A Prolonged PTT Is Corrected When Mixed with Normal Plasma

question 20

Multiple Choice

A prolonged PTT is corrected when mixed with normal plasma and tested immediately and after a 2-hour incubation.Which test (or tests) should be performed next?

• A)Bethesda titer
• B)high-phospholipid PTT
• C)anti-Xa assay
• D)factor VIII and IX assays

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Definitions:

Skin Lesion

Any abnormal change in the skin's color or texture, often a sign of disease or injury.

Macule

A flat, distinct, discolored area of skin less than 1 centimeter wide that does not involve any change in the thickness or texture of the skin.

Melanoma

A type of cancer that develops in the pigment-producing cells known as melanocytes, often manifesting as a mole with an irregular shape, size, or color.

Color Varies

Indicates that the color of an object or substance can change under different conditions or in different instances.