During maternal assessment, the nurse determines the fetus to be in a left occiput anterior (LOA) position. Auscultation of the fetal heart rate should begin in the:
1. Right upper quadrant.
2. Left upper quadrant.
3. Right lower quadrant.
4. Left lower quadrant.
4
Rationale:
1. The fetal heart rate is best heard at the fetal back. In a cephalic presentation, the heart rate is heard in the lower quadrants. Because this fetus has been identified as being on the mother's left side, the heart tones should be on the mother's left lower quadrant.
2. The fetal heart rate is best heard at the fetal back. In a cephalic presentation, the heart rate is heard in the lower quadrants. Because this fetus has been identified as being on the mother's left side, the heart tones should be on the mother's left lower quadrant.
3. The fetal heart rate is best heard at the fetal back. In a cephalic presentation, the heart rate is heard in the lower quadrants. Because this fetus has been identified as being on the mother's left side, the heart tones should be on the mother's left lower quadrant.
4. The fetal heart rate is best heard at the fetal back. In a cephalic presentation, the heart rate is heard in the lower quadrants. Because this fetus has been identified as being on the mother's left side, the heart tones should be on the mother's left lower quadrant.
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