Arizona State University (ASU) BIO202 Human Anatomy and Physiology II Exam 1 Practice Exam

Fibrinogen plays a crucial role in the formation of blood clots, making it the correct choice. This plasma protein is synthesized in the liver and is essential for coagulation. When bleeding occurs, the body activates a series of biochemical reactions known as the coagulation cascade. Fibrinogen is converted into fibrin, which forms a mesh-like structure that traps blood cells and platelets, thereby creating a stable clot. This process is vital for preventing excessive blood loss and facilitating tissue repair.

In contrast, albumin primarily contributes to maintaining osmotic pressure and transporting substances in the blood, while globulins play roles in immune function and transport. Electrolytes are essential for various physiological processes, including nerve impulse transmission and muscle contraction, but they do not directly contribute to blood clot formation. Understanding these functions highlights the specific role of fibrinogen in hemostasis and its importance in the overall process of wound healing and vascular integrity.