A primipara at 20-weeks gestation is scheduled for an ultrasound. In preparing the client for the procedure, the nurse should explain that the primary reason for conducting this diagnostic study is to obtain which information?
Chromosomal abnormalities
Sex and size of the infant
Lecithin-sphingomyelin ratio
Fetal growth and gestational age.
The Correct Answer is D
A. Chromosomal abnormalities:
While an ultrasound can sometimes identify structural abnormalities, it's not the primary tool for detecting chromosomal abnormalities. Genetic testing or procedures like amniocentesis are more specific for this purpose.
B. Sex and size of the infant:
An ultrasound is indeed used to determine the sex of the baby and assess its size and growth.
C. Lecithin-sphingomyelin ratio:
The lecithin-sphingomyelin ratio is typically assessed in tests related to fetal lung maturity, which is not the primary purpose of a routine ultrasound.
D. Fetal growth and gestational age:
This is one of the primary purposes of a routine ultrasound during pregnancy. It helps evaluate the baby's growth and ensures it aligns with the expected gestational age.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Place the newborn in a position with the head lower than the feet:
This position might be used in cases of choking or difficulty breathing, but it's not typically the first response to spitting up.
B. Turn the newborn to the side and bulb suction the mouth and nares:
Suctioning might be necessary if there's difficulty breathing or if there's an excessive amount of mucus. However, for typical spit-up, this might be an unnecessary intervention.
C. Wipe away the spit-up and assist the mother with the diaper change:
Addressing the immediate concern by cleaning up and assisting with the diaper change is a reasonable first step, but it doesn't directly address the spit-up.
D. Sit the newborn upright and burp by rubbing or patting the upper back:
This is a common and appropriate action after feeding to help release any trapped air and prevent or alleviate spit-up.
Correct Answer is A
Explanation
A. Use a fingertip to palpate the inguinal canal for a weakening or indentation:
This is a reasonable next step in assessing for undescended testes. Palpating the inguinal canal can help determine if the testes are located in the inguinal area.
B.Measure the size of the scrotal sac for length and width:
While scrotal size can be relevant in some contexts, it may not provide direct information about the presence or absence of the testes. Palpation or other methods are more specific for this purpose.
C. Perform transillumination of the scrotal sac to visualize shadows of the testes:
Transillumination involves shining light through tissues to detect structures. However, in the case of evaluating the presence of testes, palpation is usually a more direct and accurate method.
D. Observe the urethral opening on the surface of the penis when the newborn voids:
This option is unrelated to assessing the presence of testes. Observing the urethral opening is more relevant for assessing the anatomy of the penis.
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