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Study Guide for MedCA Exam

1.

When blood is removed from the body, the blood clots and the liquid portion is called

Serum

2.

If veins in the arm cannot be used for venipuncture, the alternative veins lie

In the dorsal side of hands and wrist

3.

The instrument used to spend the removal of sun by Spinning the blood is called

Centrifuge

4.

Before performing a venipuncture, a pair of clean gloves should be put on in the presence of a patient because

It is a reassuring safety- conscious gesture for both the patient and the worker

5.

The supine position refers to

Lying face up on their back

6.

To avoid- clotting in the blood collection tube

It is extremity important that the blood collected in a purple- topped tube be gently inverted a minimum of eight times

7.

The blood PH range of the normal body is

7.35 to 7.45

8.

Serum should be transported to the laboratory for

Testing and separated from blood cells within 2hrs

9.

Liquid makes up

55% of the total volume of the blood

10.

A person who has to little hemoglobin or a decreased number of red blood cells is know to be

Anemic

11.

The blood cells begin their formation in the

Lymph nodes and bone marrow

12.

If the phlebotomist collects blood in the neonatology department, the practice is

Hrs to a few days old

13.

The iron containing pigment of the blood cells is called

Hemoglobin

14.

Once they enterthe bloodstream, mature red blood cells live approximately

120 days

15.

The study of the nature and cause of disease is known as

Pathology

16.

A special labeled puncture- resistant container for the disposal of needles, scalpels, and syringes is known as

Sharps container

17.

When drawing bllod, the vein that is most preferred is

The median cubital

18.

If blood pressure is read as 120/80, the 120 is the

Systolic pressure

19.

The systolic pressure is the pressure when the heart is

Contracted

20.

A chemical cryusdante substance that prevents the blood from clotting is called an

Anticoagulant

21.

Homeostasis refers to

The steady- state condition

22.

Handwritten information cannot be converted into

Code symbols

23.

Interstitial fluid is

Tissue fluid

24.

Fragile veins are most likely to be found in

Geriatric patients

25.

After a finger stick is performed, the phlebotomist should

Wipe away the first step of blood

26.

The best angle for spreading a blood smear is by

Using two glass slides at 30 degrees

27.

Skin puncture samples are often used for

White blood cell differentials

28.

During a skin puncture procedure, the cut should be

Across the fingerprint lines

29.

In most cases, blood collected to determine medication levels should be collected

Just prior to the next dose of medication

30.

In relation to veins, the term occluded means

Obstructed

31.

The thumb has a

Pulse

32.

The last step in any phlebotomy procedure, including skin puncture is checking that

The bleeding has stopped and thanking the patient for cooperating

33.

Alcohol should be allowed to dry for

30 to 60 seconds before the venipuncture

34.

During the venipuncture, the best angle for inserting the needle into to the skin is

15 to 30 degrees

35.

During the venipuncture, the phlebotomist releases the tourniquet

After the needle is inserted and the blood begins to flow

36.

The term "butterfly" refers to a

Winged infusion set

37.

During the venipuncture procedure, the needle should always be inserted with the

Bevel side up

38.

Blood and urine specimens for microbiological cultures should be transported to the lab quickly to improve

The likelihood of defoliation pathogens

39.

Normal blood specimens take __________ to clot

30 to 60 minutes

40.

Bar codes in phlebotomy applications are not used to

Denote patient arm preference

41.

The preferred anticoagulant for the collection of whole blood foot STAT situations in clinical chemistry is

Heparin

42.

A blood cell count requires

whole blood collected in a purple topped tube

43.

The yellow topped vacuum collection tube has

Sodium polyanetholesulfonate (SPS) as the additive

44.

Fire newborns, the penetration depth of Lancets for blood must be

Less than 2.0mm

45.

If a blood specimen has a separation device, it should be

Centrifuges once

46.

To chill a blood specimen as it is transported the care worker should

Use icy water

47.

Grey/ red or clear

No additive (discard tube)

48.

Yellow/ red

Polymer Barrier

49.

Gold

Clot activator and polymer barrier

50.

Red

None or clot activator in plastic tube

51.

Orange

Thrombin (rapid serum)

52.

Red/ black

Clot activator and polymer barrier

53.

Green/ grey or light green

Polymer barrier and lithium heparin

54.

Light blue

Buffered sodium citrate

55.

Lavender

K,EDTA, toxicology and nutritional studies

56.

Gray

Sodium fluoride and potassium oxalate or sodium fluoride and Na2,EDTA

57.

Green

Lithium heparin, sodium heparin, or ammonia heparin

58.

Royal blue

K,EDTA

59.

Pink

Blood bank k, EDTA

60.

Tan

K,EDTA lead testing

61.

Black

Sodium citrate hematology

62.

Yellow

Sodium polyanethol sulfonate (SPS), acid citrate dextrose (ACD)

63.

– Blood Culture (yellow)
- Light Blue
– Red
– Gold
– Light Green
– Dark green
– Lavender
– Gray

– Blood Culture (yellow)
- Light Blue
– Red
– Gold
– Light Green
– Dark green
– Lavender
– Gray