100 MCQ Practice Flashcard Set

What defines a regulated profession?

All of the above. Entry is controlled by an organization, standards of practice must be met, and Provincial Legislation defines who can practice.

Which grade indicates the highest purity in a chemical?

Analytical reagent grade.

What test counts the number of immature Red Blood Cells (RBCs)?

Reticulocyte count.

A control does not read what it should upon testing. The same result is obtained when repeated. What kind of problem is this?

Accuracy problem

In which isolation would a patient with a highly contagious lung infection be placed?

Respiratory isolation.

What factors contribute to the overall professional impression made by the phlebotomist?

Any of the above. Compassion, dependability, self-confidence.

Which of the following is a responsibility of a phlebotomist?

Collect specimens.

The layer above a sediment in a solution is the:

Supernatant.

Where is the bicuspid valve located?

Between the left atrium and left ventricle.

What kind of muscle cells are skeletal muscle cells?

both a and c. Voluntary and striated muscle cells.

In the digestive system, the function of goblet cells is to:

Produce protective mucus.

You have a STAT request to collect a Hemoglobin on a post-op patient. Which of the following scenarios best describes the proper response?

Go immediately to the surgical recovery room, collect a lavender top on the patient, and deliver it immediately to the laboratory.

What is the first step when performing venipuncture?

Verifying patient identification.

Which tube should be used to draw 4 mL of serum for a test?

10 mL SST.

What condition involves a decrease in erythrocytes and hemoglobin?

Anemia.

What is the middle part of the small intestine?

Jejunum.

What does the term anterior refer to?

Front.

Pleural fluid is extracted from

Cavities around the lungs.

What is the normal range of glucose present in urine?

Zero.

For an accurate result from bilirubin test, specimen in an enclosed container should be kept away from:

Light.

Which test cannot be performed on a serum sample?

Clotting factors.

Gross examination of tissue is?

Macroscopy examination of tissue.

Quality control in the laboratory states the specimen label should contain all the following except?

Name of physician

What type of cell secretes HCl in the stomach?

Parietal cells. (they are specialized cells in the stomach responsible for secreting hydrochloric acid (HCl))

The test which must be acidified after the serum is separated from the clot is:

Uric acid.

What is the universal solvent?

Water.

What piece of equipment would help NaCl dissolve in a liquid faster?

Hot plate.

The left atrium receives:

Oxygenated blood from the lungs.

Which lead is used for bipolar?

I, II, III.

Which of the following is normally used for standardization mark?

ten.

The normal bpm is 60 to 100 bpm. If a patient is exhibiting less than 50 bpm is considered?

To call the supervisor immediately. To have bradycardia.

What structure in the heart delays transmitting electrical impulses to allow the ventricles to fill with blood?

AV node.

Oil immersion objectives have a magnification of:

100X.

A microorganism that requires oxygen is a/an:

Aerobe.

In the quality control chart, what percentage of results will be outside the range of

32%.

In the quality control chart, what percentage of results will be inside the range of

95%.

A 1/4 dilution of serum in water was made. The dilution was tested for glucose.

The result was 30mmol/L. What result was given to the doctor?

120 mmol/L.

It lies in the body horizontally and divides into superior or inferior plane is called?

Transverse plane.

When you have a STAT request, you should perform the test:

Perform the test immediately.

A hematoma may be caused by:

All of the above. Failure to apply sufficient pressure to the puncture site, Repeated venipuncture, Failure to release the tourniquet before withdrawing the needle, Only partial penetration of the vein

A Patient, sitting in a chair faints while you are withdrawing blood, you should:

Remove needle, lay down the patient on the floor.

What type of blood is collected when a heel prick is done on an infant?

Capillary blood.

The lancet size used when performing a heel puncture on a newborn is:

2.0 mm.

What areas on an infant are suitable for skin puncture?

The lateral, flat portion of the heel.

Specimen ID is important to all testing. However, extra precautions are necessary when labelling specimens for:

ABO, Rh, and crossmatch

What is the anticoagulant to blood ratio in a black tube?

1:4

Which agar is used with enriched media?

Choco agar.

Anticoagulant used in synovial fluid:

Heparin.

After obtaining blood sample in SST, you want to centrifuge the sample

immediately. How many inversions are required before centrifuging the sample?

