Nokea
Which among the following is a correct description for the condition 'mitral arcade'?
- A. Absent chordal insertions
- B. Absent papillary muscles
- C. Fused papillary muscles
- D. Elongated papillary muscles
Correct Answer: C
Rationale: Mitral arcade is characterized by fused papillary muscles.
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Hypertrophic obstructive cardiomyopathy
- A. Causes LV outflow tract obstruction
- B. Occurs after adenoviral infection
- C. Commonly occurs in infancy
- D. Double apical impulse
Correct Answer: A
Rationale: Hypertrophic obstructive cardiomyopathy primarily causes left ventricular outflow tract obstruction.
A client's telemetry monitor indicates ventricular fibrillation (VF). After delivering one counter shock, the nurse resumes chest compression. After another minute of compressions, the client's rhythm converts to supraventricular tachycardia (SVT) on the monitor. At this point, what is the priority intervention for the nurse?
- A. Prepare for transcutaneous pacing
- B. Deliver another defibrillator shock
- C. Administer IV Epinephrine per ACLS protocol
- D. Give IV dose of adenosine rapidly over 1-2 seconds
Correct Answer: D
Rationale: SVT can be treated by rapidly administering adenosine to restore normal sinus rhythm.
The most common indication of heart transplantation in the neonate is
- A. Hypoplastic left heart syndrome
- B. Hypoplastic right heart syndrome
- C. Severe Ebstein's anomaly
- D. Dilated cardiomyopathy
Correct Answer: A
Rationale: Hypoplastic left heart syndrome is the most common indication for heart transplantation in neonates.
A nurse assesses an older adult client who has multiple chronic diseases. The client’s heart rate is 48 beats/min. Which action should the nurse take first?
- A. Document the finding in the chart.
- B. Initiate external pacing.
- C. Assess the client’s medications.
- D. Administer 1 mg of atropine.
Correct Answer: C
Rationale: A heart rate of 48 beats/min (bradycardia) in an older adult with multiple chronic diseases may be due to medication side effects. Assessing the client’s medications is the first step to determine if any drugs are contributing to the bradycardia.
Concerning tetanus:
- A. The infection is usually fatal
- B. The muscle spasms are often localized
- C. Immunization confers lifelong immunity
- D. Incubation period is usually weeks
Correct Answer: C
Rationale: Immunization with the tetanus toxoid provides long-lasting immunity, though booster shots are recommended to maintain protection.