A nurse teaches a pregnant woman about the presumptive, probable, and positive signs of pregnancy. The woman demonstrates an understanding of the nurse's instructions if she states that a positive sign of pregnancy is:
quickening.
a positive pregnancy test.
Braxton Hicks contractions.
fetal movement palpated by the nurse-midwife.
The Correct Answer is D
Choice A reason: Quickening is the first perception of fetal movement by the mother, usually occurring between 16 and 20 weeks of gestation. It is a presumptive sign of pregnancy, as it can be subjective and influenced by other factors such as gas or peristalsis.
Choice B reason: A positive pregnancy test is a probable sign of pregnancy, as it indicates the presence of human chorionic gonadotropin (hCG) in the urine or blood. However, it is not conclusive, as it can be affected by false positives or false negatives, or by other conditions that produce hCG.
Choice C reason: Braxton Hicks contractions are irregular, painless uterine contractions that occur throughout pregnancy. They are a probable sign of pregnancy, as they indicate uterine activity and preparation for labor. However, they are not diagnostic, as they can also occur in non-pregnant women or in response to other stimuli.
Choice D reason: Fetal movement palpated by the nurse-midwife is a positive sign of pregnancy, as it confirms the presence of a living fetus in the uterus. It is an objective and reliable sign that can be detected by a skilled examiner after 20 weeks of gestation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: An antiemetic such as pyridoxine may be used to control vomiting in women with hyperemesis gravidarum, but it is not the initial treatment. The first priority is to restore fluid and electrolyte balance and prevent dehydration and hypovolemia.
Choice B reason: IV therapy is the initial treatment for women with hyperemesis gravidarum. It helps to correct fluid and electrolyte imbalances, prevent dehydration and hypovolemia, and restore normal blood pressure and urine output. IV fluids may also contain glucose, vitamins, and electrolytes to replenish losses.
Choice C reason: Enteral nutrition may be used to meet nutritional needs in women with hyperemesis gravidarum, but it is not the initial treatment. Enteral nutrition involves feeding through a tube inserted into the stomach or intestine. It may be considered if oral intake is not tolerated or adequate after IV therapy.
Choice D reason: Corticosteroids are not used to treat hyperemesis gravidarum. They are used to reduce inflammation in conditions such as asthma, rheumatoid arthritis, and allergic reactions. They have no effect on nausea and vomiting in pregnancy.
Correct Answer is A
Explanation
Choice A reason: Fetal sleep cycles are a normal physiological cause of decreased variability in the FHR, which is the fluctuation of the baseline FHR above and below 2 cycles per minute. Fetal sleep cycles usually last 20 to 40 minutes and do not affect the fetal well-being.
Choice B reason: Umbilical cord compression is an abnormal cause of decreased variability in the FHR, as it reduces the blood flow and oxygen delivery to the fetus. It can also cause variable decelerations, which are abrupt decreases in the FHR below the baseline.
Choice C reason: Altered cerebral blood flow is an abnormal cause of decreased variability in the FHR, as it indicates a compromise in the fetal central nervous system. It can also cause late decelerations, which are gradual decreases in the FHR after the peak of a contraction.
Choice D reason: Fetal hypoxemia is an abnormal cause of decreased variability in the FHR, as it reflects a severe lack of oxygen in the fetal blood. It can also cause sinusoidal pattern, which is a smooth, undulating waveform in the FHR.
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