Question

What is the priority nursing intervention for a client with a heart rate of 52 beats per minute?

Answer 1

Correct Answers:

Assess the client for symptoms

Rationale :

♦️A heart rate of 52 bpm indicates bradycardia, which may be benign or symptomatic depending on the patient's condition and perfusion status.

♦️The first nursing action is to assess for signs of poor perfusion—such as dizziness, hypotension, chest pain, shortness of breath, or altered level of consciousness—to determine if the bradycardia is clinically significant.

♦️If the client is asymptomatic, no immediate pharmacologic or pacing intervention is necessary; continuous monitoring and evaluation for possible causes (e.g., beta-blocker use, vagal stimulation, or hypoxia) are appropriate.

♦️If symptoms are present, the nurse should promptly notify the provider and prepare for possible atropine administration or temporary pacing per ACLS protocol.

♦️Assessment always precedes intervention to avoid unnecessary treatment and to tailor care to the patient’s specific clinical picture.

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Answer 2

Correct Answers:

Assess the color and temperature of the left leg

Rationale :

🔷A weak pedal pulse after femoral catheterization may signal arterial obstruction, hematoma formation, or thrombus development, which can compromise distal circulation.

🔷The priority nursing action is to assess circulation, including color, temperature, capillary refill, sensation, and movement of the affected limb.

🔷These findings help determine whether perfusion is adequate or if arterial occlusion is developing—a potential medical emergency requiring prompt provider notification.

🔷Documenting this baseline comparison to the opposite limb aids in early detection of vascular compromise and prevents tissue ischemia.

🔷Interventions such as compression or increased IV fluids should never be initiated before a full assessment confirms the cause.

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Answer 3

Correct Answers:

Inflammation

Rationale :

💠Inflammation is the primary initiating event in the pathogenesis of atherosclerosis.

💠Endothelial injury—caused by hypertension, hyperlipidemia, smoking, or diabetes—triggers an inflammatory response in the arterial wall.

💠This leads to the recruitment of macrophages and T lymphocytes, which release cytokines and promote oxidation of LDL cholesterol.

💠The oxidized LDL becomes trapped under the endothelium, forming foam cells and fatty streaks, marking the earliest visible stage of atherosclerosis.

💠Over time, continued inflammation results in fibrous plaque formation and arterial narrowing, impairing blood flow and oxygen delivery.

💠Understanding this process guides preventive strategies—such as lipid control, smoking cessation, and anti-inflammatory lifestyle modifications—to reduce cardiovascular risk.

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Answer 4

Correct Answers

High Total Cholesterol =285 [ Modifiable ]
Hypertension [ Modifiable ]
Age [ Non-Modifiable ]
Tobacco Use [ Modifiable ]
Family History [ Non-Modifiable ]

Rationale :

High Total Cholesterol = 285 mg/dL → Modifiable Risk Factor

✔️A total cholesterol level above 200 mg/dL is considered high and directly contributes to atherosclerotic plaque formation in coronary arteries.

✔️Excess LDL cholesterol penetrates the arterial intima, becoming oxidized and triggering inflammatory reactions that lead to plaque buildup.

✔️Because cholesterol can be lowered through dietary modification, exercise, weight control, and lipid-lowering medications (e.g., statins), it is a modifiable risk factor.

✔️Controlling dyslipidemia greatly reduces the risk of myocardial infarction and coronary artery narrowing.

Hypertension → Modifiable Risk Factor

✔️Chronic high blood pressure damages the arterial endothelium, making vessels more prone to lipid infiltration and plaque formation.

✔️It increases afterload on the heart, leading to left ventricular hypertrophy and higher myocardial oxygen demand.

✔️Since hypertension can be effectively managed with lifestyle changes (dietary sodium restriction, exercise, weight loss, stress control) and medications, it is modifiable.

✔️Maintaining optimal blood pressure helps slow the progression of atherosclerosis and prevent cardiac complications.

Age → Non-Modifiable Risk Factor

✔️Advancing age naturally leads to vascular stiffening, endothelial dysfunction, and increased plaque formation.

✔️CAD risk significantly increases in men over 45 years and women over 55 years (post-menopause) due to loss of estrogen’s cardioprotective effects.

✔️Because age cannot be changed, it is a non-modifiable risk factor; however, awareness promotes early screening and preventive measures.

✔️ Focus should shift to controlling modifiable lifestyle factors to offset age-related risks.

Tobacco Use → Modifiable Risk Factor

✔️Smoking accelerates endothelial injury and promotes vasoconstriction, platelet aggregation, and reduced oxygen delivery to tissues.

✔️ Nicotine increases catecholamine release, raising heart rate and blood pressure, while carbon monoxide reduces oxygen binding capacity.

