Mixed Deck — All Cardiac Vascular Nursing Exam Topics Flashcards

The heart gained volume again. At the end of the diastole, pressure is put on the ventricle walls.

Answer: FALSE

The statement describes the heart gaining volume and pressure on the ventricle walls at the end of diastole, which is a normal physiological process known as ventricular filling and preload. Preload refers to the stretch of the ventricular muscle fibers at the end of diastole, caused by the volume of blood in the ventricles. Therefore, the statement accurately describes a normal cardiac event, making the assertion 'FALSE' incorrect from a physiological standpoint.

When teaching a patient about recognizing signs of deep vein thrombosis (DVT), which symptom should the nurse emphasize as the MOST classic presentation?

Answer: Unilateral calf pain, swelling, and warmth

Classic DVT presentation includes unilateral calf pain, swelling, warmth, and erythema, which patients must recognize to seek immediate care.

A post-operative cardiac surgery patient is being transferred from the ICU to a step-down unit. Which handoff strategy most effectively reduces information loss during this high-risk transition?

Answer: Conduct a face-to-face bedside handoff using a standardized tool with both sending and receiving nurses present at the patient's side

Bedside face-to-face handoffs using standardized tools allow real-time clarification, direct patient involvement, and verification of equipment, reducing errors during high-risk ICU transitions.

What role does peer review play in Cardiac Vascular Nursing Exam practice?

Answer: It provides quality assurance and professional development through collegial evaluation

This is fundamental to Cardiac Vascular Nursing Exam practice. It provides quality assurance and professional development through collegial evaluation represents the professional standard for professional standards in the Cardiac Vascular Nursing Exam certification framework.

A patient in a research study says they no longer want the medication as the cardio-vascular nurse gets ready to give them an experimental heart medication. The patient is informed by the nurse that:

Answer: He or she has a right to refuse the medication and to withdraw from the study

Patients participating in research studies have fundamental ethical and legal rights, including the right to informed consent and the right to withdraw from the study at any time. The nurse's role is to uphold these rights and ensure the patient's autonomy is respected without coercion. Therefore, informing the patient of their right to refuse and withdraw is the most appropriate and ethical response.

What is the significance of a code of conduct for Cardiac Vascular Nursing Exam professionals?

Answer: It establishes expected behaviors and ethical standards that protect the public and profession

This is fundamental to Cardiac Vascular Nursing Exam practice. It establishes expected behaviors and ethical standards that protect the public and profession represents the professional standard for professional standards in the Cardiac Vascular Nursing Exam certification framework.

A nurse is evaluating a study reporting a relative risk reduction (RRR) of 50% for statin therapy. The control group event rate is 4%. What is the absolute risk reduction (ARR)?

Answer: 2%

ARR = control event rate × RRR = 4% × 50% = 2%, meaning the absolute difference in event rates between groups is 2%.

When communicating a critical lab value (e.g., potassium of 2.8 mEq/L) for a cardiac patient to a physician, which documentation practice is required after the verbal report?

Answer: Document the time, value reported, name of provider notified, orders received, and read-back confirmation

Complete documentation of critical value communication — including read-back, time, and provider name — creates a clear safety record and meets Joint Commission standards.

What is the role of professional journals in Cardiac Vascular Nursing Exam practice?

Answer: They disseminate current research, best practices, and professional developments

This is fundamental to Cardiac Vascular Nursing Exam practice. They disseminate current research, best practices, and professional developments represents the professional standard for research in the Cardiac Vascular Nursing Exam certification framework.

During interpretation of a dobutamine stress echocardiogram, which finding indicates viable but hibernating myocardium?

Answer: Wall motion improves at low-dose dobutamine but worsens at high dose (biphasic response)

The biphasic response—improvement at low-dose dobutamine demonstrating contractile reserve, followed by worsening at higher doses from ischemia—identifies hibernating myocardium that will recover with revascularization.

On a rhythm strip, a nurse identifies a pattern where the PR interval progressively lengthens until a P wave fails to conduct (dropped QRS). Which dysrhythmia is this?

Answer: Second-degree AV block, Mobitz Type I (Wenckebach)

Wenckebach block is characterized by progressive PR prolongation due to increasing AV node fatigue until a beat is blocked, then the cycle resets with a shorter PR interval.

Which pharmacological property of digoxin makes narrow therapeutic index monitoring essential?

Answer: Digoxin has a narrow margin between therapeutic and toxic plasma concentrations, with toxicity enhanced by hypokalemia

Therapeutic digoxin levels (0.5–2 ng/mL) are close to toxic levels, and hypokalemia sensitizes the Na/K-ATPase pump to digoxin, dramatically increasing toxicity risk.

A cardiac nurse wants to implement a new evidence-based protocol for post-PCI care. Which framework is MOST appropriate for guiding this practice change?

Answer: Iowa Model of Evidence-Based Practice

The Iowa Model provides a stepwide framework specifically designed to guide evidence-based practice changes in clinical settings, including trigger identification, team formation, and pilot testing.

Which cardiac biomarker pattern is most consistent with an acute MI that occurred approximately 24-48 hours before the laboratory draw?

Answer: Elevated troponin I with near-peak CK-MB that is beginning to decline

Troponin I remains elevated for 7–14 days after MI, while CK-MB peaks at 24 hours and returns to normal by 48–72 hours; at 24–48 hours both remain elevated but CK-MB is declining.

A patient asks why they need to take a statin even though their cholesterol 'is not that high.' What is the nurse's BEST response?

Answer: Statins reduce cardiovascular risk beyond cholesterol-lowering through anti-inflammatory and plaque-stabilizing effects

Statins provide pleiotropic effects including anti-inflammatory activity and plaque stabilization that reduce cardiovascular events independent of absolute cholesterol levels.

A researcher conducts a Delphi study to establish consensus on best practices for cardiac telemetry monitoring. Which characteristic is UNIQUE to the Delphi method?

Answer: Uses iterative anonymous expert rounds with controlled feedback

The Delphi method uses multiple rounds of anonymous expert surveys with summarized group feedback after each round to build consensus while preventing group-think.

Which monitoring parameter is most critical for a patient starting sacubitril/valsartan (Entresto) for heart failure?

Answer: Blood pressure and renal function, as hypotension and worsening renal function are primary concerns

Sacubitril/valsartan lowers blood pressure significantly and can reduce renal perfusion; blood pressure and creatinine/potassium levels must be monitored at initiation and dose titration.

How should Cardiac Vascular Nursing Exam professionals prioritize identified risks?

Answer: Based on likelihood of occurrence combined with severity of potential impact

This is fundamental to Cardiac Vascular Nursing Exam practice. Based on likelihood of occurrence combined with severity of potential impact represents the professional standard for risk management in the Cardiac Vascular Nursing Exam certification framework.

What distinguishes quality assurance from quality control in Cardiac Vascular Nursing Exam practice?

Answer: QA focuses on preventing defects through process improvement while QC detects defects through inspection

This is fundamental to Cardiac Vascular Nursing Exam practice. QA focuses on preventing defects through process improvement while QC detects defects through inspection represents the professional standard for quality in the Cardiac Vascular Nursing Exam certification framework.

On a Holter monitor report, the nurse identifies frequent multifocal premature ventricular contractions (PVCs) in a patient with known cardiomyopathy. What is the clinical significance?

Answer: Frequent multifocal PVCs in structural heart disease indicate increased risk of ventricular tachycardia and sudden cardiac death

In patients with structural heart disease, frequent or complex PVCs (multifocal, couplets, or runs) are associated with significantly increased risk of sustained VT and sudden cardiac death.