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The Heisenberg Uncertainty Principle states that it is impossible to know the exact __________________ and _____________________ of a particle at the same time.

Atoms frequently gain or lose electrons to form ___________.

When multiplying or dividing numbers, the answer should have as many significant digits as the number with the ______________ significant digits; when adding or subtracting numbers, the answer should ______________.

Electrons are much _______________________ than the nuclear particles and have a(n) _______________ charge, equal and opposite to the charge of protons.

Anasarca is a condition often seen in cases of:

Demonstration of multiple unilateral renal cysts is most suspicious for:

Peritoneal calcifications with associated dilated loops of bowel and polyhydramnios visualized in a 30-week fetus most likely represent:

This sagittal image of the fetal body is most suspicious for:  

Which of the following is not a sonographic finding in fetal hydrops?

This sagittal image of a second-trimester fetus is most suspicious for which of the following pathologies?