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Terms in this set [52]
Which method of drawing blood would you use on a patient with small or fragile veins?
A. Evacuation system
B. Capillary puncture
C. Automatic puncturing device
D. Blood culture system
E. Butterfly system
Butterfly system
Withdrawing blood from a vein is called ____.
A. hematology
B. phlebotomy
C. morphology
D. coagulation
E. serology
phlebotomy
Which of the following is the liquid or fluid portion of the blood?
A. Plasma
B. Red blood cells
C. White blood cells
D. Platelets
E. Hemoglobin
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
E. Hemoglobin
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
D. the rupturing of red blood cells
E.
the buffy coat in centrifuged blood
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
D. Venipuncture
E. Phlebotomy
Hemolysis
Which of the following is the most common antiseptic used to cleanse the skin before drawing blood?
A. Alcohol
B. Soap and water
C. Hibiclens
D. Hydrogen peroxide
E. 10% bleach
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. Povidone-iodine
B. Hibiclens
C. Soap and water
D. Hydrogen peroxide
E. Sodium chloride
Povidone-iodine
Which of the following is part of the preparation for a glucose tolerance test?
A. Instruct the patient to eat a high-carbohydrate diet for 3 days before the procedure
B. Offer the patient a high-carbohydrate snack immediately before drawing the blood
C. Instruct the patient to refrain from eating after the initial blood and urine samples are taken
D. Explain to the patient that only one blood
and one urine sample will be taken
E. Direct the patient to use a laxative the night before to cleanse the digestive system
Instruct the patient to eat a high-carbohydrate diet for 3 days before the procedure
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
D.
Popliteal and posterior tibial veins
E. Radial and ulnar veins
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. Laboratory coat
D. Gown
E. Gloves
Gloves
Which of the following would you include when performing venipuncture using an evacuation system?
A. Bunch up the patient's skin above and below the insertion site
B. Insert the needle at a 45º angle with the bevel side down
C. Penetrate the vein wall to a depth of 1/4 to 1/2 inch
D. Leave the tourniquet on until after you withdraw the needle from the vein
E. Be careful not to invert collection tubes that have additives in them
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. Needle and syringe system
C. Butterfly system
D. Capillary puncture
E. Blood culture system
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
D. Butterfly system
E.Blood culture system
Capillary puncture
Which of the following is characteristic of 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.
D. It releases a greater amount of blood, compared to venipuncture.
E. The blood is collected into evacuated collection tubes.
The patient'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
D. Evacuation tube
E. Butterfly needle
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
D. Arterial blood gases
E. Blood cultures
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
D. Blood cultures
E. Hematology studies
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
D. Gray
E. Green
Red
Which color stopper is used for a collection tube that contains no additive?
A. Yellow
B. Green
C. Lavender
D. Red
Gray
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
D. The cephalic vein
E. The brachial vein
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 bend her elbow after removing the needle
D. Avoid using a butterfly collection device
E. Have the patient elevate her arm after removing the needle
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
D. the insertion of a needle or cannula into a vein for the purpose of withdrawing blood
E. a disorder in which the blood is thicker than normal, resulting in slow collection times
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
D. 4
E. 5
2
A blood urea nitrogen [BUN] test is used to identify ____
A. anemia
B. diabetes mellitus
C. kidney
disorders
D. specific cancers
E. peptic ulcers
kidney disorders
An erythrocyte [RBC] count is used to identify ____.
A. an infection
B. anemia
C. fluid and electrolyte imbalance
D. leukemia
E. viral hepatitis
anemia
Blood tests for potassium and sodium identify ____.
A. prostatic cancer
B.
hyperparathyroidism
C. anemia
D. fluid-electrolyte imbalances
E. atherosclerosis
fluid-electrolyte imbalances
A blood test that measures creatine kinase [CK] can identify ____.
A. gout
B. heart disease
C. leukemia
D. diabetes mellitus
E. sickle cell anemia
heart disease
Which blood test can help identify coronary artery disease and atherosclerosis?
A. Total cholesterol
B. Uric acid
C. Glucose
D. Bilirubin
E. Fasting glucose
Total cholesterol
Gout is identified by which of type of blood test?
A. Uric acid
B. Potassium
C. Glucose
D. Total cholesterol
E. Lactate dehydrogenase
Uric acid
What is the normal range of potassium found in the blood?
A. 8.6 to 10.0 mg/dL
B. 136 to 145 mEq/L
C. 3.5 to 5.1 mEq/L
D. 6 to 20 mg/dL
E. 21 to 28 mEq/L
3.5 to 5.1 mEq/L
Normal prothrombin time [PT] is ____.
