For capillary collection on cold hands the MA should...

Rationale

Soak in warm water.

Soaking the hands in warm water helps to dilate blood vessels and improve circulation, making it easier to obtain a capillary blood sample from cold hands. This technique enhances blood flow to the skin's surface, facilitating the collection process.

A (Soak in warm water) CORRECT

Soaking the hands in warm water is an effective method to warm the extremities and increase blood flow. This practice is essential in capillary collection, especially in patients with cold hands, as it promotes vasodilation and enhances the accessibility of capillary blood.

B (Clean with 60 % alcohol) YOUR ANSWER

While cleaning the site with alcohol is important for antiseptic purposes, using 60% alcohol does not address the issue of cold hands. It may help to disinfect the skin, but it does not improve blood circulation or warmth, which are critical for successful capillary collection.

C (Use great toe) YOUR ANSWER

Using the great toe is an alternative site for capillary collection; however, it does not resolve the problem of cold hands. If the hands are cold, the great toe may also be affected by poor circulation, making blood collection challenging and not an effective solution for this specific situation.

D (Place on heat block) YOUR ANSWER

Placing hands on a heat block can be beneficial, but it is not as practical as soaking in warm water for warming cold hands before capillary collection. The heat block method may require more specialized equipment and may not be readily available in all settings.

Conclusion

In capillary collection, especially from cold hands, the most effective approach is to soak them in warm water, which increases circulation and facilitates blood flow. Other options, such as cleaning with alcohol or using alternative sites, do not directly address the issue of cold hands and may hinder the collection process. Proper warming techniques are crucial for ensuring successful capillary blood sampling.

For capillary collection on cold hands the MA should...

Soak in warm water.

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