Quiz 4: Capillry, Finger/Heel Stick, Hemostasis, Specimen Handling, Additional Test Flashcards
T/F a skin puncture is also referred to as a derma stick/puncture?
True
Is the phlebotomist able to do a finger stick when performing a test using blood culture bottles?
No, finger sticks are only for smaller blood samples
What is a capillary?
A microscopic blood vessel
Hemolysis may occur by excessively _______ the finger during a skin puncture
Milking
T/F capillary punctures are only performed on adults?
False
Why are capillary punctures not performed using hypodermic needles?
They can be difficult to control
What is osteomyelitis?
Inflammation of the bone and bone marrow
What two reasons that a phlebotomist may result to a finger stick?
Can’t find the vein or patient is severely obese or the patient has scarred veins
Do you use a tourniquet for a dermal stick?
No, lightly squeeze the finger
Why should you avoid wiping the first drop of blood with an alcohol pad?
The alcohol may hemolysis the blood specimen and keep a round droplet from forming
When is the heel used for a dermal puncture?
On infants less than 1-2 yrs
T/F 2.0mm lancets should be used for heel sticks on preemies
False
What is the recommended area for a heel stick?
Medial and Lateral portions of the plantar surface of the foot
T/F It is not appropriate to use the arch of the foot for a heel stick?
True
What is a common test performed on infants via heel stick?
Bilirubin
What is the most common treatment for jaundice?
Phototherapy/light therapy
What is hemeostasis?
The process in which blood vessels are repaired after injury
Repair of blood vessels occurs in how many stages?
4; vascular, platelet, coagulation, fibrinolysis
What does the Prothrombin Time test (PT) evaluate?
Extrinsic pathway
A bleeding time test (BTT) is used to evaluate?
The primary stages of hemeostasis
What is fibrinolysis?
The breakdown and removal of the clot
What are three things needed to be in working order for hemostasis to occur?
Blood vessels, blood platelets, and coagulation factord
Which test is used to evaluate the intrinsic pathway in the coagulation phase of hemostasis?
Partial thromboplastin time test (PTT)
T/F all test require the same handling and preservation
False
