Which blood type is the universal recipient?
Type AB
Type B
Type A
Type O
The Correct Answer is A
A. Type AB: Individuals with AB blood express both A and B antigens and generally do not have anti-A or anti-B antibodies, allowing receipt of A, B, AB, or O blood (AB is the universal recipient in the ABO system).
B. Type B: Type B blood has B antigen and anti-A antibodies, so it cannot safely receive blood containing A antigen.
C. Type A: Type A blood has A antigen and anti-B antibodies, so it cannot safely receive blood containing B antigen.
D. Type O: Type O blood lacks A and B antigens (making it a universal donor for ABO), but it contains both anti-A and anti-B antibodies, so recipients with other ABO types can react to it.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Thymus: The primary lymphoid organ where T-lymphocytes mature and are educated during early life.
B. Spleen: A secondary lymphoid organ that filters blood and supports immune responses but does not mature T-cells.
C. Palatine tonsils: Lymphoid tissue that participates in local immune defense of the oropharynx, not the main site for T-cell maturation.
D. Adenoid: Pharyngeal tonsil (lymphoid tissue) involved in mucosal immunity, not the central organ for T-cell maturation.
Correct Answer is A
Explanation
A. An isotonic solution: Has the same solute concentration as the cell interior, so water movement is balanced and the cell size remains unchanged.
B. Hypotonic solution: Has lower solute concentration outside the cell, so water enters the cell, causing swelling or lysis.
C. Hydrostatic solution: Refers to fluid pressure exerted by a liquid, not osmotic balance related to cell size.
D. Hypertonic solution: Has higher solute concentration outside the cell, so water leaves the cell, causing shrinkage (crenation).
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