Gender expression is how, for example, a female or male shows their way of either feminity or masculinity. It is how a person expresses their thoughts and opinions of being that particular gender by either wearing certain clothes or styling their hair in a certain way.
Answer:
Total knee replacement is a medical surgery that helps in removing the defective knee and replaced the knee with the synthetic material. Any defects in the knee can be corrected by this surgery.
Autologous transfusion is the type of blood transfusion in which the blood is taken from the another part of the patient's body and then reinsert in the same body. The total knee replacement might require autologous tranfusion. The statement made by the nurse that she needs to donate blood around 4 to 6 weeks before the surgery indicates autologous transfusion.