Platelet Defects

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Which of the following is true about platelet defects?

Platelet morphology is always normal in qualitative defects.

Qualitative defects can occur even with normal platelet counts. (correct)

Qualitative defects do not affect platelet function.

Quantitative defects are more common than qualitative defects.

What is the purpose of using a platelet function analyzer?

To evaluate platelet counts

To measure platelet aggregation (correct)

To identify qualitative defects

To determine platelet morphology

Which statement about aspirin and platelet disorders is correct?

Aspirin can reduce platelet aggregation. (correct)

Aspirin can cause thrombocytosis.

Aspirin only affects platelet morphology.

Aspirin has no effect on platelet function.

How long can the effects of aspirin on platelet function last?

7 to 10 days Signup and view all the answers

Which of the following can impair platelet function?

End-stage renal disease Signup and view all the answers

What can be observed in platelet morphology in qualitative defects?

Hypogranular and pale morphology Signup and view all the answers

Which of the following can cause significant bleeding after aspirin ingestion?

Coagulation disorders Signup and view all the answers

What tests may be useful in determining the etiology of a bleeding disorder?

PT and aPTT Signup and view all the answers

Which of the following is NOT a cause of platelet dysfunction?

Normal platelet counts Signup and view all the answers

Is the severity of bleeding in platelet defects correlated with platelet count or coagulation tests?

No, it is not correlated with either. Signup and view all the answers

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 Signup and view all the answers

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 Signup and view all the answers

What is a common manifestation of platelet dysfunction?

Ecchymoses Signup and view all the answers

What is a potential risk for patients with platelet dysfunction after trauma or invasive procedures?

Bleeding Signup and view all the answers

What is a recommended medical management strategy for platelet dysfunction associated with a medication?

Stopping the medication Signup and view all the answers

What medication can reduce the duration of bleeding and improve hemostasis for some patients with platelet dysfunction?

Desmopressin Signup and view all the answers

What substances should patients with platelet dysfunction avoid?

OTC medications such as aspirin and NSAIDs Signup and view all the answers

What should patients with platelet dysfunction do before undergoing any invasive procedure?

Notify all health care providers, including dentists Signup and view all the answers

Why is maintaining good oral hygiene important for patients with platelet dysfunction?

To reduce risk for gingival bleeding Signup and view all the answers

What medication can be used to prevent significant bleeding after procedures in patients with platelet dysfunction?

Aminocaproic acid Signup and view all the answers