An Introduction to Human Disease, Seventh Edition

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Please read each question and select your answer from the choices provided. You must complete all of the questions in order to view your results. At the end of each exam, you have the option to e-mail your results to your instructor.

1: After an injury, blood vessels immediately
	A: constrict
	B: dilate
	C: seal from the artery
	D: none of the above

2: Thrombin is an enzyme that is not capable of digesting protein.
	A: TRUE
	B: FALSE

3: Hemostasis depends upon:
	A: Integrity of small blood vessels
	B: Adequate supply of platelets
	C: Normal amounts of coagulation factors
	D: Adequate levels of calcium ions
	E: All of the Above

4: What is NOT a function of the platelets?
	A: plugging holes in vessel walls
	B: liberating vasoconstrictors
	C: regulating phospholipids
	D: excreting thromboplastin

5: Certain medications can lower the concentration of calcium ions in blood and prevent clotting
	A: TRUE
	B: FALSE

6: Which is NOT a major category of blood coagulation disturbance?
	A: abnormalities of small blood vessels
	B: abnormalities of red blood cells
	C: deficiencies of coagulation factors
	D: liberation of thromboplastic material into circulation
	E: abnormalities of platelet function

7: How many of the 13 coagulation factors are synthesized in the liver?
	A: 8
	B: 3
	C: 13
	D: 12
	E: 1

8: Disseminated intravascular coagulation is an acute condition that strikes healthy individuals without warning.
	A: TRUE
	B: FALSE

9: Classic hemophilia is associated with low levels of coagulation factor _____.
	A: IV
	B: VI
	C: VII
	D: VIII
	E: IX

10: A disturbance of coagulation caused by a deficiency of prothrombin can indicate:
	A: inadequate synthesis of vitamin K
	B: inadequate uptake of vitamin K
	C: severe liver disease
	D: all of the above

11: The standard test for measuring capillaries and the hemostatic process involves measuring bleeding time.
	A: TRUE
	B: FALSE

12: An evaluation of thrombin time primarily measures
	A: fibrinogen
	B: prothrombin
	C: partial thromboplastin
	D: all of the above

13: Thrombocytopenia is a dangerously elevated level of platelets.
	A: TRUE
	B: FALSE

14: Hematomas are areas of hemorrhage caused by deficiencies of plasma coagulation factors.
	A: TRUE
	B: FALSE

15: Hemophilia, being an X-linked congenital disease, only appears in males.
	A: TRUE
	B: FALSE

Optional: Enter your name and your instructor's E-mail address to have your results E-mailed to him or her.
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