Question 1

The megakaryocyte is a precursor to

Accepted Answer

A)   factor IX.
B)   white blood cells.
C)   red blood cells.
D)   platelets.

Question 2

A 3-year-old boy who exhibits prolonged bleeding after minor trauma and a prolonged aPTT,but a normal platelet count,is likely to be diagnosed with

Accepted Answer

A)   hemophilia.
B)   liver dysfunction.
C)   disseminated intravascular coagulation.
D)   thrombocytopenia.

Question 3

Treatment for hemophilia A includes

Accepted Answer

A)   heparin administration.
B)   factor IX replacement.
C)   factor VIII replacement.
D)   platelet transfusion.

Question 4

Dysfunction of which organ would lead to clotting factor deficiency?

Accepted Answer

A)   Liver
B)   Kidney
C)   Spleen
D)   Pancreas

Question 5

A male patient involved in a motor vehicle accident is brought to the emergency department with acute flank pain.What additional signs of bleeding may the patient exhibit? (Select all that apply.)

Accepted Answer

A)   Hematuria
B)   Melena
C)   Hematemesis
D)   Menorrhagia
E)   Hemoptysis

Question 6

Activation of the extrinsic pathway of coagulation is initiated by

Accepted Answer

A)   platelet factors.
B)   collagen exposure.
C)   tissue thromboplastin.
D)   factor VII.

Question 7

The final step in clot formation is

Accepted Answer

A)   conversion of prothrombin to thrombin.
B)   platelet degranulation and adhesion.
C)   conversion of fibrinogen to fibrin.
D)   clot retraction.

Question 8

A patient is diagnosed with a tortuous blood vessel of the right hand that bleeds spontaneously.This patient presents with

Accepted Answer

A)   petechiae.
B)   purpura.
C)   telangiectasia.
D)   thrombocytosis. C

Question 9

The activated partial thromboplastin time (aPTT) is a measure of the integrity of

Accepted Answer

A)   the extrinsic pathway.
B)   the intrinsic pathway.
C)   factor VIII synthesis.
D)   plasminogen.

Question 10

A patient presents to the physician's office with pinpoint hemorrhages on the skin.The patient is most likely between the ages of _____ years.

Accepted Answer

A)   6 months and 2
B)   4 and 7
C)   15 and 18
D)   25 and 45 B

Question 11

A commonly ingested substance associated with prolongation of the bleeding time is

Accepted Answer

A)   acetaminophen.
B)   tobacco.
C)   caffeine.
D)   aspirin. D

Question 12

A newborn has melena,bleeding from the umbilicus,and hematuria.The newborn most likely experiencing

Accepted Answer

A)   vitamin K deficiency bleeding.
B)   acquired vitamin K deficiency.
C)   von Willebrand disease.
D)   disseminated intravascular coagulation.

Question 13

Disseminated intravascular coagulation may be treated with heparin therapy to

Accepted Answer

A)   enhance fibrinolysis.
B)   inhibit clotting factor consumption.
C)   activate platelets.
D)   enhance liver synthesis of clotting factors.

Question 14

A normal bleeding time in association with normal platelet count,and increased prothrombin time (PT) and INR,is indicative of

Accepted Answer

A)   vitamin K deficiency.
B)   hemophilia B.
C)   hemophilia A.
D)   idiopathic thrombocytopenia.

Question 15

Widespread activation of the clotting cascade secondary to massive trauma is called

Accepted Answer

A)   hemophilia B.
B)   disseminated intravascular coagulation (DI
C)  .
C)   Hageman disease.
D)   idiopathic thrombocytopenia purpura.

Question 16

Hemophilia B is also known as Christmas disease.

Accepted Answer

A) True 
 B)False

Question 17

The liver is responsible for the synthesis of coagulation factors,with the exception of part of VIII.

Accepted Answer

A) True 
 B)False

Question 18

The prothrombin time (PT) and INR (international normalized ratio) measure the integrity of

Accepted Answer

A)   platelet function.
B)   extrinsic pathway.
C)   intrinsic pathway.
D)   fibrinolysis.

Question 19

A cause of thrombocytopenia includes

Accepted Answer

A)   hypoxemia.
B)   reduced erythropoietin.
C)   chemotherapy.
D)   secondary polycythemia.

Question 20

Which diseases may be associated with a bleeding problem? (Select all that apply.)

Accepted Answer

A)   Urinary retention
B)   Renal failure
C)   Cirrhosis
D)   Systemic lupus erythematosus
E)   Ovarian cancer

Exam 14: Alterations in Homeostasis and Blood Coagulation

The megakaryocyte is a precursor to

Correct AnswerverifiedShow Answer

A 3-year-old boy who exhibits prolonged bleeding after minor trauma and a prolonged aPTT,but a normal platelet count,is likely to be diagnosed with

Correct AnswerverifiedShow Answer

Treatment for hemophilia A includes

Correct AnswerverifiedShow Answer

Dysfunction of which organ would lead to clotting factor deficiency?

Correct AnswerverifiedShow Answer

A male patient involved in a motor vehicle accident is brought to the emergency department with acute flank pain.What additional signs of bleeding may the patient exhibit? (Select all that apply.)

Correct AnswerverifiedShow Answer

Activation of the extrinsic pathway of coagulation is initiated by

Correct AnswerverifiedShow Answer

The final step in clot formation is

Correct AnswerverifiedShow Answer

A patient is diagnosed with a tortuous blood vessel of the right hand that bleeds spontaneously.This patient presents with

Correct AnswerverifiedC

The activated partial thromboplastin time (aPTT) is a measure of the integrity of

Correct AnswerverifiedShow Answer

A patient presents to the physician's office with pinpoint hemorrhages on the skin.The patient is most likely between the ages of _____ years.

Correct AnswerverifiedB

A commonly ingested substance associated with prolongation of the bleeding time is

Correct AnswerverifiedD

A newborn has melena,bleeding from the umbilicus,and hematuria.The newborn most likely experiencing

Correct AnswerverifiedShow Answer

Disseminated intravascular coagulation may be treated with heparin therapy to

Correct AnswerverifiedShow Answer

A normal bleeding time in association with normal platelet count,and increased prothrombin time (PT) and INR,is indicative of

Correct AnswerverifiedShow Answer

Widespread activation of the clotting cascade secondary to massive trauma is called

Correct AnswerverifiedShow Answer

Hemophilia B is also known as Christmas disease.

Correct AnswerverifiedShow Answer

The liver is responsible for the synthesis of coagulation factors,with the exception of part of VIII.

Correct AnswerverifiedShow Answer

The prothrombin time (PT) and INR (international normalized ratio) measure the integrity of

Correct AnswerverifiedShow Answer

A cause of thrombocytopenia includes

Correct AnswerverifiedShow Answer

Which diseases may be associated with a bleeding problem? (Select all that apply.)

Correct AnswerverifiedShow Answer

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C

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B

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D

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