A client is scheduled for an abdominal ultrasound in two weeks.
The client asks the nurse what they should do to prepare for the test.
What is the best response by the nurse?
“The patient should have a full bladder for a transabdominal US and an empty bladder for a transvaginal US.”.
“The patient should wear tight-fitting clothing and lie prone on an examination table.”.
“The patient should wear loose-fitting clothing and lie supine on an examination table.”.
“The patient should wear loose-fitting clothing and lie supine on an examination table.”.
The Correct Answer is C
The patient should wear loose-fitting clothing and lie supine on an examination table.
This is because loose-fitting clothing allows easy access to the abdomen and lying supine helps relax the abdominal muscles.
The patient should also avoid food and drinks for 8 to 12 hours before the test, as undigested food can interfere with the sound waves and affect the image quality.
Choice A is wrong because a full bladder is not necessary for an abdominal ultrasound, unless the patient is pregnant or has a pelvic condition.
A transvaginal ultrasound is a different type of ultrasound that uses a probe inserted into the vagina to examine the reproductive organs.
Choice B is wrong because tight-fitting clothing can restrict the movement of the ultrasound probe and make it harder to get a clear image.
Lying prone (on the stomach) can also tense up the abdominal muscles and obscure the organs.
Choice D is wrong because lying prone can have the same disadvantages as choice B. Additionally, wearing loose-fitting clothing does not mean that the patient can eat or drink anything before the test, as this can affect the results.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
. The client’s cervix is dilated.
This indicates that the client may be in preterm labor, which is a contraindication for amniocentesis.
Amniocentesis is a procedure that involves inserting a needle into the amniotic sac to obtain a sample of amniotic fluid for genetic testing or other purposes.
It is usually performed between 15 and 20 weeks of gestation.
Choice A is wrong because the client’s bladder should be full for amniocentesis.
This helps to push the uterus upward and away from the bladder, reducing the risk of injury and making it easier to visualize the fetus and the needle.
Choice B is wrong because the client’s uterus should be above the symphysis pubis at 16 weeks of gestation.
This is a normal finding and does not affect the procedure.
Choice D is wrong because the client’s fundal height should measure around 16 cm at 16 weeks of gestation.
A fundal height of 20 cm may indicate a large for gestational age fetus, multiple gestation, or polyhydramnios (excess amniotic fluid), but these are not absolute contraindications for amniocentesis.
However, they may require further evaluation and adjustment of the technique.
Correct Answer is A
Explanation
The baby’s heart beat is audible by a Doppler stethoscope at 12 weeks of pregnancy.
This is a device that uses sound waves to create an image of the baby’s heart and measure its rate and rhythm.
Some possible explanations for the other choices are:
Choice B is wrong because the baby’s sex can not be determined by ultrasound at 8 weeks of pregnancy.
The external genitalia are not fully developed until around 14 to 16 weeks of pregnancy.
Even then, the accuracy of ultrasound depends on factors such as the position of the baby, the quality of the equipment, and the skill of the sonographer.
Choice C is wrong because the baby’s lungs are not fully mature by 24 weeks of pregnancy.
The lungs are one of the last organs to develop in the fetus and they continue to grow and mature until near term.
The production of surfactant, a substance that helps the lungs expand and prevent collapse, begins around 24 weeks but is not sufficient until around 34 to 36 weeks.
Choice D is wrong because the baby’s eyes do not open and close by 16 weeks of pregnancy.
The eyelids are fused together until around 26 to 28 weeks of pregnancy, when they start to open and close periodically.
The baby can also respond to light and dark stimuli around this time.
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