20 Questions
Which of the following is true about platelet defects?
Qualitative defects can occur even with normal platelet counts.
What is the purpose of using a platelet function analyzer?
To measure platelet aggregation
Which statement about aspirin and platelet disorders is correct?
Aspirin can reduce platelet aggregation.
How long can the effects of aspirin on platelet function last?
7 to 10 days
Which of the following can impair platelet function?
End-stage renal disease
What can be observed in platelet morphology in qualitative defects?
Hypogranular and pale morphology
Which of the following can cause significant bleeding after aspirin ingestion?
Coagulation disorders
What tests may be useful in determining the etiology of a bleeding disorder?
PT and aPTT
Which of the following is NOT a cause of platelet dysfunction?
Normal platelet counts
Is the severity of bleeding in platelet defects correlated with platelet count or coagulation tests?
No, it is not correlated with either.
Which of the following is a potential cause of an elevated PT in the setting of a normal aPTT and platelet count?
factor VII deficiency
Which of the following is a potential cause of an elevated aPTT in the setting of a normal PT and platelet count?
von Willebrand disease
What is a common manifestation of platelet dysfunction?
Ecchymoses
What is a potential risk for patients with platelet dysfunction after trauma or invasive procedures?
Bleeding
What is a recommended medical management strategy for platelet dysfunction associated with a medication?
Stopping the medication
What medication can reduce the duration of bleeding and improve hemostasis for some patients with platelet dysfunction?
Desmopressin
What substances should patients with platelet dysfunction avoid?
OTC medications such as aspirin and NSAIDs
What should patients with platelet dysfunction do before undergoing any invasive procedure?
Notify all health care providers, including dentists
Why is maintaining good oral hygiene important for patients with platelet dysfunction?
To reduce risk for gingival bleeding
What medication can be used to prevent significant bleeding after procedures in patients with platelet dysfunction?
Aminocaproic acid
Test your knowledge on platelet defects with this quiz! Learn about quantitative and qualitative platelet defects and how they affect platelet function. Discover the importance of using a platelet function analyzer for evaluation.
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