A nurse is teaching a newly licensed nurse about evaluating a cardiac rhythm. Which of the following options should the nurse identify as the P wave in the ECG complex? (You will find hot spots to select in the artwork below. Select only the hot spot that corresponds to your answer.)
The Correct Answer is "{\"xRanges\":[56.64581298828125,96.64581298828125],\"yRanges\":[110.33331298828125,150.33331298828125]}"
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. The normal P-R interval ranges from 0.12 to 0.20 seconds. A P-R interval longer than 0.20 seconds is considered prolonged and may indicate a first-degree AV block.
B. The T wave represents ventricular repolarization. Normally, the T wave is upright in most leads. An inverted T wave can indicate various conditions, including ischemia, electrolyte imbalances, or other abnormalities
C. The normal QRS duration ranges from 0.06 to 0.10 seconds. A QRS duration greater than 0.10 seconds indicates a delay in ventricular conduction, which could be due to a bundle branch block or other conduction abnormalities.
D. In a normal sinus rhythm, the P wave should consistently appear before each QRS complex. This reflects proper atrial depolarization followed by ventricular depolarization. This pattern indicates that the heart's electrical impulses are originating from the sinus node and are being properly conducted through the AV node to the ventricles.
Correct Answer is ["0.5"]
Explanation
- Convert the prescribed dose of digoxin from micrograms to milligrams
1 mg equals 1000 mcg.
Therefore, 125 mcg is equivalent to 0.125 mg.
Since the available tablets are 0.25 mg each, you would divide the required dose (0.125 mg) by the strength of the available tablet (0.25 mg).
This calculation results in 0.5
The nurse should administer half a tablet per dose.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today