Nokea
The process by which a heart is shocked from a persistent arrhythmia back into sinus rhythm is called a
Correct Answer: cardioversion
Rationale: Cardioversion is the restoration of the heart's normal sinus rhythm with the delivery of synchronized electric shock.
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Which assessment would lead the nurse to examine the leg closely for evidence of a stasis ulcer?
- A. Cool dry lower limb
- B. Darker, thick and toughened skin on medial surface of the leg
- C. Lack of hair and shiny appearance of the lower leg
- D. Lack of a pedal pulse
Correct Answer: B
Rationale: Signs of a venous disorder include darker, thick and toughened skin. Venous disorders can lead to a stasis ulcer. Cool hairless limbs with absent or weak pedal pulses are indicative of arterial insufficiency.
A patient is admitted from the emergency department. The emergency department health care provider notes the patient has a diagnosis of heart failure with a New York Heart Association (NYHA) classification of IV. This indicates the patient has which class of heart failure?
- A. moderate heart failure.
- B. severe heart failure.
- C. congestive heart failure.
- D. negligible heart failure.
Correct Answer: B
Rationale: Class IV: Severe; patient unable to perform any physical activity without discomfort. Angina or symptoms of cardiac inefficiency may develop at rest.
When assessing a patient with a possible myocardial infarction (MI), which sign or symptom should the nurse assess for?
- A. Pain radiating to left arm and jaw
- B. Visual Hallucinations
- C. Pallor
- D. Diaphoresis
- E. Apprehension
- F. Dyspnea
Correct Answer: A,C,D,E,F
Rationale: Pain radiating to the left arm and jaw, pallor, diaphoresis, apprehension/anxiety and dyspnea are signs and symptoms present in patients with an MI.
What is the third step in the impulse pattern of conduction through the heart?
- A. Atrial wall
- B. Atrial-ventricular (AV) node
- C. Purkinje fibers
- D. Sinoatrial (SA) node
- E. Bundle branches
- F. Bundle of His
Correct Answer: B
Rationale: The conduction begins with the impulse from the SA node that travels down the atrial wall to the AV node, to the Bundle of His, to the bundle branches, and finally to the Purkinje fibers.
The nurse reinforcing a teaching plan for a patient with Buerger disease (thromboangiitis obliterans) will focus on the need for which change?
- A. reduction of alcohol intake.
- B. avoiding cold remedies.
- C. cessation of smoking.
- D. weight reduction.
Correct Answer: C
Rationale: The hazards of cigarette smoking and its relationship to Buerger disease are the primary focus of patient teaching. None of the palliative treatments are effective if the patient does not stop smoking. Nowhere are the cause and effect of smoking so dramatically seen as with Buerger disease.