5 x.

After withdrawing blood from the patient, the patient is in diabetic shock. What would be your first action?

Give juice.

The best site in venipuncture

Median cubital.

What does percutaneous mean?

Above the skin.

Through which gauge needle would blood flow fastest?

16 gauge.

If a patient refuses to have a venipuncture performed, you should

Notify the patient’s physician.

Heparin acts as an anticoagulant by

Preventing prothrombin from converting to thrombin.

You must draw a heparin, acid citrate dextrose and a EDTA tube. What is the correct order of draw?

heparin, EDTA, acid citrate dextrose

A blood specimen collected in a green top tube is centrifuged. It will separate into

plasma and buffy coat and red blood cells

In a centrifuged red top tube…

NONE.

If you fill a 10 mL SST vaccutainer tube from a healthy patient, how much plasma would it contain?

0 mL.

A milky white serum containing excess fats is called

Lipemic.

In blood collection, these procedures are followed except:

an arterial sample is drawn

All of the following are acceptable when mixing chemicals, EXCEPT:

Adding water to acid.

Which class of fire extinguisher should be used in the event of an electrical fire?

Class C.

What is the first thing a phlebotomist should do in the event of an accidental needle stick?

Thoroughly rinse with water, then wash the site with soap and water for at least 30 seconds.

Once the Shipper's Declaration of Dangerous Goods for a Category A Infectious Substance is signed by the shipper, it becomes:

It becomes a legal document.

Which mode of infection transmission occurs through touching contaminated linens?

Indirect contact.

What does reverse isolation protect?

Protects patients from visitors’ and workers’ infections.

A patient with abdominal pain and diarrhea would be hospitalized in

Enteric isolation.

The disinfectant to be used on metal surfaces is

2% glutaraldehyde.

What should be avoided when performing a heelstick?

Striking the calcaneus with the lancet.

You want to draw the blood from unconscious inpatient; to verify patient’s name you should:

Check the patient’s bracelet.

You want to draw blood from a conscious inpatient patient who doesn’t wear a bracelet; to verify patient’s name you should:

Ask the nurse to put the bracelet on patient’s wrist first, then draw the blood

Accuracy is the expression of:

The closeness of measurement to the true value.

What is presented in a Levey-Jennings chart?

Daily control values.

Who is authorized to order tests for a patient?

midwife

Laboratory results are:

Confidential data.

Laboratory Technician defined as:

A person who under direct supervision performs laboratory tests which requires limited technical skills and responsibilities

Who may supervise a Medical Laboratory Technician?

RN

What duties does a Medical Laboratory Technician NOT perform?

Interpretation of quality control results.

What is NOT included in PPE?

Sharps container.

What is the best disinfectant for a blood spill?

10% bleach.

What is the proper temperature for a dry heat oven?

160 °C.

What should be done if coworkers suffer acid spills on their hands?

immediately rinse the affected area with cool, running water for at least 20 minutes to dilute the chemical and remove it from the skin.

To properly autoclave small loads of waste or equipment, the autoclave

should be set at:

121 °C for 15 minutes for 15 p.s.i.

MSDS contain all of the following except:

Expiry date.

Your eye has been exposed to a concentrated acid while mixing strong solution in the laboratory.

How many minutes should you rinse your eyes?

15 minutes.

The name given to an infection a patient acquires after admission to a health care facility is

nosocomial

Universal Standard Precautions means:

All specimens are treated as potentially infectious.

What does WHMIS stand for?

Workplace Hazardous Materials Information System.

Which of the following offers the user and specimen the most protection?

Class II biosafety cabinet.

Commonly used fire extinguisher used in a clinical laboratory is a(n):

ABC type.

Class C fires involve:

Electrical equipment.

What is the most important part of a biological safety cabinet?

HEPA filter

Someone can determine the classification of dangerous goods by

Match shipping name and UN number

How many classes are commonly used in Transportation of Dangerous Goods (TDG) regulations?

9 classes

Arteriosclerosis means:

The condition of hardening of the arteries.

How to read the meniscus is:

Eye level below the curved part of the liquid

The negative log of hydrogen ion concentration is known as:

pH

Decalcification requires reagent volumes

50 times the volume of tissue

If collecting a specimen for cold agglutinins, you must be certain to:

Keep it at 37°C