Which findings would the nurse determine is a positive sign of pregnancy in a patient who presents to the clinic and reports to be 10 weeks pregnant?
Positive serum pregnancy test.
Fetal heart rate via doppler ultrasound.
Positive Chadwick sign.
Fatigue.
The Correct Answer is B
Choice A rationale
A positive serum pregnancy test is considered a probable sign of pregnancy, not a positive sign. This test detects human chorionic gonadotropin, which is secreted by the trophoblast. While highly suggestive of pregnancy, false positives can occur due to certain medications, molar pregnancies, or choriocarcinoma. Positive signs are those that can only be attributed to the presence of a fetus. Normal serum beta-hCG levels in non-pregnant women are generally less than 5 mIU/mL, and levels rise rapidly following implantation.
Choice B rationale
Detection of the fetal heart rate via doppler ultrasound is a positive sign of pregnancy because it provides objective, undeniable evidence of a living fetus. At 10 weeks gestation, the fetal heart tones can often be heard using a sensitive doppler device. This sign is distinct from presumptive or probable signs as it cannot be mimicked by any other physiological condition. The normal fetal heart rate range is between 110 and 160 beats per minute, which is significantly faster than the maternal pulse.
Choice C rationale
Chadwick sign is a bluish-purple discoloration of the cervix, vagina, and labia caused by increased vascularity and pelvic congestion. This is categorized as a probable sign of pregnancy. While commonly seen in pregnancy, it is not definitive because other conditions that cause pelvic congestion can produce similar changes in tissue color. Probable signs are objective findings observed by a healthcare provider but do not provide absolute proof of a fetus. It typically appears around the sixth to eighth week of gestation.
Choice D rationale
Fatigue is a presumptive sign of pregnancy. Presumptive signs are subjective changes reported by the woman that could be caused by pregnancy but could also be attributed to many other factors, such as illness, stress, or lack of sleep. Other presumptive signs include nausea, breast tenderness, and amenorrhea. Because these symptoms are not specific to pregnancy, they are the least reliable indicators. In the first trimester, fatigue is common due to rising progesterone levels and metabolic changes occurring in the mother.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
While infant falls are a significant safety concern in the postpartum period and early childhood, the Period of PURPLE Crying program is not specifically focused on mechanical safety or physical handling techniques. Falls are usually addressed through general safety teaching regarding furniture, stairs, and carrying techniques. This specific educational program targets the psychological and behavioral aspects of responding to a crying infant rather than the physical prevention of accidental falls or drops in the home environment.
Choice B rationale
Hypoglycemia prevention is a critical aspect of early neonatal care, but it is managed through feeding education and monitoring of glucose levels rather than through a video about crying patterns. The physiology of blood sugar regulation is unrelated to the behavioral education provided in the PURPLE Crying curriculum. Feeding schedules are discussed in the context of nutrition and growth, whereas this video focuses on the emotional and developmental challenges parents face when an infant cries excessively.
Choice C rationale
Sudden Infant Death Syndrome (SIDS) prevention is addressed through the Safe to Sleep campaign, which emphasizes supine positioning, firm sleep surfaces, and the avoidance of loose bedding. While both programs are essential for newborn safety, they target different risks. The PURPLE Crying program does not provide instruction on sleep environments or SIDS risk factors, as its primary goal is to educate parents on the developmental phase of increased crying to prevent caregiver frustration and potential abuse.
Choice D rationale
The Period of PURPLE Crying is a specialized evidence-based program designed to prevent Shaken Baby Syndrome and abusive head trauma. It educates parents that crying is a normal developmental phase that often increases at 2 weeks of age and peaks at 2 months. By explaining that crying can be inconsolable and is not a reflection of poor parenting, the program helps reduce the frustration and anger that can lead a caregiver to shake or harm an infant.
Correct Answer is A
Explanation
Choice A rationale
The fundamental technique for performing Kegel exercises involves identifying and isolating the pubococcygeus muscles. An effective way to teach patients how to locate these muscles is to suggest they mimic the action of stopping the flow of urine midstream. This specific muscle contraction helps strengthen the pelvic floor, which supports the bladder, uterus, and bowel. Correct identification ensures that the patient is targeting the right muscle group to improve urinary continence and pelvic health.
Choice B rationale
While Kegel exercises can technically be performed in various positions, including standing, it is often recommended that beginners start while lying down or sitting to better isolate the pelvic floor muscles without the interference of gravity or other muscle groups. Standing is not a requirement for the process to be correct, and suggesting it as a primary method does not necessarily indicate a superior understanding of the exercise compared to identifying the correct muscle action.
Choice C rationale
A common mistake when performing Kegel exercises is the co-contraction of the abdominal, gluteal, and thigh muscles. To be effective, the patient must isolate the pelvic floor muscles specifically. If the patient is contracting her thighs, buttocks, and abdomen, she is not performing the exercise correctly and will not achieve the desired strengthening of the perineal muscles. Proper education emphasizes relaxation of these external muscle groups while focusing solely on the pelvic floor.
Choice D rationale
To achieve significant improvement in pelvic floor strength and muscle tone, consistency and frequency are necessary. Doing only 10 exercises per day is generally insufficient to produce a therapeutic effect. Most clinical guidelines recommend performing multiple sets of 10 contractions several times a day, totaling 30 to 80 repetitions daily. The patient's report of only 10 repetitions indicates an inadequate routine that will likely not lead to the desired healing and strengthening outcomes.
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