✔️Quitting tobacco use immediately begins to lower CAD risk, improving vascular function within weeks.

✔️It is one of the most preventable contributors to coronary artery disease.

Family History → Non-Modifiable Risk Factor

✔️A family history of premature CAD (male relative <55 years, female relative <65 years) increases individual risk due to genetic predisposition and shared environmental influences.

✔️Inherited factors such as lipid metabolism disorders or hypertension susceptibility cannot be altered.

✔️Although non-modifiable, this risk underscores the need for early lifestyle intervention and routine cardiac screening.

✔️Nurses should emphasize modifiable lifestyle changes to offset genetic vulnerability.

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Answer 5

Correct Answers:

80 beats per minute

Rationale :

💠A 6-second ECG strip is used for quick rate estimation — each strip equals 30 large boxes (since paper runs at 25 mm/sec).

💠To calculate the heart rate, the nurse counts the number of QRS complexes within that 6-second interval and multiplies by 10 to approximate beats per minute.

💠In the provided strip, there are 8 QRS complexes in 6 seconds.

💠Thus, 8 complexes×10=80 beats per minute.

💠This rhythm shows a normal sinus rhythm, as both rate (60–100 bpm) and regularity appear normal, indicating stable cardiac conduction.

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Answer 6

Correct Answers:

Ventricular Fibrillation

Rationale :

🟠The ECG strip shows chaotic, irregular, and disorganized electrical activity with no identifiable P waves, QRS complexes, or T waves, which are the hallmark findings of ventricular fibrillation.

🟠In VFib, the ventricles quiver ineffectively instead of contracting, leading to no cardiac output and immediate loss of consciousness if not treated.

🟠This rhythm is a medical emergency — the patient is pulseless and apneic, requiring immediate defibrillation and initiation of cardiopulmonary resuscitation (CPR).

🟠The goal of management is to restore organized electrical activity and effective perfusion through defibrillation, epinephrine administration, and advanced cardiac life support (ACLS) protocols.

🟠Without prompt intervention, VFib rapidly progresses to asystole and death.

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Answer 7

Correct Answers:

Ventricular Tachycardia.

Rationale :

🟣The ECG strip shows wide, regular, rapid QRS complexes occurring at a rate typically between 150–250 beats per minute, characteristic of ventricular tachycardia.

🟣This rhythm originates from a single, irritable focus in the ventricles, causing loss of coordinated atrial and ventricular activity.

🟣The absence of P waves and the presence of uniform, broad QRS complexes confirm the ventricular origin.

🟣Sustained VTach is a life-threatening dysrhythmia that can quickly progress to ventricular fibrillation if not treated promptly.

🟣The nurse should immediately assess for a pulse — if pulseless, initiate CPR and defibrillation; if pulse present but unstable, prepare for synchronized cardioversion per ACLS guidelines.

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Answer 8

Correct Answers:

Speech alterations.

Rationale :

☑️In atrial fibrillation (AFib), the atria quiver chaotically rather than contracting effectively, leading to stagnant blood flow and increased risk for thrombus (clot) formation, especially in the left atrial appendage.

☑️If a clot dislodges, it can travel to the cerebral circulation, causing an embolic stroke — one of the most serious complications of AFib.

☑️Speech alterations, such as slurred speech or sudden difficulty speaking, are classic warning signs of cerebral embolism and should be treated as a neurologic emergency.

☑️Prompt recognition and rapid response (activation of stroke protocols and neurologic evaluation) are essential to minimize brain injury.

☑️Anticoagulation therapy (e.g., warfarin, apixaban, or dabigatran) is commonly used to reduce embolic risk in patients with AFib.

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Answer 9

Correct Answers:

A short period of asystole

Rationale :

♦️Adenosine briefly blocks AV nodal conduction, interrupting the re-entry pathway that causes Supraventricular Tachycardia (SVT).

♦️This results in a short, transient period of asystole or bradycardia (usually lasting only a few seconds) before normal sinus rhythm resumes.

♦️The nurse should warn the patient about feeling flushed, dizzy, or having a "chest pressure" sensation during administration.

♦️Continuous ECG monitoring and resuscitative equipment must be available, as adenosine has an ultrashort half-life (<10 seconds).

♦️The goal is to restore sinus rhythm by resetting AV nodal activity.

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Answer 10

Correct Answers:

"Blood clots form more easily in artificial replacement valves."

Rationale :

✅Mechanical prosthetic valves are non-biologic surfaces, making them thrombogenic because platelets and fibrin easily adhere to them.

✅Lifelong anticoagulant therapy (e.g., warfarin) is necessary to prevent thromboembolism, stroke, or valve obstruction.

