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preferred collection site for laboratory testing of a patient at high risk for venous thrombosis
Arterial sample
Which screening test measures the overall integrity of primary hemostasis
Bleeding time
A patient has a seizure while you are performing a venipuncture. What should you do
Remove the tourniquet and needle immediately, apply pressure, and call the nurse for help
what vein should be avoided to reduce chances of nerve damage
Basilic
What's Basal state
refers to body’s state after 8 to 12 hours of fasting
what has higher levels in capillary blood than in venous blood
Glucose
When performing a bleeding time test, the blood pressure cuff should be inflated to
40 mm Hg
During a prolonged hospitalization, a patient requiring many laboratory tests may develop what condition as a result of multiple blood samples being drawn
Anemia
Which antiseptic is not recommended for children under the age of 2
Benzalkonium chloride
What is the approximate blood volume of an average 150-pound adult
5 liters
What is the maximum acceptable depth for a heel puncture
2 mm
proper technique when performing a bleeding time test
Record the time when blood is no longer absorbed by the filter paper
Collections for which department require a special patient identification system in addition to the hospital ID bracelet
Blood bank
Removal of greater than what percentage of a child’s blood volume can cause cardiac arrest
10%
Adhesive bandages are not used on children younger than what age due to the danger of choking
2 years
What is the maximum acceptable width for a dermal puncture
2.4 mm
What is another name for a dermal puncture
skin puncture
If an IV is in place and there are no other accessible sites, where should the blood specimen be collected
Distal to the IV
What is the term for a buildup of bilirubin in the blood and skin?
Jaundice
U.S. law requires states to test for a minimum of two inherited conditions. What are the two conditions
Hypothyroidism and PKU
Which antiseptic may affect the results of tests for bilirubin, uric acid, potassium, and phosphorus from a dermal puncture and therefore should not be used on a dermal puncture
Povidone-iodine
Drawing excessive amounts of blood from a patient puts them at risk for what type of anemia
Iatrogenic
If the bevel is stuck to the wall of the vein, what should be done
Slightly rotate the needle
How long should the heel of a neonate be warmed prior to a heel stick
3–5 minutes
What type of shunt is used for dialysis patients to connect to the dialysis machine
Arteriovenous (AV) shunt