The nurse is supervising a nursing student to teach a pregnant client about a scheduled chorionic villus sampling (CVS) test. Which statement, if made by the nursing student, would require follow-up?
The nurse is supervising a nursing student to teach a pregnant client about a scheduled chorionic villus sampling (CVS) test. Which statement, if made by the nursing student, would require follow-up?
A. You will need to provide both a urine and blood sample for this test.
[42%]
B. Drink plenty of water prior to this test and do not empty your bladder.
[25%]
C. An ultrasound will be used during this procedure to guide the needle.
[15%]
D. It is okay to eat and drink on the day of the procedure.
[18%]
Statistics
Subject/Lesson
Subject
Maternal & Newborn Health
Lesson
Antepartum
Client Need
Test Plan
Health Promotion and Maintenance
Related Topic
Aging Process
Item Type
Item Type
Application
Explanation
Choice A is correct. This statement is inaccurate and requires follow-up. A CVS is a test used to determine the presence of chromosomal abnormalities and involves the aspiration of small samples from the placenta for prenatal genetic diagnosis. Maternal blood and urine samples are not necessary for this test. While a blood sample may be taken for compatibility testing, a urine sample is typically not required for a chorionic villus sampling (CVS) procedure. The primary procedure involves sampling fetal cells from the placenta using a needle.
Choice B is incorrect. This statement is accurate in some cases. For a chorionic villus sampling (CVS) procedure, the client may indeed be instructed to have a full bladder, as it can aid in visualizing the fetus during an ultrasound. This full bladder is important for some client's to achieve optimal imaging during the procedure.
Choice C is incorrect. This statement is accurate. An ultrasound is commonly used during a CVS procedure to guide the needle and ensure correct placement for the sampling.
Choice D is incorrect. In most cases, clients are allowed to eat and drink on the day of a CVS procedure.
Additional Info
✓ Ultrasound locates fetal position and amniotic fluid. Sterile abdominal preparation is followed by local anesthetic injection for comfort. A needle extracts amniotic fluid, first 1-2 mL for analysis, then about 20 mL or more for diagnostic tests. ✓ Local anesthetic may be administered to alleviate discomfort, but patients may still experience pressure and cramping during the needle insertion.
✓ Chorionic villus sampling is a test that may be performed as early as ten gestational weeks to determine if the fetus has any chromosomal abnormalities. Chorionic villus sampling has drawbacks that preclude its use, including possible spontaneous abortion of the fetus and fetomaternal hemorrhage.
✓ Understand that clients may experience anxiety or emotional distress before and after the procedure due to the potential implications of the test results. Offer emotional support, provide information about available counseling services, and encourage the client to discuss their feelings and concerns.
✓ Be sensitive to the client's cultural beliefs and practices, as these may influence their decision to undergo the procedure and their emotional response to it.
