NR 509 APEA EXAM – PREGNANCY Question 1: What is the standard instrument used to auscultate fetal heart tones? Question 2: During pregnancy, what sound may be auscultated at the second or third intercostal space at the sternal border due to increased blood flow through the vessels? 3: If regular uterine contractions occur prior to 37 weeks gestation, … Continue reading NR 509 APEA EXAM – PREGNANCY