19. Hemophilia is characterized by __ 1. inadequate production of heparin 2 inadequate production of clotting factors 3. excessive production of fibrinogen 4. excessive production of platelets

## Step 1<br />Hemophilia is a genetic disorder that affects the blood's ability to clot properly. This condition is caused by a deficiency in certain clotting factors, which are proteins in the blood that help to form a clot.<br /><br />## Step 2<br />The clotting factors are essential for the blood to clot properly. When there is a deficiency in these clotting factors, it can lead to excessive bleeding.<br /><br />## Step 3<br />The other options provided, such as inadequate production of heparin, excessive production of fibrinogen, and excessive production of platelets, are not characteristic of hemophilia.