- Statement 1 is correct, particularly in the context of COVID-19 discussions where convalescent plasma therapy was explored. Plasma from recovered patients contains antibodies against the virus in significant amounts. General plasma also contains antibodies (immunoglobulins). - Statement 2 is correct. Blood plasma, the liquid component of blood after removing cells, is typically a pale yellow or straw-coloured. - Statement 3 is incorrect. Hemoglobin is the protein responsible for carrying oxygen and is found within red blood cells, not in the plasma. - Statement 4 is incorrect. Blood donation and plasma donation require compatibility checks (like blood type and antibody screening for convalescent plasma). Also, for convalescent plasma specifically, the donor must have recovered from the disease and developed antibodies. Therefore, "any person" cannot donate to "any other person" without checks. - Statements 1 and 2 are correct, while statements 3 and 4 are incorrect. No option lists {1, 2}. Option D lists {2, 4} (Correct, Incorrect). Option A/C lists {1, 3} (Correct, Incorrect).
Consider the following statements: Blood plasma contains significant amounts of antibodies to fight corona virus. Blood plasma is a pale-yellow in colour. Blood plasma contains hemoglobin. Any person can donate blood plasma to any other person affected by corona virus. Which of the statements given above is/are correct?
Asked in HPPSC HPAS Prelims 2020 · Topic: Circulatory System (Components of Blood: Plasma, Erythrocytes, Leukocytes, Platelets)
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