A 24-year-old woman arrives at the clinic to confirm her pregnancy.
She has a body mass index (BMI) of 17, admits to occasional cocaine use and alcohol consumption, and has a blood pressure of 108/70 mm Hg. Her family history includes diabetes mellitus and cancer, including a sister who recently gave birth to an infant with a neural tube defect (NTD). Which factors place her in a high-risk category?
Drug/alcohol use, age, and family history.
Blood pressure, age, and BMI.
Family history, BMI, and drug/alcohol abuse.
Age, BMI, and family history.
The Correct Answer is C
Choice A rationale:
Drug/alcohol use: While substance abuse during pregnancy can lead to adverse outcomes such as preterm labor, fetal growth restriction, and birth defects, it is not considered a primary factor in determining high-risk status for this patient. The specific substances involved (cocaine and alcohol) are indeed associated with risks, but they are not as significant as other factors in this case.
Age: The patient's age of 24 is not considered a high-risk factor for pregnancy. Advanced maternal age (typically defined as 35 years or older) is associated with increased risks for chromosomal abnormalities and other complications, but this patient falls below that age threshold.
Family history: Family history of diabetes mellitus, cancer, and neural tube defects can be relevant to pregnancy risk, but in this case, other factors outweigh their significance.
Choice B rationale:
Blood pressure: The patient's blood pressure of 108/70 mm Hg is within the normal range and does not contribute to highrisk categorization. High blood pressure (hypertension) during pregnancy can lead to preeclampsia and other complications, but this patient does not present with hypertension.
Age: As explained in Choice A, the patient's age is not a high-risk factor.
BMI: A BMI of 17 is considered underweight, which can increase the risk of certain pregnancy complications such as preterm birth and low birth weight. However, in this case, other factors are more significant in determining high-risk status.
Choice C rationale:
Family history: The patient's family history of a neural tube defect (NTD) in a close relative is a significant risk factor for NTDs in her own pregnancy. NTDs are serious birth defects that affect the brain and spinal cord, and they can have lifelong implications for the child. This factor alone warrants a high-risk categorization.
BMI: The patient's underweight BMI of 17 further contributes to her high-risk status, as it can increase the likelihood of certain complications as mentioned earlier.
Drug/alcohol abuse: The patient's admission of cocaine and alcohol use, even if occasional, is a concerning factor for pregnancy. Cocaine, in particular, is a potent vasoconstrictor that can negatively impact fetal growth and development. Alcohol consumption during pregnancy can lead to fetal alcohol spectrum disorders (FASDs), which can cause a range of physical, cognitive, and behavioral problems.
Choice D rationale:
Age: As explained previously, the patient's age is not a high-risk factor.
BMI: The patient's BMI is a contributing factor, but not the most significant one in this case.
Family history: The patient's family history is relevant, but the presence of a neural tube defect in a close relative is the most significant aspect of her family history in terms of pregnancy risk.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale:
Semen analysis is the initial test often performed in the evaluation of infertility. It's a non-invasive, cost-effective, and informative assessment of male fertility. Here's a detailed explanation of its significance:
Assessment of Sperm Quality:
Measures sperm count, motility (movement), and morphology (shape).
Abnormalities in any of these parameters can significantly impact the chances of conception.
Identification of Male Factor Infertility:
Contributes to approximately 40% of infertility cases.
Early identification of male factor infertility guides treatment options and avoids unnecessary testing for the female partner.
Non-Invasive and Cost-Effective:
Simple procedure involving the collection of a semen sample.
Relatively inexpensive compared to other fertility tests.
Informative Results:
Provides valuable insights into sperm health and potential causes of infertility.
Guides further diagnostic evaluation and treatment strategies.
Rationale for other choices:
Choice B: Transvaginal ultrasound
Primarily evaluates female reproductive organs.
Assesses uterine structure, ovarian function, and potential abnormalities like fibroids or cysts.
Not typically the first test in infertility evaluation unless there's a specific female-factor concern.
Choice C: Hysterosalpingography (HSG)
Assesses the patency of the fallopian tubes.
Involves X-ray imaging after injecting contrast dye into the uterus.
Often performed after semen analysis if male factor infertility is not identified.
Choice D: Hysteroscopy
A more invasive procedure involving direct visualization of the inside of the uterus.
Used to diagnose and treat uterine abnormalities such as polyps or fibroids.
Not typically a first-line test in infertility evaluation.
Correct Answer is C
Explanation
Choice A rationale:
This response is incorrect because newborn screening tests do not determine blood type. Blood type is typically determined through a separate blood test, such as an ABO and Rh typing test.
While knowing a baby's blood type is important for medical reasons, it's not the primary purpose of newborn screening.
Focusing solely on blood type could mislead parents about the broader scope of conditions that newborn screening aims to identify.
Choice B rationale:
This response is incorrect because newborn screening tests are not diagnostic tests. They are screening tests, which means they identify babies who may be at risk for certain diseases, but they do not confirm whether or not a baby actually has a disease.
Diagnostic tests are typically more specific and are performed after a screening test has indicated a potential problem.
It's crucial to clarify the distinction between screening and diagnosis to avoid causing undue alarm or confusion for parents.
Choice C rationale:
This is the correct response. It accurately explains that newborn screening tests are routine procedures that are performed to detect babies who may be at risk for developing certain diseases.
The emphasis on "risk" is important because it highlights that a positive screening result does not necessarily mean that a baby has a disease, but rather that further testing is needed to confirm the diagnosis.
This response also avoids making assumptions about the parents' carrier status, which is a sensitive topic that should be addressed with care and discretion.
Choice D rationale:
This response is incorrect because it assumes that the parents are carriers for a disease, which may not be the case.
Even if the parents are carriers, newborn screening tests are not designed to specifically determine whether a disease has been passed down from parent to child.
Making such assumptions could create unnecessary anxiety or confusion for parents, and it's important to provide information that is accurate and relevant to their specific situation.
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