APPLIED RADIOLOGICAL ANATOMY

ANATOMY

CHEST AND CARDIOVASCULAR

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is responsible for clotting the blood when a person gets cut?
A
Capillaries
B
Platelets
C
Plasma
D
Vena cava
Explanation: 

Detailed explanation-1: -Thrombin converts fibrinogen, a blood clotting factor that is normally dissolved in blood, into long strands of fibrin that radiate from the clumped platelets and form a net that entraps more platelets and blood cells.

Detailed explanation-2: -When a blood vessel is damaged, blood cells and plasma ooze into surrounding tissue. Platelets immediately stick to the edges of the cut and release chemicals that attract more platelets. Eventually, a platelet plug is formed, and the outside bleeding stops.

Detailed explanation-3: -If one of your blood vessels gets damaged, it sends out signals to the platelets. The platelets then rush to the site of damage and form a plug (clot) to fix the damage. The process of spreading across the surface of a damaged blood vessel to stop bleeding is called adhesion.

Detailed explanation-4: -Platelets help prevent bleeding Their primary function is to prevent and stop bleeding. If a blood vessel is damaged, the body sends signals to platelets which cause them to travel to the injured area. Once the platelets arrive at the site, they clump together to form a clot that helps stop bleeding.

There is 1 question to complete.