Final answer:
In the early days of phlebotomy, leeches, lancets, and cupping glasses were used as tools to collect blood samples.
Step-by-step explanation:
In the early days of phlebotomy, several tools were used to collect blood samples. Some of the early tools used for phlebotomy include:
- Leeches: Leeches were used to draw blood from patients, as it was believed to have therapeutic benefits.
- Lancets: Lancets were small, sharp instruments used to make superficial incisions in the skin to access a blood vessel.
- Cupping glasses: Cupping glasses were heated and placed on the skin, creating suction to draw blood to the surface.
So, the correct answer is All of the above.