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CMA
CH. 33 & 34
| Question | Answer |
|---|---|
| What needle size is most commonly used for adult venipuncture | 20 gauge |
| What is the slant at the opening end of a needle called? | Bevel |
| What vacutainer tubes are routinely used for hematology testing? | Lavender |
| What anticoagulant can prevent platelets from clumping and preserves the appearance of blood cells for microscopic preparation? | EDTA |
| What color tube are no anticoagulants found? | Red Topped |
| What type of tube should be used to collect blood specimens during a glucose tolerance test? | Gray topped |
| What is a tourniquet used for during the phlebotomy procedure? | prevent venous flow out of the site & make the veins in the area more prominent. |
| leaving the tourniquet tied on a patient arm for longer than the recommended time results in what? | Hemoconcentration |
| A syringe is preferred over vacutainer collection device when what? | the patients veins are fragile |
| The laboratory requisition indicates that you are to collect a venous blood specimen for hematology testing, serum chemistry testing, and coagulation studies. What is the proper order of collection? | light blue, red, lavender |
| A tourniquet should remain tied on a patients arm no longer than? | 1 min |
| the part of the venipuncture needle that fits into the syringe or vacutainer is called what | Hub |
| You are required to collect a venous sample for a complete blood count (CBC) What venipuncture tube would you collect? | Lavender-topped tube |
| What is defined as the liquid portion of whole blood that contains clotting factors? | Plasma |
| In a routine venipuncture, what angle should the needle be when it enters the arm? | 15-30 degrees |
| What is the proper venipuncture tube for collecting a serum specimen? | light-blue & red-topped tube |
| How can a hematoma be caused? | Blind probing, failure to insert the needle far enough, penetration of the needle through the vein. |
| what is the most common phlebotomy site(s) in adults? | Antecubital space |
| Why should a tourniquet not be too tight? | Impedes arterial blood flow, restricts venous blood return, veins will not bilge or plump up. |
| A winged infusion set is also known as a | butterfly needle |
| What antiseptics would not be used when collecting a blood alcohol sample? | 70% isopropyl alcohol |
| what is the proper technique for performing a venipuncture? | Needle bevel is face up, and the needle is inserted at a 15-30 degree angle. |
| In adult and children, which finger is usually used for routine capillary puncture site? | Ring finger |
| What color tube is used for collection of a coagulation test? | Light blue |
| What is the first step OSHA recommends for the effective management of an accidental sharps exposure? | the site is washed for a 10 min with soap, 10% iodine solution, or chlorine based antiseptic. |
| If sample for more than one tube must be drawn during venipuncture what order of draw follows CLSI standards? | Yellow, Red, Green |
| What additive removes calcium to prevent blood from clotting in the tube? | Sodium Citrate |
| TSH levels are assessed to determine the function of what organs? | Pituitary gland |
| What blood test determines long range blood glucose? | A1c |
| what is a normal hemoglobin for a female? | 14gldL |
| What is a abnormal value for a differential in adults | 50% to 70% basophils |
| Describe a properly prepared wedge smear? | has blood covering one-half to three quarters of the slide |
| A blood test that analyzes the ability of the kidney to perform their function is the what? | BUN |
| Increases in the RBC count are found in what? | Dehydration |
| What is the ESR test result? | Indicator of inflammation in the body |
| Using capillary blood from a finger, the cholestech LDX analyzer is capable of measuring what? | HDL, LDL, VLDL, TC/HDL ratio & glucose |
| What test is used for the initial screening of a patient for diabetes type 2? | Fasting blood glucose |
| what makes up approximately 55% of blood volume? | Plasma |
| In emergencies, if there is no time for the laboratory to preform a type and cross-match, what type of blood is considered to be a universal donor? | Type O |
| T cells and B cells are a sub classification of what? | Lymphocytes |
| Microscopically, what cells have large dark, blue-black granules and contain histamine? | Basophils |
| What leukocytes are associated with allergies? | Eosinophils |
| What test id used to detect liver and bone disease? | Alkaline phosphatase |
| What test is used to assess kidney function? | Albumin |
| Patients with this condition produce an unusually large number of red blood cells. What is the condition? | Polycythemia |
| What is the name used to describe an immature neutrophil? | band cell |
| _________________ is the smallest formed element in the peripheral, blood cell fragment that assists with clotting. | Platelet |
| What is the instrument used to separate blood cells from plasma? | Centrifuge |
| Increases in this test may indicate conditions such as acute and chronic infections, rheumatic fever, and lupus erythematosus, rheumatoid arthritis, tuberculosis, hepatitis, cancer, and multiple myeloma. what is the test? | ESR |
| What test is used to assess kidney parathyroid function? | Albumin |
Created by:
Gsteele16