MA. Chp. 48 collecting, processing, and testing blood specimens
Withdrawing blood from a vein is called?
A. Hematology
B. Phlebotomy
C. Morphology
B. PHLEBOTOMY
Which of the following is the liquid or fluid portion of the blood?
A. Plasma
B. Red blood cells
C. Platelets
A. PLASMA
Which of the following is the term for red blood cells, white blood cells, and platelets?
A. Whole blood
B. Serum
C. Monocyte
D. Formed elements
D. FORMED ELEMENTS
The description of whole blood is?
A. The clear, yellow liquid that remains after a blood clot forms
B. The total volume of plasma and formed elements
C. The main component of erythrocytes
B. THE TOTAL VOLUME OF PLASMA AND FORMED ELEMENTS
Which of the following refers to the rupturing of red blood cells?
A. Capillary puncture
B. Hemolysis
C. Coagulation
B. HEMOLYSIS
Which of the following is the most common antiseptics used to cleanse the skin before drawing?
A. Alcohol
B. Soap and water
C. Hibiclens
A. ALCOHOL
In tests for which the use of alcohol may result in inaccurate test results, which of the following chemicals may be used to prepare the skin before venipuncture?
A. Povidne-iodine
B. Hibiclens
C. Soap and water
A. POVIDINE-IODINE
Which of the following is part of the preparation for a glucose tolerance test?
A. Instruct the patient to eat a high carb diet for 3 days prior to the test
B. Offer the patient a high carb snack before the test
C. Instruct the patient to refrain from eating after the initial blood and urine samples are taken
A. INSTRUCT THE PATIENT TO EAT A HIGH CARB DIET FOR 3 DAYS PRIOR TO THE TEST
Which of the following are the most common sites for venipuncture?
A. Femoral and inguinal veins
B. Median cubital and cephalic veins
C. Great saphenous and superior vena cava veins
B. MEDIAN CUBITAL AND CEPHALIC VEINS
Which of the following items forms the first line of defense during a phlebotomy procedure?
A. Face mask
B. Eye goggles
C. Gloves
C. GLOVES
Which of the following would you include when performing a venipuncture using an evacuation system?
A. Bunch the patients skin above and below the insertion site
B. Insert the needle at a 45* angle with the bevel side down
C. Penetrate the vein wall to a depth of 1/4 to 1/2 inch
C. PENETRATE THE VEIN WALL TO A DEPTH OF 1/4 TO 1/2 INCH
Which blood collection device uses interchangeable collection tubes that are calibrated to collect the exact amount of blood required?
A. Evacuation system
B. Butterfly system
C. Needle and syringe sytem
A. EVACUATION SYSTEM
Which procedure for obtaining a blood sample is usually performed on the middle finger or the ring finger?
A. Evacuation system
B. Capillary puncture
C. Needle and syringe system
B. CAPILLARY PUNCTURE
Which method of drawing blood would you use on a patient with small or fragile veins?
A. Evacuation system
B. Capillary puncture
C. Butterfly system
C. BUTTERFLY SYSTEM
Which of the following is a characteristic of a capillary puncture?
A. The blood is collected using a sterile needle and syringe
B. It is used on patients with small or fragile veins
C. The patient's non-dominant hand is used for this procedure
C. THE PATENT'S NON-DOMINANT HAND IS USED FOR THIS PROCEDURE
Which of the following is used in the capillary puncture technique?
A. Lancet
B. Retracting needle
C. Syringe
A. LANCET
Which of the following tests requires the use of a blood collection tube with a gray stopper?
A. Coagulation studies
B. Blood glucose tests
C. Viral studies
B. BLOOD GLUCOSE TESTS
Which tests require the use of a collection tube with a green stopper?
A. Blood glucose tests
B. Electrolyte studies
C. Coagulation studies
B. ELECTROLYTE STUDIES
Blood chemistries and HIV/AIDS antibody tests must be performed with a collection tube with what color stopper?
A. Red
B. Blue
C. Red/black
A. RED
Which color stopper is used for a collection tube that contains no additives?
A. Yellow
B. Green
C. Lavender
D. Red
D. RED
When drawing blood from an infant what is best site to use to prevent injury to the infant?
