What is the most significant risk factor for clubfoot?
Smoking
Trauma during pregnancy
Hypertension
Decreased circulation
The Correct Answer is A
Choice A reason:
Smoking is the most significant risk factor for clubfoot, according to several studies that have found a strong association between maternal smoking during pregnancy and the occurrence of clubfoot in the offspring. Smoking may affect the development of the muscles and tendons in the fetus, leading to abnormal positioning of the foot.
Choice B reason:
Trauma during pregnancy is not a significant risk factor for clubfoot, as there is no evidence that physical injury to the mother or the fetus can cause this deformity. Clubfoot is a congenital condition that is present at birth and usually detected by prenatal ultrasound.
Choice C reason:
Hypertension is not a significant risk factor for clubfoot, as there is no evidence that high blood pressure in the mother or the fetus can cause this deformity. Clubfoot is a congenital condition that is present at birth and usually detected by prenatal ultrasound.
Choice D reason:
Decreased circulation is not a significant risk factor for clubfoot, as there is no evidence that poor blood flow to the mother or the fetus can cause this deformity. Clubfoot is a congenital condition that is present at birth and usually detected by prenatal ultrasound.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A:
Two arteries and two veins. This is incorrect because the umbilical cord normally has only three blood vessels: one vein and two arteries. Having four blood vessels is a rare anomaly that can be associated with congenital defects. •
Choice B:
Two veins and one artery. This is incorrect because the umbilical cord normally has only one vein and two arteries. Having two veins and one artery is another rare anomaly that can also be associated with congenital defects. •
Choice C:
One artery and one vein. This is incorrect because the umbilical cord normally has two arteries and one vein. Having only one artery and one vein is a common anomaly that occurs in about 1% of singleton pregnancies and 5% of twin pregnancies. It can be associated with intrauterine growth restriction, congenital anomalies, and perinatal mortality. •
Choice D:
Two arteries and one vein. This is correct because the umbilical cord normally has two arteries and one vein. The vein carries oxygenated blood from the placenta to the fetus, while the arteries carry deoxygenated blood from the fetus to the placenta. The umbilical cord also contains Wharton's jelly, which is a gelatinous substance that protects the blood vessels from compression.
Correct Answer is ["A","B","E"]
Explanation
Choice A:
Tremors. This is a sign of hypoglycemia in a newborn because low blood sugar can cause shakiness or jitteriness in the muscles. •
Choice B:
Lethargy. This is a sign of hypoglycemia in a newborn because low blood sugar can cause low energy, poor feeding, or lack of interest in eating.
Choice C:
Hunger. This is not a sign of hypoglycemia in a newborn because low blood sugar can actually reduce the appetite or cause feeding difficulties.
Choice D:
Jaundice. This is not a sign of hypoglycemia in a newborn because jaundice is caused by high levels of bilirubin in the blood, not low levels of glucose.
Choice E:
Weak cry. This is a sign of hypoglycemia in a newborn because low blood sugar can affect the vocal cords and the respiratory system, causing a weak or high-pitched cry.
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