Final answer:
The blood tests that may be affected by leaving the tourniquet on for more than a minute include the complete blood count (CBC), electrolyte levels, and coagulation studies.
Step-by-step explanation:
Blood tests that may be affected by leaving the tourniquet on greater than 1 minute include d) All of the above. When the tourniquet is left on for too long, it can lead to changes in blood pressure within the vein, blood flow within the vein, and the return of blood to the heart. These changes can affect various blood tests such as the complete blood count (CBC), electrolyte levels, and coagulation studies.