In addition to the A and B antigens, there is a third antigen called the Rh factor, which can be either present (+) or absent (â). In general, Rh negative blood is given to Rh-negative patients, and Rh positive blood or Rh negative blood may be given to Rh positive patients.1  The universal red cell donor has Type O negative blood type. 2  The universal plasma donor has Type AB blood type.n addition to the A and B antigens, there is a third antigen called the Rh factor, which can be either present (+) or absent (â). In general, Rh negative blood is given to Rh-negative patients, and Rh positive blood or Rh negative blood may be given to Rh positive patients.
Follow Following Unfollow Pending Disabled. A Honor Society of Nursing (STTI) answered. Symptoms of lentigo maligna melanoma are usually large, flat, irregularly-shaped tan patches on the skin. These growths usually form on sun-exposed skin on the nose, cheeks, ears, and elsewhere on the head and neck.
1 Lentigo maligna: Lentigo maligna is a melanoma in situ that consists of malignant cells but does not show invasive growth..2  Lentigo maligna: (LMM) makes up approximately 10% of all melanomas. 3  This type usually occurs in elderly people with the median age of 70. Lentigo maligna: Lentigo maligna is a melanoma in situ that consists of malignant cells but does not show invasive growth..