17. The Blood
Platelets: Hemostasis
17. The Blood
Platelets: Hemostasis
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- Multiple Choice
Platelets are similar to erythrocytes in that both structures do not contain a _________________. Platelets are similar to leukocytes in that both their primary functions involve ________________ the body.
455views12rank - Multiple Choice
Which physiological response causes a reduction in blood flow immediately after a blood vessel injury?
438views9rank - Multiple Choice
Which of the following statements about vascular spasms is false?
419views7rank - Multiple Choice
Prostacyclin is a hormone that is normally active in the blood but becomes inactive when a blood vessel ruptures and hemostasis begins. Considering this, which of the following is the most likely function of prostacyclin?
360views15rank - Textbook QuestionThe following is a list of the phases involved in the process of hemostasis. 1. coagulation 2. fibrinolysis 3. vascular spasm 4. retraction 5. platelet phase The correct sequence of these phases is a. 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, 1.307views
- Textbook QuestionWhich of the following does not promote multiple steps in the clotting pathway? a. platelet phospholipids, b. factor XI, c. thrombin, d. Ca²⁺.412views
- Textbook QuestionMultiple Choice More than one choice may apply. A condition resulting from thrombocytopenia is a. thrombus formation. b. embolus formation. c. petechiae. d. hemophilia.275views
- Textbook Question___and ____ affect almost every aspect of the clotting process. (a) Calcium, vitamin K, (b) Calcium, vitamin B12, (c) Sodium, vitamin K, (d) Sodium, vitamin B12.380views