Question 1 What is the standard instrument used to auscultate fetal heart tones? A. Stethoscope B. Doppler C. Pre-natal monitor D. Ultrasound Explanation: The Doppler fetal rate monitor is the standard instrument used for this measurement, and can detect the fetal rate (FHR) as early as 10 weeks gestation. 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? A. Diastolic murmur B. Systolic murmur C. Venous hum D. Bruit Explanation: A venous hum, or continuous mammary souffle that occurs during pregnancy is due to increased blood flow through normal vessels. The mammary souffle is commonly heard