Question 69

Increased bleeding time

A phlebotomist should anticipate increased bleeding time for a patient who has been taking warfarin, as this medication is an anticoagulant that prolongs the time it takes for blood to clot.

A) Fasting requirement

This option is incorrect as fasting requirements are not directly related to the effects of warfarin. Fasting is typically necessary for certain laboratory tests but does not influence bleeding times or coagulation parameters associated with anticoagulation therapy.

B) Alternate antiseptic required

This option is also incorrect. While certain antiseptics may be preferred for specific procedures, there is no indication that an alternate antiseptic is required for patients on warfarin. Standard antiseptic protocols can be followed unless otherwise indicated.

C) Increased bleeding time

This option is correct because warfarin acts as an anticoagulant, meaning it inhibits the clotting process, leading to prolonged bleeding times. Phlebotomists must be aware of this risk when drawing blood from patients on warfarin.

D) Specimen placed on ice

This option is incorrect as placing a specimen on ice is not a standard requirement for patients on warfarin. Specimen handling protocols vary based on tests being conducted and are not determined by the patient's anticoagulation status.

Conclusion

In summary, the correct answer is increased bleeding time, as this directly reflects the anticoagulant effects of warfarin on the patient's blood. The other options do not accurately relate to the implications of anticoagulation therapy and therefore are not pertinent in this context. Understanding the effects of medications like warfarin is crucial for ensuring patient safety during blood collection procedures.