A. The veins in the antecubital fossa
B. The median cubital vein
C. The heel
C. THE HEEL
Which of the following is important when drawing blood from an elderly patient?
A. Do not apply pressure after removing the needle
B. Wiggle the needle to position it precisely in the vein
C. Have the patient elevate the arm after removing the needle
C. HAVE THE PATIENT ELEVATE HER ARM AFTER REMOVING THE NEEDLE
The medical term hemophilia is?
A. The rupturing of red blood cells, which releases hemoglobin that can cause kidney failure
B. The study of blood
C. A disorder in which the blood does not coagulate at a wound or puncture site
C. A DISORDER IN WHICH THE BLOOD DOES NOT COAGULATE AT A WOUND OR PUNCTURE SITE
After how many unsuccessful attempts at obtaining a good blood sample should you seek assistance from your supervisor or the doctor?
A. 1
B. 2
C. 3
B. 2
A blood urea nitrogen (BUN) test is done to identify?
A. Anemia
B. Diabetes mellitus
C. Kidney disorders
C. KIDNEY DISORDERS
An erythrocyte (RBC) count is used to identify?
A. An infection
B. Anemia
C. Fluid and electrolyte imbalance
B. ANEMIA
Blood tests for potassium and sodium identify?
A. Prostatic cancer
B. Hyperparathyroidism
C. A fluid and electrolyte imbalance
C. A FLUID AND ELECTROLYTE IMBALANCE
A blood test that measures creatine kinase (CK) can identify?
A. Gout
B. Heart disease
C. Leukemia
B. HEART DISEASE
Which blood test can help identify coronary artery disease and atherosclerosis?
A. Total cholesterol
B. Uric acid
C. Glucose
A. TOTAL CHOLESTEROL
Gout is identified by which of the following blood tests?
A. Uric acid
B. Potassium
C. Glucose
A. URIC ACID
What is the normal range of potassium found in the blood?
A. 8.6 to 10.0 mg/dL
B. 136-145 mg/dL
C. 3.5-5.1 mg/dL
C. 3.5 TO 5.1 MG/DL
Normal prothrombin time (PT) is?
A. 11-15 seconds
B. 30 50 60 seconds
C. 2 to 7 minutes
A. 11 TO 15 SECONDS
The normal blood calcium level is?
A. 8.6 TO 10.0 mEq/L
B. 98-108 mEq/L
C. 136-145 mEq/L
A. 8.6 TO 10.0 MEQ/L
The normal sodium blood level is?
A. 3.5- 5.1
B. 8.6-10.0
C. 136-145 mEq/L
C. 135 TO 145 MEQ/L
The normal fasting blood glucose level is?
A. 136-145
B/ 37-92
C. 74-120 mg/dL
C. 74 TO 120 MG/DL
Which of the following identifies how much of the volume of a sample is made up of red blood cells after the sample has been spun in a centrifuge?
A. Hemoglobin determination
B. Platelet count
C. Hematocrit determination
C. HEMATOCRIT DETERMINATION
Which of the following refers to study of the shape or form of objects?
A. Phagocytosis
B. Morphology
C. Coagulation
B. MORPHOLOGY
Enzyme-linked immunosorbent assay (ELISA) and western blot tests are used to confirm the following diagnoses?
A. Diabetes mellitus
B. HIV Infection
C. Gout
B. HIV INFECTION
The hemoglobin A1c test reflects blood glucose levers over what period of time?
A. 1 year
B. 6 months
C. 3 months
C. 3 MONTHS
Which of the following are included in the steps for collection of a blood specimen?
A. Tell the patient the process will not be painful
B. Identify the patient correctly
C. Ask the patient what test he needs
B. IDENTIFY THE PATIENT CORRECTLY
To identify the patient correctly prior to blood collection, you should?
A. Call the patient by name
B. Ask the patient what labs she will be having done
C. Ask the patient to verify her name
C. ASK THE PATIENT TO VERIFY HER NAME
In addition to using appropriate engineered safety devices, NIOSH recommends that health-care workers?
A. Recap needles before transporting them to the sharps container
B. Throw sharps into the wastebasket
C. Use needles only if no safe alternatives are available
C. USES NEEDLES ONLY IF NO OTHER SAFE ALTERNATIVE IS AVAILABLE