What are the functions of amniotic fluid? (Select all that apply)
Prevents the fetal skin from drying out
Allows for symmetrical growth of the fetus
Helps maintain an even temperature
Separates the maternal and fetal blood
Correct Answer : A,B,C
A. Prevents the fetal skin from drying out is correct. Amniotic fluid plays a protective role by keeping the fetal skin moist, preventing it from drying out.
B. Allows for symmetrical growth of the fetus is correct. Amniotic fluid helps ensure that the fetus has adequate room to grow and develop symmetrically, preventing physical restrictions.
C. Helps maintain an even temperature is correct. Amniotic fluid helps regulate the temperature around the fetus, protecting it from fluctuations in the external environment.
D. Separates the maternal and fetal blood is incorrect. Amniotic fluid does not separate maternal and fetal blood. This function is carried out by the placenta, which serves as a barrier between maternal and fetal blood.
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Related Questions
Correct Answer is A
Explanation
A. The umbilical cord typically contains two arteries that carry deoxygenated blood from the fetus to the placenta and one vein that carries oxygenated blood from the placenta to the fetus. This arrangement supports effective nutrient and gas exchange during fetal development.
B. Two veins are not found in the umbilical cord; only one vein is present.
C. While one artery and one vein might be seen in abnormal conditions like single umbilical artery (SUA), this is not typical.
D. Two veins and one artery is incorrect as the typical structure includes two arteries and one vein.
Correct Answer is C
Explanation
A. Cycling can be safe during pregnancy if the woman is accustomed to it, as long as she avoids the risk of falling or injury. It is important to take precautions, but cycling itself is not inherently dangerous.
B. Swimming is an excellent form of low-impact exercise during pregnancy and is generally recommended for its cardiovascular benefits and ability to relieve physical discomforts.
C. Racquetball involves rapid movements and potential contact or falls, which could pose a risk to the pregnant woman. This activity should be avoided during pregnancy.
D. Yoga is a safe and beneficial exercise during pregnancy, especially when practicing poses that focus on flexibility, relaxation, and controlled breathing.
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