Can anyone please shed light on convalescent plasma collection from donors? What all tests are

26 yrs married f presenting severe anemia,sob on exertion, swelling of both upper and lower extremities, puffiness of face, white conjunctiva,pale face, irregular menses with scanty flow h/o migraine no h/o dm,htn,piles bp 90/50 pr 100/mt spo2 97 one unit B.T. done yesterday

46 years female with h/o rheumatoid arthritis on irregular treatment, presented with pain in both wrists and knee joints. X ray-AP view of both knee joints-what is the diagnosis A) Synovial chondromatosis B) Synovial chondrosarcoma C) Oateochondritis dessicans D) PVN E) Disseminated TB

### Sex-Male. Age-25 yrs. Weight-69 kg. H/O- Blackening of skin around elbow after blood donation since 5 days. No pain, no itching at present but there was slight pain and itching at first. No medications tried. Dx? Tx?

2 Days baby Born by Normal Vaginal delivery Diagnosis and management please

A 77-year-old woman presented with a 2-year history of multiple, painful, violaceous, infiltrated papules, nodules, and plaques on her left mammary gland, neck, forearms, legs, hands, and feet. What is the most likely diagnosis? A) Arteriovenous malformation b) Angiosarcoma c) Kaposi’s sarcoma d) Angiokeratoma