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Thrombosis and Clotting Quiz

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Thrombosis is defined as

a)

Clot formation after death

b)

Formation of solid mass in circulation during life

c)

Hemorrhage into tissues

d)

Embolus in vessel

2.

Virchow triad includes all EXCEPT

a)

Endothelial injury

b)

Abnormal blood flow

c)

Hypercoagulability

d)

Inflammation

3.

Most important predisposing factor for arterial thrombosis is

a)

Hypercoagulability

b)

Stasis

c)

Endothelial injury

d)

Hypotension

4.

Venous thrombosis is commonly associated with

a)

High shear stress

b)

Endothelial denudation

c)

Stasis of blood flow

d)

Atherosclerosis

5.

Lines of Zahn indicate

a)

Postmortem clot

b)

Antemortem thrombus

c)

Fibrinolysis

d)

Hemorrhage

6.

White thrombus is rich in

a)

Red cells

b)

Fibrin and platelets

c)

Plasma only

d)

Leukocytes

7.

Red thrombus is commonly seen in

a)

Arteries

b)

Heart valves

c)

Veins

d)

Capillaries

8.

Fate of thrombus includes all EXCEPT

a)

Propagation

b)

Embolization

c)

Dissolution

d)

Calcification

9.

Organization of thrombus results in

a)

Complete lysis

b)

Recanalization

c)

Hemorrhage

d)

Necrosis

10.

Most common site of deep vein thrombosis is

a)

Upper limb veins

b)

Portal vein

c)

Deep veins of leg

d)

Cerebral veins

11.

Major risk of deep vein thrombosis is

a)

Gangrene

b)

Varicose veins

c)

Pulmonary embolism

d)

Edema

12.

Phlebothrombosis refers to

a)

Inflammatory thrombosis

b)

Infective thrombosis

c)

Thrombosis without inflammation

d)

Arterial clot

13.

Antemortem clot is usually

a)

Soft and gelatinous

b)

Dry and friable

c)

Attached to vessel wall

d)

Not attached to vessel wall

14.

Postmortem clot is characterized by

a)

Lines of Zahn

b)

Attachment to vessel wall

c)

Chicken fat appearance

d)

Fibrin strands

15.

Hypercoagulable state can be inherited due to

a)

Protein C deficiency

b)

Atherosclerosis

c)

Hypertension

d)

Diabetes mellitus

16.

Acquired hypercoagulable state is seen in

a)

Factor V Leiden mutation

b)

Antithrombin III deficiency

c)

Prolonged immobilization

d)

Hemophilia

17.

Endothelial functions include all EXCEPT

a)

Antithrombotic activity

b)

Prothrombotic activity

c)

Regulation of vascular tone

d)

Antibody production

18.

Nitric oxide produced by endothelium causes

a)

Vasoconstriction

b)

Platelet aggregation

c)

Vasodilation

d)

Thrombosis

19.

Prostacyclin released by endothelium causes

a)

Platelet aggregation

b)

Vasoconstriction

c)

Platelet inhibition and vasodilation

d)

Fibrinolysis

20.

Tissue factor expressed by endothelium promotes

a)

Anticoagulation

b)

Fibrinolysis

c)

Coagulation

d)

Vasodilation