Blood Collection and Venipuncture

Front

When should a tourniquet be released?

Back

As soon as blood flow is established (never longer than 1 minute).

Front

What is the angle of needle for venipunctures in the arm?

Back

15–30° for arm veins; 10–15° for hand veins.

Front

What is the term for examining by touch?

Back

Palpation.

Front

Is it okay to draw blood from an arm with an AV fistula?

Back

No, never.

Front

What is the next step after cleaning the site with alcohol?

Back

Allow the site to air-dry completely.

Front

What is the unique number assigned to a specimen called?

Back

Accession number.

Front

What do you do if you encounter an unconscious person?

Back

Check responsiveness, call for help/activate EMS, begin CPR if needed, follow emergency protocol.

Front

What information needs to be engrafted on a newborn?

Back

Mother’s full name and medical record number, plus newborn’s date/time of birth.

Front

Does consent to have blood drawn always need to be verbal?

Back

No — consent can be implied, verbal, or written.

Front

How far above the venipuncture site should the tourniquet be placed?

Back

3–4 inches (7–10 cm).