Answer:
Teratogens and embryonic.
Explanation:
Teratogens may be defined as any chemical or physical agent that might cause mutations in the fetus. Teratogen is harmful for both the mother and the fetus.
Teratogen must be avoided during the pregnancy. As this effect the embryonic development and might cause the abnormal growth and development of a child. The child can born with missing eyes, ears or other body parts.
Thus, the answer is teratogens and embryonic.
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.
-Sclerosis indicates abnormal hardening. Hope this is what you were looking for!
