1 d. the minimum cost associated with a certain quantity produced. 2  e. 3  none of the above. 4  Assume that in the short-run a firm which is producing 100 units of output has average total costs of $200 and average variable costs of $150. In the short-run the Sure-Screen T-Shirt Company is producing 500 units of output. 2  Its average variable costs are $2.00 and its average fixed costs are $0.50. 3  The firm's total costs: 4  a. are $2.50.
According to Nancy Morgan, RN, at Wound Care Advisor, hydrocolloid dressings, such as Duoderm, need to be changed every three to seven days, depending on the amount of seepage from the wound. Duoderm Signal dressing contains a green line that indicates when the dressing needs to be changed. Keep Learning.
Depending on physician orders, DuoDerm dressings can be used on stage 1, 2, 3 and 4 bed sores. The length of time a DuoDerm patch may be left on a wound is determined by the amount of moisture in the wound. Under normal conditions, DuoDerm can be left on the wound for 3-4 days.ecause DuoDerm essentially creates a moisture barrier, they should not be used on people with infected bed sores. Under normal circumstances, wounds covered with DuoDerm are likely to develop a strong odor after several days. The odor is consider to be a normal part of of the product.