How should the nurse interpret the rhythm shown on the electrocardiogram strip shown in the diagram?
asystole
ventricular fibrillation
sinus tachycardia
sinus bradycardia
The Correct Answer is B
A. Asystole: Asystole would show a flat line with no electrical activity, which is not seen here.
B. Ventricular fibrillation: Ventricular fibrillation is characterized by chaotic, irregular waveforms without distinct P waves, QRS complexes, or T waves. The ECG strip shows this disorganized, erratic electrical activity consistent with ventricular fibrillation.
C. Sinus tachycardia: Sinus tachycardia would display a regular rhythm with identifiable P waves, QRS complexes, and T waves at a faster rate. This is not present in the ECG strip.
D. Sinus bradycardia: Sinus bradycardia would show a slower rate but with an organized rhythm and distinct P, QRS, and T waves. This is not indicated in the strip.
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Correct Answer is D
Explanation
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C. A papule is an elevated, solid lesion that is less than 0.5 cm in diameter; lesions larger than this would not be classified as papules.
D. A patch is defined as a flat, non-palpable lesion larger than 0.5 cm, and psoriasis can present as patches. Thus, the lesions described fit this classification.
Correct Answer is A
Explanation
A. Having the child bend at the waist allows the nurse to observe the spine for any abnormal curvature indicative of scoliosis, such as uneven shoulders or a rib hump.
B. Measuring the distance between the knees and the ankles is not a technique used to screen for scoliosis; it is more related to assessing leg length discrepancies.
C. Measuring the length of each leg does not assess for scoliosis but is more relevant for evaluating leg length inequalities.
D. Asking the child to walk across the room is useful for assessing gait and balance but does not directly assess for scoliosis.