472694
Descrição
Quiz por gina_evans0312, atualizado more than 1 year ago
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Criado por gina_evans0312
mais de 10 anos atrás
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Questão 1
Questão
Define haemostasis
Responda
-
Production of blood cells
-
Circulation of blood
-
Blood clotting/the arrest of bleeding
Questão 2
Questão
Which blood components make up haemostatic mechanisms?
Responda
-
Platelets
-
Vascular epithelium
-
Fibrinolysis
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RBC's
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WBC's
Questão 3
Questão
Platelets contain granules
Responda
- True
- False
Questão 4
Questão
Name two traits of platelets
Responda
-
Open canicular structure
-
No nucleus
-
Glycoprotein rich surface
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Indented membrane
Questão 5
Questão
What cells produce platelets (4000 from each cell)?
Responda
-
Megakaryocytes
-
Myeloblasts
-
Lymphoblasts
Questão 6
Questão
The normal platelet range is 150-400 x10^9/l
Responda
- True
- False
Questão 7
Questão
Once collagen is exposed, what binds to it?
Responda
-
Van Willibrown Factor
-
Factor V
-
Factor III
-
De Montfort Factor
Questão 8
Questão
Platelets bind to _ Factor and release
Responda
-
ADP
-
Thromborin A2
-
Thrombulin
-
ATP
Questão 9
Questão
A FBC and film exclude drugs/diseases that cause platelet disorders
Responda
- True
- False
Questão 10
Questão
What symptoms suggest platelet failure?
Responda
-
Spontaneous/easy bruising
-
Gastrointestinal Bleed
-
Epitaxis
Questão 11
Questão
A child with a platelet disorder is most likely to have aquired it
Responda
- True
- False
Questão 12
Questão
How does the Platelet Function Analyser work?
Responda
-
Forces blood through a membrane with a high shear rate and tests clotting time
-
Forces blood into a medium high in collage and tests clotting time
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Forces blood through damaged tubes lined with fibrinogen and tests clotting time
Questão 13
Questão
What causes petechiae?
Responda
-
Bleeding under the skin
-
Spontaneous blood clotting
-
Spontaneous blood pooling
Questão 14
Questão
Bleeding time is rarely done, as it involves damaging the patient further
Responda
- True
- False
Questão 15
Questão
In an aggregation panel, exposed, concentrated platelets are exposed compared to what?
Responda
-
The last aggregation test taken
-
A sex matched control
-
An age and sex matched control
Questão 16
Questão
Which of the following hereditary platelet disorders don't have reduced aggregation with Ristocetin?
Responda
-
Van Willebrown disorder
-
Bernard Soulier Disorder
-
Glonzmans Thromobasthenia
Questão 17
Questão
Only Van Willebrowns disorder doesn't involve missing glycoproteins
Responda
- True
- False
Questão 18
Questão
Which of the following foods don't effect clotting?
Responda
-
Bananas
-
Peppers
-
Onions
-
Garlic
Questão 19
Questão
Name a drug that can reduce blood clotting
Responda
-
Aspirin
-
Calnexin
-
Ibruprofen
Questão 20
Questão
Myeloproliferative- where excess cells are poduced by the bone marrow
Responda
- True
- False
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