What is the primary mechanism by which the liver regulates plasma protein levels?

A By adjusting the rate of protein synthesis ✓
B By altering the rate of protein degradation
C By changing the ratio of albumin to globulin synthesis
D By modifying the expression of transcription factors involved in protein synthesis

Explanation

The liver plays a crucial role in maintaining plasma protein levels by adjusting the rate of protein synthesis, particularly for albumin, which is the most abundant plasma protein.

Source

Harper's Biochemistry
Protein Metabolism Biochemistry Regulation of Plasma Proteins Medium MEDICAL Confidence: high