Which of the following statements about blood clotting is correct?

Practice question

Question

Which of the following statements about blood clotting is correct?

Options

Choose one · Correct answer highlighted

Platelets do not play any role in clot formation. Prothrombin is converted into thrombin by calcium ions and clotting factors. Correct Fibrinogen is an inactive form of thrombin. Blood clotting is an enzymatic process but does not require calcium ions.

Explanation

Prothrombin is converted into thrombin by the action of calcium ions and clotting factors like thromboplastin.

Share this question

Related blogs

Guides and insights connected to this topic

Virology 25 Jan 2026

Coronavirus Structure, Genome, Replication, Symptoms, Pathogenesis, and Prevention

Structure of Coronavirus Coronaviruses (enveloped RNA viruses) fall in the virus family Coronaviridae, order Nidovirales. They are enveloped...

Virology 25 Jan 2026

Zoonotic Spillover in Bats: Causes, Consequences, and Future Preparedness

Bats: General Characteristics and Classification Bats are small mammals capable of true sustained flight. They belong to the second-largest...

Virology 24 Jan 2026

Crimean-Congo Hemorrhagic Fever Virus (CCHFV): Transmission, Replication, Pathogenesis, Clinical Features, Diagnosis, Treatment, and Prevention

Structure of Crimean-Congo Hemorrhagic Fever Virus Crimean-Congo hemorrhagic fever virus (– causative agent of CCHF) falls under the family...