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