A person with Type A blood has (a) anti-A antibodies in the plasma. (b) B antigens in the plasma. (c) A antigens on red blood cells. (d) anti-B antibodies on red blood cells.

Step 1: Define the Problem

Identify the correct characteristic of a person with Type A blood from the given options.

Step 2: Break Down the Problem

Examine each option to determine which one accurately describes Type A blood:

• (a) anti-A antibodies in the plasma
• (b) B antigens in the plasma
• (c) A antigens on red blood cells
• (d) anti-B antibodies on red blood cells

Step 3: Apply Relevant Concepts

• Blood Type Characteristics:
  • Type A blood has A antigens on the surface of red blood cells.
  • Type A blood has anti-B antibodies in the plasma.

Step 4: Analysis, Verify and Summarize

• Option (a) is incorrect because Type A blood has anti-B antibodies, not anti-A.
• Option (b) is incorrect because antigens are on red blood cells, not in the plasma.
• Option (c) is correct because Type A blood has A antigens on red blood cells.
• Option (d) is incorrect because antibodies are in the plasma, not on red blood cells.

Final Answer

(c) A antigens on red blood cells.