Which of the following is NOT a common indication for amniocentesis?Select one:a. Advanced maternal ageb. Previous birth of a trisomic childc. History of neural tube defects in the familyd. Maternal age younger than 30 years

Which statement best describes amniocentesis? (1) Blood cells of an adult are checked for anemia. (2) Saliva of a child is analyzed for the amino acids. (3) Urine of a newborn baby is analyzed for the amino acid phenylalanine. (4) Fluid sur- rounding a fetus is removed for chemical and genetic analysis.

At what gestational age is diagnostic amniocentesis typically performed?Select one:a. 20-24 weeksb. 15-18 weeksc.10-12 weeksd. 28-32 weeks

A 28-year-old female presents to the obstetrics office, suspecting she may be pregnant. Which of the following would the nurse recognize as a presumptive sign of pregnancy?A. AmenorrheaB. Positive fetal cardiac activity on ultrasoundC. Enlarged uterusD. Auscultation of fetal heart tones

Which of the following may be demonstrated and/or performed during a 1st trimester OB sonogram? (select all that apply) presence of the secondary yolk sac CRL for estimation of gestational age LUS and cervix to check for placenta previa sonographic appearance of the mature placenta M-mode of heart rate MSD for estimation of gestational age evaluation of nuchal fold thickness

What is the purpose of an amniocentesis? aDiagnose genetic abnormalities bTreat chromosome abnormalities cCount chromosomes dTreat genetic abnormalities