A. 11 to 15 seconds
B. 30 50 60 seconds
C. 2 to 7 minutes
D. 8 to 10 minutes
E. 30 to 45 minutes
11 to 15 seconds
The normal blood calcium level is ____.
A. 8.6 to 10.0 mEq/L
B. 98 to 108 mEq/L
C. 136 to 145 mEq/L
D. 3.5 to 5.1 mEq/L
E. 27 to 29 mEq/L
8.6 to 10.0 mEq/L
The normal sodium blood level is ____.
A. 3.5 to 5.1 mEq/L
B. 8.6 to 10.0 mEq/L
C. 136 to 145 mEq/L
D. 98 to 108 mEq/L
E. 21 to 28 mEq/L
136 to 145 mEq/L
The normal fasting blood glucose level is ____.
A. 136 to 145 mEq/L
B. 37 to 92 mg/dL
C. 21 to 28 mEq/L
D. 74 to 120 mg/dL
E. 200 to 400 mg/dL
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
D. Differential white blood cell count
E. Red blood cell count
Hematocrit determination
Which of the following refers to the study of the shape or form of objects?
A. Phagocytosis
B. Morphology
C. Coagulation
D. Phlebotomy
E. Differential
Morphology
Enzyme-linked immunosorbent assay [ELISA] and Western blot tests are used to confirm which of the following diagnoses?
A. Diabetes mellitus
B. HIV infection
C. Gout
D. Coronary artery disease
E. Anemia
HIV infection
The hemoglobin A1C test reflects blood glucose levels over what period of time?
A. 1 year
B. 6 months
C. 3 months
D. 1 month
E. 2 weeks
3 months
Which of the following are included in 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
D. Use the same tubes for chemistry and hematology tests
E. Apply the tourniquet to the patient's lower arm
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
D. ask the patient to state her home address
E. verify the patient's name with the doctor
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. attend bloodborne pathogen training every three years
D. avoid using needles with hinged shields
E. use needles only if no safe alternatives are available
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 is afraid of needles. Which of the following suggestions might you make to help Peter?
A. "Take rapid, shallow breaths while I insert the needle in your arm."
B. "Tense the muscles in your arm so it won't hurt as much."
C. "See the magazine in the rack on the wall? Focus on that
while I draw the blood."
D. "This will be painful, but I know you are brave enough to get through it."
E. "If you do not let me draw your blood, the company won't hire you."
"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 that when "they" drew her blood last year, it left a huge, ugly bruise that took weeks to go away. Which of the following would be your best response?
A. "They probably didn't draw the blood correctly last time."
B. "Don't worry, I promise I will not cause a bruise on your arm."
C. "If you get a bruise, you can wear long-sleeve shirts for a few weeks."
D. "Some bruising is
possible, but I will do everything possible to minimize it."
E. "Bruising is just one of the side effects of having your blood drawn."
"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 do they need this much blood? I must have a terrible disease!" Which of the following is your best response?
A."If you have a terrible disease, wouldn't you rather know about it?"
B. "We don't really need this much blood—we always draw a couple of extra tubes."
C. "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."
D. "I am drawing several
tubes of blood because, at your age, there are many different tests that we have to run."
E. "Don't worry; I'm sure everything will be fine."
"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 you explain the procedure to Kaiden, he smiles and says, "Oh, sure, I've been through this many times before. Do what you have to do!" A few seconds after you withdraw the needle, Kaiden suddenly goes limp. You realize that he has fainted and is beginning to slip out of the chair. What should you do?
A. Thrust his head down between his legs
B. Leave the room immediately
to call for help
C. Release the tourniquet, but leave the needle in his arm until the physician arrives
D. Wipe his face with a towel soaked with cool water
E. Gently lower him to the floor while protecting his head
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, Melanie says, "No! I don't want you to draw my blood. I just want to know what is causing the pain in my stomach. You don't need blood for that! I can't afford all these extra tests." You explain that the blood tests are needed to help diagnose the stomach pain, but Melanie continues to refuse to allow you to draw her blood. What should you do?
A. Inform Melanie
that you must draw the blood because the physician ordered it
B. Report her refusal to your supervisor or the physician and make a note in her chart
C. Offer to draw the blood free of charge, since Melanie is unemployed
D. Assure Melanie that insurance will cover the cost of the tests
E. Ask colleagues in the office to assist you in drawing Melanie's 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 blood collection tube with a gold stopper contains a silicone serum separator and is used for studies requiring blood ________.
serum
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