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.
How Often are PICC Line Dressings Changed. PICC lines should be changed at least once per week. If the dressing becomes loose, wet, or dirty, the dressing must be changed more often to prevent infection.PICC line dressings must be inspected on a daily basis. Moist dressings are breeding grounds for infections.Signs of moisture, wetness, or dirt are signs that the dressings need to be changed more often. Loose fitting PICC line dressings can make it possible for dirt and debris to enter the area around the insertion site.oist dressings are breeding grounds for infections. Signs of moisture, wetness, or dirt are signs that the dressings need to be changed more often. Loose fitting PICC line dressings can make it possible for dirt and debris to enter the area around the insertion site.