The insertion of a needle or cannula into a vein for the purpose of withdrawing blood is ____.
Phlebotomy
Which of the following is the liquid or fluid portion of the blood?
Plasma
The red blood cells, white blood cells, and platelets are known as the ____.
Formed Elements
Whole blood is ____.
the total volume of plasma and formed elements
Which of the following refers to the rupturing of red blood cells?
Hemolysis
Which of the following is most commonly used to cleanse the skin before drawing blood?
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?
Povidone-Iodine
Which of the following is part of the preparation for a glucose tolerance test?
Instruct the patient to eat a high-carbohydrate diet for 3 days before the procedure
The most common sites for venipuncture are the ____.
Median Cubital and Cephalic Veins
Which of the following items forms the first line of defense during a phlebotomy procedure?
Gloves
Which of the following would you include when preparing a venipuncture site?
Cleanse the venipuncture site using a circular motion starting at the center and working outward
Which of the following would you include when performing venipuncture using an evacuation system?
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?
Evacuation System
Which procedure for obtaining a blood sample is usually performed on the middle finger or the ring finger?
Capillary Puncture
Which method of drawing blood would you use on a patient with small or fragile veins?
Butterfly System
Which of the following is characteristic of capillary puncture?
The patient's non-dominant hand is used for this procedure.
Which of the following is used in the capillary puncture technique?
Lancet
Which of the following is characteristic of lancets?
They are disposable instruments with sharp points used to puncture the skin.
Which of the following tests requires the use of a blood collection tube with a gray stopper?
Blood Glucose Tests
Which tests require the use of a collection tube with a green stopper?
Electrolyte Studies
Blood chemistries and HIV/AIDS antibody tests must be performed with a collection tube with what color stopper?
Red
Which color stopper is used for a collection tube that contains no additive?
Red
The best site for drawing blood from an infant is ____.
The Heel
Which of the following is important when drawing blood from an elderly patient?
Have the patient elevate her arm after removing the needle
Hemophilia is ____.
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?
2
A blood urea nitrogen (BUN) test is used to identify ____
Kidney Disorders
An erythrocyte (RBC) count is used to identify ____.
Anemia
Blood tests for potassium and sodium identify ____.
Fluid-Electrolyte Imbalances
A blood test that measures creatine kinase (CK) can identify ____.
Heart Disease
Which blood test can help identify coronary artery disease and atherosclerosis?
Total Cholesterol
Gout is identified by which of type of blood test?
Uric Acid
The normal range for potassium in the blood is ____.
3.5 to 5.1 mEq/L
Normal prothrombin time (PT) is ____.
11 to 15 seconds
The normal blood calcium level is ____.
8.6 to 10.0 mEq/L
The normal sodium blood level is ____.
136 to 145 mEq/L
The normal fasting blood glucose level is ____.
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?
Hematocrit Determination
Which of the following refers to the study of the shape or form of objects?
Morphology
Enzyme-linked immunosorbent assay (ELISA) and Western blot tests are used to confirm which of the following diagnoses?
HIV Infection
The hemoglobin A1c test reflects blood glucose levels over what period of time?
3 Months
Which of the following are included in steps for collection of a blood specimen?
Identify the patient correctly
To make sure you identify the patient correctly prior to blood collection, you should ____.
Ask the patient to tell you her name
In addition to using appropriate engineered safety devices, NIOSH recommends that health-care workers ____.
Use needles only if no safe alternatives are available
The physician has asked you to draw blood from Peter, a 24-year-old patient, for routine pre-employment testing. As you begin explaining the process, Peter starts to look very uncomfortable. Although he pretends nothing is wrong, you soon discover that he
See the magazine in the rack on the wall? Focus on that while I draw the blood.
Julia is a pretty, 16-year-old patient who has come to the office for her annual physical. The physician has asked you to draw blood for routine blood tests. When she realizes that you are going to draw her blood, she frowns and backs away. She tells you
Some bruising is possible, but I will do everything possible to minimize it.
After explaining the process, you are drawing blood on 82-year-old Mrs. Green using an evacuated tube system. As you insert the third tube into the holder, the Mrs. Green begins to cry. You ask if she is in pain and she says, "No, but I am so scared! Why
Drawing blood does not necessarily mean you are ill; blood tests are one of the best ways to get an overall picture of your health.
Kaiden is a 32-year-old businessman who is being seen in the office because he has been feeling fatigued all of the time. He says he is having difficulty concentrating at work, and his appetite is off. The physician has ordered several blood tests. When y
Gently lower him to the floor while protecting his head
Melanie is a 46-year-old unemployed patient who is being seen in the medical office because of a pain in her abdomen that has persisted for three weeks. The physician orders a urinalysis and several blood tests. When you begin preparing to draw her blood,
Report her refusal to your supervisor or the physician and make a note in her chart
A blood collection tube with a gray stopper is used to obtain blood for a blood ________ test.
Glucose
A blood collection tube with a yellow stopper is used to obtain blood ________.
Cultures
A blood collection tube with a lavender stopper is selected for ________ studies.
Hematology
A(n) blood collection tube with a ________ stopper contains heparin.
Green
A light blue-stoppered blood collection tube is selected for ________ studies.
Coagulation
A blood collection tube with a gold stopper contains a silicone serum separator and is used for studies requiring blood ________.
Serum
A(n) ________ is a small, calibrated glass tube that holds a precise volume of fluid.
Micropipette
When blood is centrifuged, the heavier red blood cells move to one end of the tube, lighter plasma moves to the other end, and the ________ ________ that contains the white blood cells and platelets is between the two.
Buffy Coat
A(n) ________ puncture is a superficial puncture of the skin with a sharp point, releasing a smaller amount of blood than venipuncture.
Capillary
The non-automated erythrocyte ________ rate (ESR) test measures the rate at which red blood cells settle to the bottom of a blood sample.
Sedimentation
The red blood cells, white blood cells, and platelets are known as the ________ elements in a blood sample.
Formed
The rupturing of red blood cells, releasing hemoglobin, is called ________.
Hemolysis
A small, disposable instrument with a sharp point used to puncture the skin and make a shallow incision is called a(n) ________.
Lancet
The clear, yellow liquid in which the formed elements of blood are suspended is called _______.
Plasma
The puncture of a vein performed with a needle for the purpose of drawing blood is called _______.
Venipuncture
The gel-like barrier between the serum and the clot in a coagulated blood sample is formed by a serum ________.
Separator
The addition of a(n) ________ to a blood collection tube causes the blood to remain in a liquid state.
Anticoagulant
When blood leaks out of the vein around the puncture site during venipuncture and collects under the skin, it forms a(n) ________.
Hematoma
When blood is centrifuged, the red layer below the buffy coat consists of ________ red blood cells.
Packed