Which of the following is a protein primarily produced in the kidney that stimulates new red blood cells?
A . Insulin
B . Stanozolol
C . Epinephrine
D . Erythropoietin
Answer: D
Which of the following is a protein primarily produced in the kidney that stimulates new red blood cells?
A . Insulin
B . Stanozolol
C . Epinephrine
D . Erythropoietin
Answer: D