Concerning heart sounds,
A) the first heart sound occurs at the beginning of atrial systole.
B) a heart murmur is caused by abnormal sounds associated with leaky or incompetent valves.
C) the first heart sound is the sound of the semilunar valves closing.
D) the second heart sound is the sound of the blood flowing back into the heart.
E) the first heart sound is the sound of the atrioventricular valves opening.
Correct Answer:
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Q21: Q27: Q28: Q29: Ventricular systole: Q39: Which of the following is true of Q43: Given these structures: 1) AV node Q44: Repolarization of the ventricles is shown as Q48: Tachycardia occurs when Q50: On an ECG, a long P-R interval Q56: If an ECG indicated no P wave, Unlock this Answer For Free Now! View this answer and more for free by performing one of the following actions Scan the QR code to install the App and get 2 free unlocks Unlock quizzes for free by uploading documents
A)occurs between the first and second
2) atrioventricular
A) the heart rate is
