRADE ASSURED COMPLETE SOLUTIO vc vc vc vc vc vc vc




NS AND VERIFIED ANSWERS (167ED)
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QUESTION 1 vc




Which of the following are symptoms of hypoglycemia?
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A) tachycardia and trembling
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B) bradycardia and diaphoresis
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C) anxiety and flushed, dry skin
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D) flushed, dry skin and tachycardia
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ANSWER

A) tachycardia and trembling When the blood glucose drops, sympathetic stimulation occurs. Symptoms
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are masked for a patient who is receiving beta-
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adrenergic blocker drugs. Flushed, dry skin is a sign of hyperglycemia.
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QUESTION 2 vc




a patient status post head trauma has an ICP of 32mmHg. which of the following interven
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tions is contraindicated for this patient?
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A) provide enteral feeding via a nasal tube
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B) elevate the head of bed 30-45 degrees
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C) maintain a MAP of 50-60
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D) avoid hypotonic IV solitons
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ANSWER

C) maintain a MAP of 50-
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60 the patient has an elevated ICP, and the patient requires a MAP greater than 50-
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60 in order to maintain cerebral perfusion pressure and prevent brain ischemia. the remaining interven
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tions listed in choices A B and D are indicated for a patient with elevated ICP.
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QUESTION 3 vc




which of the following is associated with mitral regurgitation?
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A) systolic murmur, sinus bradycardia
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, B) diastolic murmur, heart failure
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C) systolic murmur, inferior wall myocardial infarction
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D) diastolic murmur, complete heart block
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ANSWER

C) systolic murmur, interior wall myocardial infarction inferior wall MI may result in ischemia and dysf
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unction (regurgitation) of the mitral valve. the mitral valve is closed during systole (left ventricular eject
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ion). a murmur is produced when the mitral valve is not fully closed during systole.
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QUESTION 4 vc




nitrate therapy is indicated for the treatment of unstable angina and acute heart failure
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because it: vc



A) decrease preload and increases myocardial O2 demand
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B) increases preload and increases myocardial O2 demand
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C) increases preload and decreased myocardial O2 demand
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D) decreases preload and decreases myocardial O2 demand
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ANSWER

D) decreases preload and decreases myocardial O2 demand nitrates cause venodilation which results in
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a decrease in venous return to the heart (left ventricular preload reduction). the decrease in preload de
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creases the work of the left ventricle and the myocardial oxygen demand.
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QUESTION 5 vc




a patient has just consented to a bedside chest tube insertion and requests that his wife
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be allowed to be present during the procedure. the nurse should:
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D) prepare the wife for what to expect and allow her to be present
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ANSWER

the AACN synergy model supports caring practices and family presence. an AACN practice alert indicate
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s that family presence may improve patient outcome.
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QUESTION 6 vc




ECG changes associated with ST elevation myocardial infarction (STEMI) that affect the la
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teral wall would include changes in which of the following leads?
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A) II, III, aVF
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B) V1, V2, V3
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C) V2, V3, V4
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D) V5, V6, I, aVL
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ANSWER

D) V5 and V6 represent the lower lateral wall of the left ventricle and I and aVL represent the high later
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al wall of the left ventricle, supplied by the left circumflex artery in most of the population
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