✅The foreign surface triggers continuous activation of the clotting cascade, unlike natural tissue valves.

✅Regular INR monitoring ensures therapeutic anticoagulation without excessive bleeding risk.

✅Education includes medication adherence, diet consistency (vitamin K control), and bleeding precautions.

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Prompts	Modifiable	Non-Modifiable	Not A Risk Factor
High Total Cholesterol =285
Hypertension
Age
Tobacco Use
Family History

Exam 3 - Cardiac FA25

No.

1 :
What is the priority nursing intervention for a client with a heart rate of 52 beats per minute?

2 :
A nurse assesses a client 2 hours after a cardiac catheterization via the left femoral artery. The nurse notes that the left pedal pulse is weak. Which action should the nurse take?

3 :
Which of the following is an early contributory factor to the underlying process in the development of atherosclerosis?

4 :
For each of the following, select either Modifiable Risk Factor, Non-Modifiable Risk Factor, or Is Not A Risk Factor for Coronary Artery Disease.

Correct Answers

5 :
The nurse is measuring the client's ECG strip. What is the approximate ventricular rate noted on the six-second strip?

6 :
The nurse is responding to a rapid response call and observes the following ECG rhythm. The nurse knows which dysrhythmias is displayed?

7 :
The nurse performs hourly rounding and finds the client unresponsive. The nurse observes which lethal rhythm on the monitor?

8 :
A nurse assesses a client with the following cardiac rhythm and realizes that the patient is in atrial fibrillation. Which manifestation should alert the nurse to the possibility of a serious complication from this condition?

9 :
A nurse prepares to administer Adenosine to a client for Supraventricular Tachycardia. Which response to this medication is an expected therapeutic response?

10 :
A nurse cares for a client recovering from prosthetic valve replacement surgery. The client asks, "Why will I need to take anticoagulants for the rest of my life?" How should the nurse respond?

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Exam 3 - Cardiac FA25

No.

1 : What is the priority nursing intervention for a client with a heart rate of 52 beats per minute?

2 : A nurse assesses a client 2 hours after a cardiac catheterization via the left femoral artery. The nurse notes that the left pedal pulse is weak. Which action should the nurse take?

3 : Which of the following is an early contributory factor to the underlying process in the development of atherosclerosis?

4 : For each of the following, select either Modifiable Risk Factor, Non-Modifiable Risk Factor, or Is Not A Risk Factor for Coronary Artery Disease.

Correct Answers

5 : The nurse is measuring the client's ECG strip. What is the approximate ventricular rate noted on the six-second strip?

6 : The nurse is responding to a rapid response call and observes the following ECG rhythm. The nurse knows which dysrhythmias is displayed?

7 : The nurse performs hourly rounding and finds the client unresponsive. The nurse observes which lethal rhythm on the monitor?

8 : A nurse assesses a client with the following cardiac rhythm and realizes that the patient is in atrial fibrillation. Which manifestation should alert the nurse to the possibility of a serious complication from this condition?

9 : A nurse prepares to administer Adenosine to a client for Supraventricular Tachycardia. Which response to this medication is an expected therapeutic response?

10 : A nurse cares for a client recovering from prosthetic valve replacement surgery. The client asks, "Why will I need to take anticoagulants for the rest of my life?" How should the nurse respond?

1 :
What is the priority nursing intervention for a client with a heart rate of 52 beats per minute?

2 :
A nurse assesses a client 2 hours after a cardiac catheterization via the left femoral artery. The nurse notes that the left pedal pulse is weak. Which action should the nurse take?

3 :
Which of the following is an early contributory factor to the underlying process in the development of atherosclerosis?

4 :
For each of the following, select either Modifiable Risk Factor, Non-Modifiable Risk Factor, or Is Not A Risk Factor for Coronary Artery Disease.

5 :
The nurse is measuring the client's ECG strip. What is the approximate ventricular rate noted on the six-second strip?

6 :
The nurse is responding to a rapid response call and observes the following ECG rhythm. The nurse knows which dysrhythmias is displayed?

7 :
The nurse performs hourly rounding and finds the client unresponsive. The nurse observes which lethal rhythm on the monitor?

8 :
A nurse assesses a client with the following cardiac rhythm and realizes that the patient is in atrial fibrillation. Which manifestation should alert the nurse to the possibility of a serious complication from this condition?

9 :
A nurse prepares to administer Adenosine to a client for Supraventricular Tachycardia. Which response to this medication is an expected therapeutic response?

10 :
A nurse cares for a client recovering from prosthetic valve replacement surgery. The client asks, "Why will I need to take anticoagulants for the rest of my life?" How should the nurse respond?