A nurse is performing an abdominal ultrasound for a client who is at 28 weeks of gestation.
The nurse should instruct the client to do which of the following before the procedure?
Drink several glasses of water.
Empty her bladder completely.
Lie on her right side
Fast for at least 4 hours.
The Correct Answer is A
The woman should drink several glasses of water before the abdominal ultrasound procedure.
This is because a full bladder helps to push the intestines away and improve the visibility of the uterus and the fetus.
Drinking water also helps to avoid gas buildup in the abdomen, which could interfere with the sound waves.
Choice B is wrong because emptying the bladder would make it harder to see the uterus and the fetus.
Choice C is wrong because lying on the right side would not affect the quality of the ultrasound image.
Choice D is wrong because fasting is not necessary for an abdominal ultrasound, unless instructed by the doctor for a specific reason.
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Related Questions
Correct Answer is C
Explanation
This means that the baby’s heart rate did not slow down after the contractions induced by oxytocin, which is a sign of normal fetal well-being.
A negative CST is normal and desirable.
Choice A is wrong because no contractions were induced during the test.
This means that the test was inconclusive and could not assess the baby’s response to stress.
Choice B is wrong because late decelerations of the FHR were observed with at least 50% of contractions.
This means that the baby’s heart rate slowed down and stayed slow after the contractions, which is a sign of fetal distress and hypoxia.
A positive CST is abnormal and concerning.
Choice D is wrong because the client experienced mild uterine cramping during the test.
This is not a relevant factor for interpreting the CST results, which depend on the FHR patterns.
Uterine cramping can be a side effect of oxytocin administration or nipple stimulation.
Correct Answer is B
Explanation
This test can detect genetic disorders.
Chorionic villus sampling (CVS) is a prenatal test that involves taking a sample of tissue from the placenta to test for chromosomal abnormalities and certain other genetic problems.
The placenta is a structure in the uterus that provides blood and nutrients from the mother to the fetus.
Choice A is wrong because CVS does not provide information on neural tube defects, such as spina bifida.
For this reason, women who undergo CVS also need a follow-up blood test between 16 to 18 weeks of their pregnancy to screen for neural tube defects.
Choice C is wrong because CVS can detect chromosomal abnormalities, but not all chromosomal abnormalities are genetic disorders.
For example, Down syndrome is a chromosomal abnormality caused by an extra copy of chromosome 21, but it is not inherited from the parents.
Choice D is wrong because CVS cannot detect Rh sensitization, which is a condition where the mother’s immune system produces antibodies against the fetus’s blood type.
Rh sensitization can be detected by a blood test that measures the level of antibodies in the mother’s blood.
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