Nokea
The nurse is preparing to administer a dose of digoxin (Lanoxin) to a child in heart failure (HF). Which is a beneficial effect of administering digoxin (Lanoxin)?
- A. It decreases edema.
- B. It decreases cardiac output.
- C. It increases heart size.
- D. It increases venous pressure.
Correct Answer: A
Rationale: Digoxin has a rapid onset and is useful for increasing cardiac output, decreasing venous pressure, and, as a result, decreasing edema. Cardiac output is increased by digoxin. Heart size and venous pressure are decreased by digoxin.
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Recognised causes of stroke in children include:
- A. Sickle cell disease
- B. Cystinuria
- C. SLE
- D. Left-to-right shunts
Correct Answer: A
Rationale: Sickle cell disease can cause stroke in children due to the sickled cells blocking blood flow to the brain.
Superior axis in ECG seen in
- A. AV canal defects
- B. Ebstein anomaly
- C. Tricuspid atresia
- D. Single ventricle
Correct Answer: B
Rationale: Ebstein's anomaly causes superior axis deviation on ECG.
The differential diagnosis of the patient includes all of the following EXCEPT
- A. rheumatic fever
- B. SLE
- C. chronic atrial fibrillation
- D. postmeningococcal immune complexes
Correct Answer: C
Rationale: Chronic atrial fibrillation is unlikely in an 8-year-old with acute onset symptoms.
A fair-skinned female client who is an avid runner is diagnosed with malignant melanoma, located on the lateral surface of the lower leg. After wide margin resection, the nurse provides discharge teaching. It is most important for the nurse to emphasize the need to observe for changes in which characteristic?
- A. Elasticity of the skin
- B. Appearance of any moles
- C. Muscle aches and pains
- D. Pigmentation of the skin
Correct Answer: B
Rationale: Monitoring for changes in moles is critical for early detection of new or recurrent melanoma, which is essential for timely intervention.
Of the following, the cardiac lesion resulting in increased volume load is
- A. valvular pulmonic stenosis
- B. patent ductus arteriosus
- C. valvular aortic stenosis
- D. mitral stenosis
Correct Answer: B
Rationale: Patent ductus arteriosus leads to increased volume load on the left side of the heart.