A nurse caring for a client during a non-stress test (NST) notes fetal movement. Each deceleration lasts 30 seconds.
Which of the following results are in?
Negative test.
Positive test.
Reactive test.
Non-reactive deceleration of rising in the fetal heart rate during a period.
The Correct Answer is C
Choice A rationale:
A negative test implies a non-reactive NST, meaning the fetal heart rate (FHR) did not demonstrate the expected accelerations in response to fetal movements.
However, the scenario states that fetal movements were noted, and decelerations were observed. Decelerations, even lasting 30 seconds, are not consistent with a negative test.
Choice B rationale:
A positive test is not a standard term used in the context of NST results.
The term "positive" is more often associated with tests that identify a specific condition or abnormality.
NST results are typically classified as reactive or non-reactive, with further interpretation based on the presence or absence of decelerations and other FHR patterns.
Choice C rationale:
A reactive NST is the desired outcome, indicating a healthy fetal response to movement.
It requires two or more FHR accelerations of at least 15 beats per minute for a minimum of 15 seconds, each within a 20- minute period.
Although the decelerations lasting 30 seconds warrant further assessment, they do not negate the presence of the required accelerations, making the test reactive.
Choice D rationale:
"Non-reactive deceleration of rising in the fetal heart rate during a period" is not a standard NST result terminology.
It incorrectly combines elements of non-reactivity (lack of accelerations) with a description of decelerations, which are distinct FHR patterns.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale:
A blood pressure of 100/60 is within the normal range and does not pose a contraindication to oral contraceptives. While hypertension (high blood pressure) can be a contraindication, a blood pressure of 100/60 is not considered hypertensive.
However, it's essential to monitor blood pressure regularly in individuals using oral contraceptives, as some may experience a slight increase in blood pressure.
Choice B rationale:
Age is a significant factor when considering oral contraceptive use.
Adolescents under 16 years of age are generally not recommended to use oral contraceptives due to several concerns: Their reproductive systems are still developing, and hormonal contraceptives could potentially disrupt normal growth and development.
Younger adolescents may have more difficulty adhering to a strict daily medication regimen, which is crucial for the effectiveness of oral contraceptives.
They may be at a higher risk of certain side effects, such as irregular bleeding patterns and mood changes.
Acne treatment is often a primary reason for considering oral contraceptives in adolescents. However, alternative acne treatments that are more suitable for younger individuals are available.
Choice C rationale:
A hematocrit of 39 is within the normal range for females and does not contraindicate oral contraceptive use.
Hematocrit measures the proportion of red blood cells in the blood. Oral contraceptives can sometimes cause slight changes in hematocrit levels, but these changes are typically not clinically significant.
Choice D rationale:
A menstrual cycle of 14 days is considered a normal variation and does not pose a contraindication to oral contraceptives. Oral contraceptives can often regulate irregular menstrual cycles, so they may even be beneficial for individuals with shorter or longer cycles.
Correct Answer is A
Explanation
Choice A rationale:
Maternal smoking is a major risk factor for low birth weight. Studies have consistently shown that infants born to mothers who smoke during pregnancy are more likely to be born prematurely and have a lower birth weight compared to infants born to non-smoking mothers.
Nicotine, a primary component in cigarettes, is a vasoconstrictor that reduces blood flow to the placenta. This decreased blood flow can deprive the developing fetus of oxygen and essential nutrients, leading to impaired growth and development.
Carbon monoxide, another harmful substance in cigarette smoke, binds to hemoglobin in the blood, reducing its ability to carry oxygen. This can also contribute to fetal hypoxia and growth restriction.
Smoking can also interfere with placental function, further compromising the delivery of nutrients and oxygen to the fetus.
Choice B rationale:
While some studies have suggested a possible link between maternal smoking and hyperactivity in children, the evidence is not conclusive. Further research is needed to establish a definitive association.
Choice C rationale:
There is no clear evidence to suggest that maternal smoking directly causes hypersensitivity to noise in newborns.
Choice D rationale:
Craniofacial abnormalities are not typically associated with maternal smoking. They are more commonly caused by genetic factors or exposure to certain medications or substances during pregnancy.
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