EXAM
CCRN PRACTICE EXAM PREP NEW 2026/2027
ACTUAL EXAM COMPLETE 250 QUESTIONS
AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) WITH RATIONALES |ALREADY
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A 72-year-old man arrived in the emergency department after 4 hours of substernal pain radiating to the left arm.
He has a 100 pack-year history of cigarette smoking, chronic obstructive pulmonary disease, and intermittent
claudication. His electrocardiogram on admission shows sinus tachycardia with a rate of 120 beats/min and ST
segment elevation in leads I, AVL, and V3 to V6. Vital signs include blood pressure, 150/84 mm Hg; respiratory
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EXAM
rate, 15 breaths/min; functional oxygen saturation (SpO2), 95%; and temperature, 38.3° C (100.9° F). This patient
is at particular risk for which of the following?
A.
Sinoatrial (SA) blocks
B.
Type I second-degree AV block
C.
Type II second-degree AV block
D.
Third-degree AV heart block with junctional escape rhythm –
Correct Answer :C. Type II second-degree AV block
SA blocks, second-degree AV block type I, and third-degree AV heart block at the level of the AV node would
occur in right coronary artery occlusion and inferior myocardial infarction rather than in this example of left
coronary artery occlusion and anterolateral myocardial infarction.
A 70-year-old woman, weighing 50 kg, comes to the emergency department complaining of chest pain and
shortness of breath. The electrocardiogram monitor shows ventricular tachycardia at a rate of 150 beats/min.
Which treatment is appropriate in this situation?
A.
Amiodarone IV
B.
Verapamil HCl IV
C.
Defibrillation beginning at 200 J
D.
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EXAM
Synchronized cardioversion beginning at 100 J –
Correct Answer :D. Synchronized cardioversion beginning at 100 J
Treatment for an unstable ventricular tachycardia is sedation and synchronized cardioversion beginning at 100 J.
Amiodarone would be used in stable ventricular tachycardia. Verapamil is used for supraventricular tachycardias
and would be inappropriate for ventricular tachycardia. Defibrillation is indicated if the patient is pulseless.
An elderly patient is admitted with pneumonia. This morning he is febrile, tachycardic, tachypneic, and confused.
He is started on norepinephrin. You would monitor him closely for which of the following?
A.
Hypotension
B.
Bradycardia
C.
Bronchospasm
D.
Abdominal pain - Correct Answer :D. Abdominal pain
Norepinephrine stimulates predominantly α receptors but also stimulates β receptors. Monitor the patient
closely for indications of excessive vasoconstriction and ischemia, such as acrocyanosis, chest pain, abdominal
pain, and decreased urine output.
A 54-year-old man has just returned to the critical care unit from the postanesthesia care unit. He has a 60-pack-
year history of cigarette smoking and had a right lower lobectomy performed earlier yesterday for treatment of
lung cancer. The nurse notes diminished breath sounds in the left posterior base. What would these findings
most likely indicate?
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EXAM
A.
Pleurisy
B.
Pneumonia
C.
Atelectasis
D.
Presence of chest tube –
Correct Answer :C. Atelectasis
Diminished breath sounds indicate diminished air flow. Atelectasis is the logical choice. Pleurisy causes a pleural
friction rub. Pneumonia causes bronchial breath sounds. The chest tube does not cause any specific breath
sound, though there may be gurgling audible if the suction is not clamped during auscultation
A 50-year-old patient is transferred to the critical care unit from the emergency department. A rattlesnake bit
him approximately 6 hours ago. He is having a severe reaction to the venom, and antivenom is being flown to
the hospital. The patient is bleeding from his IV insertion sites and continues to seep blood from the wound.
Which of the following diagnostic panels is suggestive of disseminated intravascular coagulation (DIC)?
A.
Decreased platelets, decreased fibrinogen, prolonged prothrombin time (PT), prolonged activated partial
thromboplastin time (aPTT), prolonged thrombin time, increased fibrin degradation products (FDPs)
B.
Increased platelets, increased fibrinogen, normal PT, aPTT, normal thrombin time, increased fibrin degradation
products (FDPs)
C.
Increased platelets, decreased fibrinogen, prolonged PT, aPTT, prolonged thrombin time, decreased fibrin
degradation products (FDPs)
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