Question

Excessive bleeding from an injury even after an hour of the incidence could be because of the ………………

• A. excess plasma in blood.
• B. absence of haemoglobin.
• C. excess of WBCs in blood.
• D. absence of platelets in blood.

Answer 1

The correct option is D

absence of platelets in blood.

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Platelets or thrombocytes are tiny blood cells that help our bodies to stop bleeding. If one of the blood vessels gets damaged, it sends out signals which are picked up by platelets. The platelets then rush to the site of damage and help form a clot, to repair the damage.