PCCN practice Questions Exam 2026 || Most Recent Exam Actual
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1. A 49-year-old male was recently admitted with an
inferior wall MI resulting from 100% occlusion of the right
coronary artery (RCA). The 12-Lead ECG reveals ST elevation
in leads II, Ill, and avF. You would expect to see reciprocal
changes in which leads?
A. I, aVR
B. V, V2
C. V, VA
D I, aVL
1. D. I, aVI. The RCA perfuses the inferior wall and the mirror image or
reciprocal change will be seen in the high latera wall, which is reflected in leads
I, and aVL, on the 12-Lead ECG. Leads V1 and V2 correlate with the septal area,
leads V3 and V4 correlate With the anterior area of the heart. The aVR lead
does not provide much diagnostic value as all energy is depolarizing away
from this lead.
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You are summoned to the room of a 30-year-old female who is experiencing
sustained tonic-clonic convulsions while sitting in a chair. A family member
states: "She was just talking to us and suddenly she let out a shriek and
started flopping like a fish out of water." What is your initial priority of care?
A. Call for help and safely guide the patient to the floor
B. Call for help and administer a prescribed antiepileptic
C. Call for help and administer a prescribed benzodiazepine
D. Call for help and monitor the course of the seizure
A. Call for help and safely guide the patient to the
floor Patient Safety is priority
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A 46-year-old patient presents with pneumonia and sepsis.
He was treated with 4 days of antibiotics and IV fluids. He is increasingly short
of breath and is now on 100% FiO, via non-re-breather mask. You obtain an
ABG with the following results: pH 7.20 / PaCO, 68/ PaO, 102/ HCO, 28. A chest
x-ray reveals bilateral pulmonary infiltrates. The patient is likely developing:
A. Worsening pneumonia
B. Acute Respiratory Distress Syndrome
C. Pulmonary embolus
D. Atelectasis
B. Acute Respiratory Distress Syndrome
A 56-year-old male is admitted to the PCU with a hypertensive crisis. His blood
pressure is now 205/125 mm Hg and he is complaining of a headache with
nausea. He reports he ran out of blood pressure medication three days ago,
but also appears to be confused to the date and situation. What is the most
appropriate treatment approach?
A. Rapidly lower the systolic pressure to 100 mm Hg with IV antihypertensive
medication, then gradually reduce the diastolic pressure to 85 mm Hg with oral
antihypertensive medications
B. Slowly lower the systolic pressure to 120 mm Hg with IV antihypertensive
medications, then switch to oral antihypertensive medications for maintenance
C. Rapidly lower the diastolic pressure to 100 mm Hg with IV antihypertensive
medications, then continue to gradually reduce the diastolic pressure to 85 mm
Hg with oral antihypertensive medications
D. Slowly lower the diastolic pressure to 85 mm
C. Rapidly lower the diastolic pressure to 100 mm Hg with IV antihypertensive
medications, then continue to gradually reduce the diastolic pressure to 85 mm
Hg with oral antihypertensive medication
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5. Which of the following labs must be closely monitored when administering
Lisinopril to a patient with systolic heart failure?
A. Sodium
B. Phosphate
C. Magnesiu
mD
Potassium
D. Potassium
Patients taking angiotensin converting enzyme inhibitors may experience
hyperkalemia. ACE inhibitors block angiotensin II, which may lead to
decreased aldosterone.
Aldosterone is responsible forexcreting potassium from the kidneys. Therefore,
ACE inhibitors can cause potassium retension and potassium levels should be
monitored closely. In addition, renal labs such as BUN and creatinine should be
monitored. If the patient develops more than a 20% increase in the creatinine,
the medication should be discontinued.
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