17. The Blood

Which of the following shows the correct sequence of hemostasis from start to end?

Which of the following is true regarding the extrinsic pathway of blood clotting?

A free-floating blood clot is called a thrombus.

The final step in clot formation is __________.

Which of the following statements about platelets is INCORRECT?

Which of the following substances is responsible for limiting a platelet plug to the immediate area of damage?

Which term describes a clot that develops and persists in an unbroken blood vessel?

The following is a list of the phases involved in the process of hemostasis.1. coagulation2. fibrinolysis3. vascular spasm4. retraction5. platelet phaseThe correct sequence of these phases isa. 5, 1, 4, 2, 3,b. 3, 5, 1, 4, 2,c. 2, 3, 5, 1, 4,d. 3, 5, 4, 1, 2,e. 4, 3, 5, 2, 1.

Which of the following does not promote multiple steps in the clotting pathway?a. platelet phospholipids,b. factor XI,c. thrombin,d. Ca²⁺.

Multiple ChoiceMore than one choice may apply.A condition resulting from thrombocytopenia isa. thrombus formation.b. embolus formation.c. petechiae.d. hemophilia.

___and ____affect almost every aspect of the clotting process. (a) Calcium, vitamin K, (b) Calcium, vitamin B12,(c) Sodium, vitamin K, (d) Sodium, vitamin B12.

Multiple ChoiceMore than one choice may apply.Place the letters of these events in the order they occur during hemostasis.a. b. c. d.

What is the difference between prothrombin and thrombin?