Tubes
What is the term for infections contracted by patients during hospitalization?
a. Nosocomial infections.
b. Chains of infections.
c. Nontransmitted infections.
d. Colonization.
a: nosocomial infections
For a phlebotomist, what is the principal occupational risk for infection?
a.Infection from airborne diseases in patient rooms.
b.Infection from droplets in the emergency department.
c.Infection from an accidental needle stick.
d.Infection from a splash from a dropped specimen tube.
c:infection from an accidental needle stick
What substance is produced when blood is collected in a tube, allowed to clot, and then centrifuged?
a.Antibodies.
b.Platelets.
c.Plasma.
d.Serum.
d: serum
At what angle should the venipuncture needle be inserted?
a.15–30 degrees.
b.30–45 degrees.
c.45–60 degrees.
d.60–75 degrees.
a:15-30 degrees
Which of the following tubes should be drawn first?
a.Blood culture tubes.
b.Lavender.
c.Light blue.
d.Red.
a:blood culture tubes
What is the most frequent and important transmission route for infections contracted by hospitalized patients?
a.Airborne.
b.Common vehicle.
c.Contact.
d.Vector.
c:contact
A small blood spill from a specimen you are handling occurs on a laboratory counter top. What is the usual procedure you should use to handle the spill?
a.Use a handful of paper towels and wipe up the spill, being careful not to get any on your skin.
b.Ask your supervisor to find someone to clean up the spill.
c.Wearing gloves and using 10% bleach as a disinfectant, clean up visible blood first, then disinfect the entire area of potential contamination.
d.Leave the spill alone so it can dry, which will make it easier to clean up when you get time.
c:wearing gloves and using 10% bleach as a disinfectant, clean up visible blood first, then disinfect the entire area of potential contamination
What is another term for white blood cells (WBCs)?
a.Erythrocytes.
b.Leukocytes.
c.Thrombocytes.
d.Reticulocytes.
b:leukocytes
What is the term for destruction of red blood cells due to a tightly tied tourniquet?
a.Hematoma.
b.Hemoconcentration.
c.Hemolysis.
d.Petechiae.
c:hemolysis
Which color tube may be used to obtain serum for a laboratory test?
a.Green.
b.Gray.
c.Lavender.
d.Red.
d:red
Which of the following acronyms refers to barriers used to protect skin, mucous membranes, and clothing from infectious agents?
a.CDC.
b.MRSA.
c.PPE.
d.VRE.
c:PPE
Which structures return blood to the heart?
a.Arteries.
b.Bronchioles.
c.Capillaries.
d.Veins.
d:veins
Which of the following is an inherited disease that causes decreased blood clotting?
a.Anemia.
b.Hemophilia.
c.Leukemia.
d.Thrombocytopenia.
b:hemophilia
While having a blood sample collected, the patient complains of pain and tingling in the fingers. What is the likely cause?
a.The tourniquet is too tight or has been on too long.
b.The tourniquet is too loose.
c.The tourniquet was removed too soon.
d.The tourniquet was placed too far from the collection site.
a:the tourniquet is too tight or has been on too long.
Which term is used to describe serum that is cloudy or milky?
a.Clotted.
b.Hemolyzed.
c.Icteric.
d.Lipemic.
d:lipemic
When donning a gown, mask, respirator, face shield, and gloves, which item should be put on last?
a.Gloves.
b.Gown.
c.Mask.
d.Respirator.
a:gloves
CK-MB, myoglobin, and troponin are all measured in tests that can be used to diagnose what condition?
a.Congestive heart failure.
b.Liver disease.
c.Myocardial infarction.
d.Stroke.
c:myocardial infarction
A blood specimen collected in a gold top tube will produce which of the following after centrifuging?
a.Plasma.
b.Whole blood.
c.Serum.
d.Anticoagulated blood.
:serum
A phlebotomist must ensure that the patient understands and agrees that his or her blood is going to be drawn. What is the name of this process?
a.Confidentiality.
b.Informed consent.
c.Legality.
d.Privacy.
b.informed consent
Which section within the chemistry laboratory identifies unknown drugs within specimens?
a.Electrophoresis.
b.Endocrinology.
c.Immunochemistry.
d.Toxicology.
d:toxicology
According to the Bloodborne Pathogen Standard rules, which specimens are considered to be potentially infectious?
a.Only specimens from patients with HIV or hepatitis
b.Specimens from patients with any known infection.
c.Specimens that a physician has indicated are infectious.
d.All blood and body fluid specimens.
d:all blood and body fluid specimens
The cephalic, basilic, and median cubital veins are all located in which area?
a.Antecubital fossa of the arm.
b.Anterior surface of the hand.
c.Capillary beds of the hand.
d.Radial surface of the wrist.
a:antecubital fossa of the arm
What is the single most important step of the blood collection procedure?
a.Selection of the proper tubes.
b.Appropriate vein selection.
c.Patient identification.
d.Application of the tourniquet.
c:patient identification
What color tube should be collected for a CBC?
a.Green.
b.Lavender.
c.Light blue.
d.Red.
b:lavender
Which term is used to describe serum that is pink-tinged?
a.Clotted.
b.Hemolyzed.
c.Icteric.
d.Lipemic.
b:hemolyzed