What are do u need help with?
Answer:
4ml
Explanation:
80 × 0.25 = 20
Patient will need 20mg/day;
There are 50mg in 10ml, and we the patient needs 20mg so we can use ratios;
50 : 10
20 : x
20/50 = x/10
x = 4ml
If the bicuspid valve does not close completely, blood can flow backwards into the heart. This is regurgitation, also called aortic valve insufficiency. The heart then must pump that same blood out again, causing strain on the heart's lower left chamber, the left ventricle.
