Platelet Count Methods in Hematology

PainlessRomanArt avatar
PainlessRomanArt
·

Start Quiz

Study Flashcards

18 Questions

Which of the following is a purplish-red pinpoint hemorrhagic spot in the skin caused by loss of capillary ability to withstand normal blood pressure and trauma?

Petechiae

What is the term for the form of purpura in which blood escapes into large areas of skin and mucous membranes, but not into deep tissues?

Ecchymosis

What is the term for leakage of blood into joint cavities?

Hemarthrosis

Which disorder is characterized by deficiency in GP Ib/IX/V complex, lack of adhesion to VWF, and abnormal response to thrombin?

Bernard Soulier Syndrome

Which disorder is characterized by a deficiency in GPIIb/IIIa and abnormal in vitro clot retraction with normal platelet count?

Glanzmann Thrombasthenia

What mutation is associated with Wiskott-Aldrich Syndrome?

Mutation in WASp gene

Which syndrome is characterized by a deficiency of alpha granules and mutant NBEAL2 gene?

Gray-Platelet syndrome

What is the hallmark of myeloproliferative disorders associated with thrombocytosis?

Elevation in platelet count

'Thrombocytosis' can have a secondary origin due to:

'Reactive thrombocytosis'

What is the primary function of Catulong, RMT Laboratory Tests for Primary Hemostasis Evaluation?

Evaluating platelet count and function

What is the normal reference range for platelet count in Catulong, RMT Laboratory Tests for Primary Hemostasis Evaluation?

150-450*109/L

Why is platelet count a crucial starting point in evaluating bleeding problems traceable to platelets?

To determine the number of platelets present

What is the significance of knowing the normal platelet estimate of 5-20 platelets per OIF with 200 RBCs?

To assess distribution in an event

What is Platelet Satellitism (Satellotosis) associated with?

Adherence of platelets around neutrophils

What is the correct action when Platelet Satellitism is observed using EDTA?

Repeat the collection using sodium citrate anticoagulant

How can the platelet count be obtained according to the text?

Multiplying the count by a factor of 1:1

What is the term for the form of purpura where blood escapes into large areas of skin and mucous membranes, but not into deep tissues?

Petechiae

What is the term for leakage of blood into joint cavities?

Hemarthrosis

Explore the various methods used for platelet count in hematology, including manual direct counts like Tocantins Method and Rhese-Ecker Diluent, as well as indirect counts. Learn about the Brecher-Cronkite Method, which is considered the gold standard in platelet counting.

Make Your Own Quizzes and Flashcards

Convert your notes into interactive study material.

Get started for free

More Quizzes Like This

Use Quizgecko on...
Browser
Browser