Final answer:
It is permissible to override blood type cross matching in emergency scenarios where severe hemorrhaging occurs and type O blood can be transfused. The occurrence of agglutination with both anti-A and anti-B antibodies indicates blood type AB in a patient, a normal response during typing tests.
Step-by-step explanation:
It is important to follow the standard process for blood typing through cross matching to ensure patient safety before a blood transfusion. However, it is feasible to override this process in situations where a patient is experiencing a severe hemorrhage that poses an immediate threat to life. In such critical circumstances, transfusing type O blood, known as the universal donor type, is acceptable without waiting for cross matching results.
In the scenario of a technician adding anti-A and anti-B antibodies to a patient's blood and observing agglutination in both wells, this is a normal response for blood type AB. If a sample agglutinates when mixed with both anti-A and anti-B antibodies, it indicates that the patient's blood contains both A and B antigens, characteristic of the AB blood type, which is a compatible match for patient transfusion scenarios requiring type AB blood.