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M0T 138**
Chapter 40
Question | Answer |
---|---|
What is the phlebotomist's primary role? | To efficiently collect blood for accurate and reliable test results. |
Performing tasks in an efficient, competent manor, wearing clean and neat attire while showing concern for pt's displays? | Professionalism. |
The system in which blood is transported? | The circulatory system. |
Where is the primary factory that produces blood cells? | In the bone marrow. |
Organs, lymph nodes, thymus and spleen are additional sites for? | Blood cell formation. |
What are the functions of blood? | Blood carries oxygen and nutrients to the tissues and removes carbon dioxide. |
Where does blood move waste products to for elimination? | The lungs, kidneys, liver and skin. |
What does the circulatory system consist of? | The heart, arteries, veins and capillaries. |
When blood flows AWAY from the heart, it is flowing through? | The arteries. |
When blood is flowing back to the heart, it is flowing through? | The veins. |
What is connecting most of the arteries and veins? | Capillaries. |
T/F: Arteries have a thick wall that helps them withstand the pressure of the pumping action of the heart. | True. |
Arteries branch to form? | Arterioles. |
Arterioles branch to become? | Capillaries. |
Capillaries come together to form? | Venules. |
Venules become? | Veins. |
Artery-Arteiole-Capillary-Venule-Vein is? | The path blood follows through the body. |
Which type of blood leaves the heart and carries oxygen to the tissues by releasing the oxygen through the cell wall of the capillaries? | Oxygenated arterial blood. |
How many liters (L) of of blood does the body contain? | Approximately 6 (L). |
What is the % of blood that is formed elements? | 45% |
The 45% of the formed cellular elements of blood consists of? | Erythrocytes, leukocytes and thrombocytes. |
What % of blood is liquid? | 55% |
What is the main difference between serum and plasma? | Plasma contains fibrinogen and serum does not. |
Preferred site for venipuncture? | Antecubital space. |
Which vein is used the majority of the time? | Median cubidal vein. |
What are the three methods used to preform venipuncture? | Syringe method, vacuum method, syringe method. |
Which type of punctures does the medical assistant usually do not do? | Arterial punctures for blood gas testing. |
What size will most syringes be when you preform venipuncture? | 5 and 10mL. |
Which tip allows the needle to be securely twisted onto the syringe? | The Luer-Lok tip. |
(T/F): needles attached to syringes and used for venipuncture do not necessarily differ from needles used for injections. | True. |
Most common size needles are? | 20, 21, or 22 gauge or 1-1.5 inches in length. |
(T/F): The larger the number the smaller the gauge. | True. |
What is the special needle? | Double ended needle for the vacuum tube method. |
Which type of needle will you use for a vacuum tube multi draw? | A multi draw needle. |
A winged infusion set is also known as? | Butterfly collection system. |
Butterfly needles are usually smaller? Or what gauge? | 21 or 23 gauge. |
OSHA requires safety needles to prevent stick injuries? | Yes. |
Anti coagulated blood is? | Step 1 to blood clotting. |
Calcium utilized is? | Step 2 to blood clotting. |
Prothrombin converts to thrombin is? | Step 3 to blood clotting. |
Fibrinogen converts to fibrin is? | Step 4 to blood clotting. |
Clot formation is? | Step 5 to blood clotting. |
Chemistries, immunology, serology and blood bank (cross match), which tube? | Red top. |
Blood type screening and chemistries, which tube? | Red tiger top. |
Serology, endocrine, immunology including HIV, which tube? | Gold top. |
Chemistries, which tube? | Light green top. |
He,apology (CBC), blood bank cross match, full raw invert 8 times to prevent clotting and platelet clumping, which tube? | Lavender top. |
Coagulation tests, which tube? | Light blue top. |
Ammonia, lactate, HLA typing for lithium level or ammonia level, which tube? | Dark green top. |
Toxicology, trace element, drug level testing, which tube? | Dark/royal blue top. |
For lithium level, use sodium heparin, glucose full draw, which tube? | Light gray. |
Paternity testing, DNA studies, which tube? | Yellow top. |
Serum lead determination, which tube? | Tan/brown top. |
Westergren sed rat, full draw, which tube? | Black top. |
STAT serum chemistries, which tube? | Orange top. |
Yo Bitch Rigel Gets Lucky Picking Great Douche Bags--- stands for? | Order of draw-- yellow, light blue, red, greens, lavender, pink, gray, dark blue. |
1 inch wide and 15-18 inches long is the size of? | The tourniquet. |
When using a blood pressure cuff as a tourniquet what should you do? | Take BP, and then maintain scuff slightly below diastolic pressure. Average 40mm/Hg. |
(T/F): Due to OSHA Bloodborne Pathogen Standard all collection trays are to be red or labeled with an approved biohazard sticker. | True. |
Pt's first last mi, DOB, ID number, date and time and your initials are all things that are needed for? | Specimen labeling before leaving the pt's side. |
Anticubidal region of the arm,, back of hand, back of wrist, ankle or foot is the order for? | Checking for the best available site. |
Apply the tourniquet? | 3-4 inches above the site. |
When performing venipuncture with a syringe it is important to hold pressure for 2-3 min after removing the needle or elevating the arm to stop the bleeding but it is not advised to bend the elbow, why? | This increases the risk for a hematoma. |
Does blood alcohol affect test results and should be replaced with non alcoholic antiseptic beforehand. | Yes. |
Diurnal rhythm. | Draw at intervals b/c of medication rhythm. Time must be noted. |
Exercise | Increases heart enzymes--trained runners can have false results due to runners anemia. |
Fasting. | If eating while fasting, test results will be compromised. |
Heparin. | Using incorrectly can affect test results. |
Stress. | Excessive crying can alter the WBC count. |
Tourniquet on too long. | Can result in hemoconcentration, changing chemical concentration. |
Volume. | Not enough blood causes a dilution factor, changing the size of cells and variation of results. |
Upper Cut Puffy Face n Cheeks stand for? | Steps to blood clotting-- Uncoagulated blood, calcium utilized, prothrombin to thrombin, fibrinogen to fibrin, clot forms. |