In an Electrocardiogram EKG tracing the P wave represents?
Ventricular Repolarization
Left arterial pressure
Ventricular Depolarization
Atrial Depolarization
The Correct Answer is D
A. Ventricular repolarization is represented by the T wave on an EKG.
B. Left arterial pressure is not represented by any specific EKG waveform.
C. Ventricular depolarization is represented by the QRS complex on an EKG.
D. The P wave represents atrial depolarization, which is the electrical activity that initiates atrial contraction.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Aortic murmurs: These are best assessed with the client in an upright or slightly leaning forward position, not specifically the left lateral position.
B. Atrial repolarization: This is not directly assessed by body position; it is part of the ECG assessment.
C. The first heart sound: The first heart sound (S1) is heard throughout the auscultation process and is not specifically enhanced by a left lateral position.
D. Mitral stenosis: The left lateral position allows better auscultation of the mitral area, where mitral stenosis murmurs are best heard.
Correct Answer is A
Explanation
A. Posterior tibial: The posterior tibial pulse is palpated just behind the medial malleolus of the ankle, near the Achilles tendon.
B. Femoral: The femoral pulse is located in the groin area, where the femoral artery passes.
C. Popliteal: The popliteal pulse is palpated behind the knee in the popliteal fossa.
D. Dorsalis pedis: The dorsalis pedis pulse is located on the top of the foot, near the first metatarsal.
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