Gestational Ultrasound. In preparing the client for the procedure, the nurse should explain that the primary reason for conducting the ultrasound is to obtain which information?

Fetal growth and gestational age.

Lecithin-sphingomyelin ratio.

Chromosomal abnormalities.

Sex and size of the infant.

Answer and Explanation

The Correct Answer is A

A. Fetal growth and gestational age. Ultrasound during pregnancy is commonly used to assess fetal growth, development, and gestational age. It allows healthcare providers to monitor the health and progress of the pregnancy, as well as detect any potential issues or abnormalities.

B. Lecithin-sphingomyelin ratio. This ratio is typically assessed in amniotic fluid samples to predict fetal lung maturity, but it's not the primary reason for a routine ultrasound during pregnancy.

C. Chromosomal abnormalities. While some prenatal screening tests, such as nuchal translucency ultrasound or cell-free DNA testing, can help assess the risk of chromosomal abnormalities, a routine ultrasound is not primarily conducted for this purpose.

D. Sex and size of the infant. While ultrasound can reveal the sex of the baby and provide estimates of fetal size, these are secondary to the primary goal of assessing fetal growth and gestational age.

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Correct Answer is D

Explanation

A. Blood urea nitrogen (BUN): Elevated BUN can indicate kidney problems, but it's not the primary test for melena (black, tarry stools) which suggests upper gastrointestinal bleeding.

B. Glucose: Glucose levels might be abnormal in some conditions that can cause bleeding, but it's not the most specific test for melena.

C. White blood cell count (WBC): WBC might be elevated in response to infection or inflammation, but it's not the most specific test for melena.

D. Hematocrit: Hematocrit measures the percentage of red blood cells in the blood. Melena can indicate significant blood loss, and monitoring hematocrit helps assess the severity of bleeding and potential need for blood transfusions.

Correct Answer is ["9"]

Explanation

To determine the Apgar score for the newborn infant, we assess five parameters: heart rate, respiratory effort, muscle tone, reflex irritability, and color. Each parameter is scored from 0 to 2, with 2 being the highest score. Let's evaluate each parameter:

Heart rate: 150 beats/minute --> Score of 2.
Respiratory effort: Vigorous cry present --> Score of 2.
Muscle tone: Good muscle tone with total flexion --> Score of 2.
Reflex irritability: Quick reflex irritability noted --> Score of 2.
Color: Dusky and cyanotic skin color --> Score of 1.

Now, we sum up the scores: 2+2+2+2+1=92+2+2+2+1=9

Therefore, the Apgar score for this infant is 9.

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Gestational Ultrasound. In preparing the client for the procedure, the nurse should explain that the primary reason for conducting the ultrasound is to obtain which information?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse observes that a client is experiencing melena. Which serum laboratory test should the nurse monitor in response to this finding?

Correct Answer is D

Explanation

Correct Answer is ["9"]

Explanation

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