Haemostasis

Question 1 of 20

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Define haemostasis

Select one of the following:

  • Production of blood cells

  • Circulation of blood

  • Blood clotting/the arrest of bleeding

Question 2 of 20

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Which blood components make up haemostatic mechanisms?

Select one or more of the following:

  • Platelets

  • Vascular epithelium

  • Fibrinolysis

  • RBC's

  • WBC's

Question 3 of 20

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Platelets contain granules

Select one of the following:

  • True
  • False

Question 4 of 20

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Name two traits of platelets

Select one or more of the following:

  • Open canicular structure

  • No nucleus

  • Glycoprotein rich surface

  • Indented membrane

Question 5 of 20

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What cells produce platelets (4000 from each cell)?

Select one of the following:

  • Megakaryocytes

  • Myeloblasts

  • Lymphoblasts

Question 6 of 20

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The normal platelet range is 150-400 x10^9/l

Select one of the following:

  • True
  • False

Question 7 of 20

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Once collagen is exposed, what binds to it?

Select one of the following:

  • Van Willibrown Factor

  • Factor V

  • Factor III

  • De Montfort Factor

Question 8 of 20

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Platelets bind to _ Factor and release

Select one or more of the following:

  • ADP

  • Thromborin A2

  • Thrombulin

  • ATP

Question 9 of 20

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A FBC and film exclude drugs/diseases that cause platelet disorders

Select one of the following:

  • True
  • False

Question 10 of 20

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What symptoms suggest platelet failure?

Select one or more of the following:

  • Spontaneous/easy bruising

  • Gastrointestinal Bleed

  • Epitaxis

Question 11 of 20

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A child with a platelet disorder is most likely to have aquired it

Select one of the following:

  • True
  • False

Question 12 of 20

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How does the Platelet Function Analyser work?

Select one of the following:

  • 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

  • Forces blood through damaged tubes lined with fibrinogen and tests clotting time

Question 13 of 20

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What causes petechiae?

Select one of the following:

  • Bleeding under the skin

  • Spontaneous blood clotting

  • Spontaneous blood pooling

Question 14 of 20

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Bleeding time is rarely done, as it involves damaging the patient further

Select one of the following:

  • True
  • False

Question 15 of 20

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In an aggregation panel, exposed, concentrated platelets are exposed compared to what?

Select one of the following:

  • The last aggregation test taken

  • A sex matched control

  • An age and sex matched control

Question 16 of 20

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Which of the following hereditary platelet disorders don't have reduced aggregation with Ristocetin?

Select one of the following:

  • Van Willebrown disorder

  • Bernard Soulier Disorder

  • Glonzmans Thromobasthenia

Question 17 of 20

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Only Van Willebrowns disorder doesn't involve missing glycoproteins

Select one of the following:

  • True
  • False

Question 18 of 20

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Which of the following foods don't effect clotting?

Select one of the following:

  • Bananas

  • Peppers

  • Onions

  • Garlic

Question 19 of 20

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Name a drug that can reduce blood clotting

Select one of the following:

  • Aspirin

  • Calnexin

  • Ibruprofen

Question 20 of 20

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Myeloproliferative- where excess cells are poduced by the bone marrow

Select one of the following:

  • True
  • False
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Haemostasis

gina_evans0312
Quiz by , created almost 3 years ago

Haematology and Anatomy (Coagulation) Quiz on Haemostasis, created by gina_evans0312 on 09/01/2014.

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gina_evans0312
Created by gina_evans0312 almost 3 years ago
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