Which statement shows the client understands approximately how many calories per day she needs over her normal pre-pregnant needs?
I should not increase my calories while I am pregnant.
I will need approximately 500 more calories.
I need to double my calories because I am eating for two.
I will need about 300 more calories.
The Correct Answer is D
Choice A rationale
This statement is incorrect as caloric needs increase during pregnancy to support fetal growth, placental development, and increased maternal metabolic demands. Inadequate caloric intake can lead to poor fetal outcomes, including low birth weight and impaired development.
Choice B rationale
While caloric needs do increase, an additional 500 calories is generally too high for the average pregnancy. The recommended increase is typically lower, focusing on nutrient-dense foods to ensure sufficient energy for both mother and fetus.
Choice C rationale
Doubling caloric intake is excessive and can lead to excessive maternal weight gain, increasing risks for gestational diabetes, preeclampsia, and delivery complications. The concept of "eating for two" is a common misconception that often leads to overconsumption.
Choice D rationale
During the second and third trimesters, the average pregnant woman requires an additional 300 calories per day above her pre-pregnancy needs. This increase provides adequate energy for rapid fetal growth, development, and maternal physiological changes, such as increased blood volume and uterine expansion.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
At 16 weeks of gestation, the uterine fundus has not yet reached the umbilicus. The umbilicus is typically reached around 20 weeks of gestation. Palpating the fundus at the umbilicus at 16 weeks would suggest a discrepancy in gestational age or a potential complication such as polyhydramnios or multiple gestation, warranting further investigation.
Choice B rationale
The uterine fundus is palpable at 16 weeks of gestation. By this stage, the uterus has grown significantly and ascended out of the pelvis, making it accessible to abdominal palpation. Failure to palpate the fundus at this stage could indicate an inaccurate gestational age, ectopic pregnancy, or other uterine abnormalities, requiring clinical correlation.
Choice C rationale
At 16 weeks of gestation, the uterine fundus is typically palpable approximately halfway between the symphysis pubis and the umbilicus. This anatomical landmark serves as a reliable indicator of gestational age during the second trimester. The fundus ascends by approximately 1 cm per week after 12 weeks of gestation, providing a consistent growth pattern.
Choice D rationale
At 16 weeks of gestation, the uterine fundus is well above the pubic bone. It typically becomes palpable just above the pubic bone around 12 to 14 weeks of gestation as it rises out of the pelvic cavity. Finding the fundus only just above the pubic bone at 16 weeks would suggest a lag in uterine growth or an inaccurate gestational age assessment.
Correct Answer is B
Explanation
Step 1: May 4 is the first day of the last menstrual period.
Step 2: Add 7 days to May 4, which equals May 11.
Step 3: Count back 3 months from May, which leads to February.
Step 4: Therefore, the estimated date of delivery is February 11.
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