CCRN EXAM LATEST 2024-2025 ACTUAL EXAM
QUESTIONS AND CORRECT DETAILED ANSWERS
WITH RATIONALES|ALREADY GRADED A+
Terms in this set (41)
A 59 year old male is (B)Coronary artery reperfusion due to PCI or
admitted complaining of fibrinolysis results in an ELEVATION of creatinine
chest pain and dyspnea. kinase (CK) or troponin, not decrease. The theory is
ST elevation and T wave that the return of blood flow distal to the occlusion
inversion were seen on can result in 'reperfusion injury' of the muscle,
the EKG in V2,V3 and V4. elevating cardiac biomarkers.
IV thrombolytic therapy The other 3 choices are indicators of reperfusion: Pain
was started in ED. cessation, reversal of ST segment elevation with return
Indications of successful to baseline, short runs of ventricular tachycardia.
reperfusion would include
all of the following except:
(A) pain cessation
(B) decrease in CK or
troponin
(C) reversal of ST segment
elevation with return to
baseline
(D) short runs of
ventricular tachycardia
, (C) The patient in the scenario is having an acute
anterior wall MI. A beta blocker is beneficial for an
Which of the following
acute MI as these agents decrease the work of the
medication orders should
heart and increase the threshold for ventricular
the nurse question for the
fibrillation. Propranolol, although a beta-andrenergic
patient in question 1-
blocker like metoprolol, is NOT a cardioselective beta
reperfusion question-
blocker. It affects beta receptors in heart muscle AND
patient having an MI?
lung tissue. Therefore, it is more likely to cause
(A) metoprolol (Lopressor)
bronchoconstriction than a cardioselective beta
(B) aspirin
blocker.
(C) propranolol (Inderal)
The other 3- cardioselective beta blocker,
(D) heparin
antiplatelet, and anticoagulation-are indicated in an
acute MI.
If heart block develops (C) The patient is having an acute anterior MI, which is
while caring for the generally due to LAD occlusion. The LAD supplies the
patient in question 1 (pt HIS bundle, which could result in a second-degree,
with an MI who went type II heart block. The other 3 types are due to SA
through reperfusion from node or AV node ischemia, which generally occur with
PCI or fibrinolytic an RCA occlusion — interior wall MI.
therapy), which of the
following would it most
likely be?
(A) sinoatrial block
(B) second degree, Type I
(C) second degree, Type II
(D) third degree, complete
, Appropriate drug therapy (D) Dilated cardiomyopathy is likely to result in
for dilated systolic dysfunction, which decreases contractility,
cardiomyopathy is aimed causes compensatory arterial constriction , and
toward: results in a higher left ventricular preload. To treat this,
(A) decreasing therapy is aimed at increasing contractility, decreasing
contractility and afterload (arterial constriction), and decreasing
decreasing preload and preload that is too high.😃
afterload
(B) decreasing contractility
and increasing preload
and afterload
(C) increasing contractility
and increasing both
preload and afterload
(D) increasing contractility
and decreasing both
preload and afterload
An 18 year old is admitted (A) Abnormal sodium does NOT cause QT
with a history of syncopal prolongation. In contrast, a low magnesium,
episode at the mall and potassium, or calcium, may cause QT prolongation
has a history of an eating and may result in TORSADES DE POINTES ventricular
disorder. The nurse notes tachycardia and, if self-limiting, transient syncopal
a prolonged QT on the 12- episodes.
lead EKG and anticipates a
reduction in an electrolyte
to be the cause. Which of
the following is LEAST
likely to cause this
patient's problems?
(A) sodium
(B) magnesium
(C) potassium
(D) calcium
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