Answer:
"ABCDE" features:
Asymmetry - asymmetric (½ does not match the other ½)
Border - the border is slightly irregular
Color - a mixture of colors including a very dark brown area
Diameter - the mole was new and greatly increased in size over just 6 months
Evolving - this new mole had changed in size, color, and shape during a very short period of time
Pathology Diagnosis: Early melanoma that started in a DN
Explanation:
Answer:
B
Explanation:
The umbilical vein carries oxygenated, nutrient-rich blood from the placenta to the fetus, and the umbilical arteries carry deoxygenated, nutrient-depleted blood from the fetus to the placenta
What is aortic regurgitation?
Aortic regurgitation, also known as aortic valve regurgitation, is a problem that develops when the aortic valve in your heart doesn't seal completely. As a result, part of the blood that is pumped out of your left ventricle, your heart's primary pumping chamber, seeps backward.
Your heart may be unable to effectively pump blood to the rest of your body as a result of the leak. You can have exhaustion and shortness of breath as a result.
Aortic valve regurgitation may appear overnight or take years to manifest. Surgery is frequently required to repair or replace the aortic valve after aortic valve regurgitation has reached a severe stage.
Surgery to replace your aortic valve is the recommended course for treatment. During this procedure, your surgeon will remove the damaged valve and replace it with a mechanical valve, the valve from a pig or cow, or with human tissue. Over time, these tissues may need to be replaced.
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