MA. Chp. 48 collecting, processing, and testing blood specimens Flashcards

Withdrawing blood from a vein is called?

A. Hematology

B. Phlebotomy

C. Morphology

Which of the following is the liquid or fluid portion of the blood?

A. Plasma

B. Red blood cells

C. Platelets

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

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

Which of the following refers to the rupturing of red blood cells?

A. Capillary puncture

B. Hemolysis

C. Coagulation

Which of the following is the most common antiseptics used to cleanse the skin before drawing?

A. Alcohol

B. Soap and water

C. Hibiclens

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

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

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

Which of the following items forms the first line of defense during a phlebotomy procedure?

A. Face mask

B. Eye goggles

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

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

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

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

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

Which of the following is used in the capillary puncture technique?

A. Lancet

B. Retracting needle

C. Syringe

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

Which tests require the use of a collection tube with a green stopper?

A. Blood glucose tests

B. Electrolyte studies

C. Coagulation 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

Which color stopper is used for a collection tube that contains no additives?

A. Yellow

B. Green

C. Lavender

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

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

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

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

A blood urea nitrogen (BUN) test is done to identify?

A. Anemia

B. Diabetes mellitus

C. Kidney disorders

An erythrocyte (RBC) count is used to identify?

A. An infection

B. Anemia

C. Fluid and electrolyte imbalance

Blood tests for potassium and sodium identify?

A. Prostatic cancer

B. Hyperparathyroidism

C. A fluid and electrolyte imbalance

A blood test that measures creatine kinase (CK) can identify?

A. Gout

B. Heart disease

C. Leukemia

Which blood test can help identify coronary artery disease and atherosclerosis?

A. Total cholesterol

B. Uric acid

C. Glucose

Gout is identified by which of the following blood tests?

A. Uric acid

B. Potassium

C. Glucose

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

Normal prothrombin time (PT) is?

A. 11-15 seconds

B. 30 50 60 seconds

C. 2 to 7 minutes

The normal blood calcium level is?

A. 8.6 TO 10.0 mEq/L

B. 98-108 mEq/L

C. 136-145 mEq/L

The normal sodium blood level is?

A. 3.5- 5.1

B. 8.6-10.0

C. 136-145 mEq/L

The normal fasting blood glucose level is?

A. 136-145

B/ 37-92

C. 74-120 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

Which of the following refers to study of the shape or form of objects?

A. Phagocytosis

B. Morphology

C. Coagulation

Enzyme-linked immunosorbent assay (ELISA) and western blot tests are used to confirm the following diagnoses?

A. Diabetes mellitus

B. HIV Infection

C. Gout

The hemoglobin A1c test reflects blood glucose levers over what period of time?

A. 1 year

B. 6 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

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

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