A Patient Visits a Physician Because of Unexplained Bruising and Prolonged

question 3

Multiple Choice

A patient visits a physician because of unexplained bruising and prolonged bleeding from a recent tooth extraction. The physician orders a prothrombin time (PT) and an APTT. Results are within normal reference ranges. What other tests could the physician order to investigate the patient's symptoms?

• A) Platelet count and platelet function assays
• B) Platelet function assays
• C) Platelet count only
• D) Repetition of the PT and the APTT after the beginning of treatment

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Definitions:

Punishment

The imposition of a penalty or negative consequence following undesirable behavior, aimed at reducing or eliminating that behavior.

Punishment Contrast

A phenomenon whereby a behavior that is suppressed through punishment in one situation increases in another situation in which punishment was not administered.

Suppression

A method or action taken to stop or reduce an undesired behavior or activity, often through the use of negative consequences or removal of positive reinforcement.

Head-banging

A repetitive and rhythmic self-harming behavior often observed in cases of developmental disorders, stress, or frustration.