How Is the Presence of VIII:vWF Demonstrated in the Laboratory

question 23

Multiple Choice

How is the presence of VIII:vWF demonstrated in the laboratory?

• A) One-stage APTT
• B) Platelet response to aggregation by ristocetin
• C) One-stage PT
• D) Reptilase test
• E) None of the above

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Definitions:

Germ Contamination

The presence of harmful microorganisms or their toxins in substances or environments where they are not supposed to be, leading to potential infection.

Compulsion

An irresistible urge to perform certain behaviors repeatedly, often as a way to reduce anxiety or distress.

Obsession

A persistent, intrusive, and unwanted thought that causes significant distress or anxiety.

Dissociative Disorders

A group of mental disorders characterized by an involuntary escape from reality involving a disconnection between thoughts, identity, consciousness, and memory.