Quiz Summary
0 of 20 Questions completed
Questions:
Information
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading…
You must sign in or sign up to start the quiz.
You must first complete the following:
Results
Results
0 of 20 Questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
Categories
- Not categorized 0%
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- Current
- Review
- Answered
- Correct
- Incorrect
-
Question 1 of 20
1. Question
Unregulated and excessive formation of thrombin and plasmin is seen in:
CorrectIncorrect -
Question 2 of 20
2. Question
A patient presents with a factor VIII level of 2%. The vWF activity (ristocetin cofactor) is<1% with a vWF antigen of 3%. The most likely diagnosis is:
CorrectIncorrect -
Question 3 of 20
3. Question
A patient with a clot presents with the results shown in this table:
test
result
reference range
PT
15.5 seconds
10.5-12.5 seconds
aPTT
50.3 seconds
24-34.0 seconds
D-dimer
1.62mg/L
<1.10mg/L
fibrinogen
35 mg/dL
180-400 mg/dL
fibrinogen antigen
268 mg/dL
150-350 mg/dL
The most likely diagnosis is:
CorrectIncorrect -
Question 4 of 20
4. Question
The following results are obtained on a pregnant woman who is short of breath.
test
result
reference range
protein C activity
62%
70-120%
protein S activity
50%
62-145%
vWF activity
199%
>50%
vWF antigen
192%
50-150%
factor VIII
189%
50-150%
The patient’s obstetrician calls because of concern about the patient’s clotting risk. Based on the pregnancy status of this patient, the results appear:
CorrectIncorrect -
Question 5 of 20
5. Question
A 65-year-old male with metastatic pancreatic carcinoma shows elevated PT and aPTT, platelet count 15 x 103/μL (15 x 109/L) and elevated D-dimer. A blood smear would show:
CorrectIncorrect -
Question 6 of 20
6. Question
A 25-year-old male with celiac disease presents with occult positive stools. What vitamin deficiency should be considered?
CorrectIncorrect -
Question 7 of 20
7. Question
vWF antigen can be found in which of the following?
CorrectIncorrect -
Question 8 of 20
8. Question
The life span of a platelet is:
CorrectIncorrect -
Question 9 of 20
9. Question
Aspirin affects platelet function by interfering with platelet metabolism of:
CorrectIncorrect -
Question 10 of 20
10. Question
In patients who present with bleeding disorders caused by platelets, the most common type of bleeding is:
CorrectIncorrect -
Question 11 of 20
11. Question
The anticoagulant that is best directed against platelets is:
CorrectIncorrect -
Question 12 of 20
12. Question
How do ticlopidine and clopidogrel inhibit platelets?
CorrectIncorrect -
Question 13 of 20
13. Question
von Willebrand factor mediates platelet adhesion by binding to platelet receptor:
CorrectIncorrect -
Question 14 of 20
14. Question
The disease state that presents with a quantitative platelet disorder is:
CorrectIncorrect -
Question 15 of 20
15. Question
A patient presents with a very low platelet count and is diagnosed with acute idiopathic thrombocytopenic purpura (ITP). Which statement is associated with acute ITP?
CorrectIncorrect -
Question 16 of 20
16. Question
The most common cause of bleeding in patients is:
CorrectIncorrect -
Question 17 of 20
17. Question
A 53-year-old man is in recovery following a triple bypass operation. Oozing is noted from his surgical wound. The laboratory data shown in this table are obtained:
test
result
hemoglobin
12.5 g/dL(125 g/L)
hematocrit
37%
prothrombin time
12.3 seconds
aPTT
34 seconds
platelet count
40.0 x 103/μL (40.0 x 109/L)
fibrinogen
250mg/dL (2.5g/L)
The most likely cause of bleeding would be:
CorrectIncorrect -
Question 18 of 20
18. Question
ADAMTS13 deficiency is responsible for thrombocytopenia found in:
CorrectIncorrect -
Question 19 of 20
19. Question
Heparin induced thrombocytopenia (HIT) is an immune mediated complication associated with heparin therapy. Antibodies are produced against:
CorrectIncorrect -
Question 20 of 20
20. Question
In polycythemia vera, the platelet count is:
CorrectIncorrect