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KLUBSYBEAR > HEMA QUIZ 1 > Flashcards

HEMA QUIZ 1 Flashcards

1
Q

90% of plasma is made up of:

PROTEIN
WATER
MACROMOLECULES
NOTA

A

water

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2
Q

Describe the capillary blood sample obtained through skin puncture:

A. pure venous blood
B. Mixture of venous and arterial blood
C. Mixture of of blood from venules, arterioles, capillaries, and interstitial and intracellular fluids.

A

C. Mixture of of blood from venules, arterioles, capillaries, and interstitial and intracellular fluids.

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3
Q

Identify the characteristic of needle used in ETS:
A. Single pointed
B. Double pointed
C. Triple pointed

A

B. Double pointed

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4
Q

Proper Collection blood sample on a patient with IV line should be done:
A. 1-2 inches below the IV line
B. 1-2 inches above the IV line
C. 3-4 Inches above the IV line
D. 3-4 inches below the IV line

A

A. 1-2 inches below the IV line

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5
Q

Which of the following is correct regarding to the proper application of torniquet?

A. The loose ends of the torniquet are facing upward
B. The loose ends of the torniquet are facing downward
C. Wrap the torniquet around the arm 1-2 inches above the venipuncture site
D. Stretch the torniquet, bring the both ends to the back of the arm

A

A. The loose ends of the torniquet are facing upward

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6
Q

Which of the following is/are complication/s during blood collection?

A. Cardiovascular
B. Neurological
C. Vascular
D. All of the above

A

D. All of the above

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7
Q

Results when there is a leakage of large amount of blood around the puncture site:

A. Purpura
B. Hematoma
C. Ecchymosis
D. Petechiae

A

B. Hematoma

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8
Q

What is the most common complication encountered when obtaining blood specimen?

A. Purpura
B. Hematoma
C. Ecchymosis
D. NOTA

A

C. Ecchymosis

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9
Q

Which of the following is NOT true about blood film preparation?

A. The spreader should be 30-45 angle
B. The amount of blood should be0.05ml
C. Too much pressure will create a thick smear
D. Two cover glass smear technique is used for bone marrow examination

A

C. Too much pressure will create a thick smear

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10
Q

Presence of holes in a freshly prepared blood smear is usually associated with:

Hyperlipidemia
Dirt and grease
Both of these

A

Both of these

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11
Q

Presence of streaks on the end of a prepared blood smear is associated with:

A. Spreader slide pushed quickly
B. Usage of a chipped or rough edge spreader
C. Uneven pressure on the spreader slide
D. NOTA

A

B. Usage of a chipped or rough edge spreader

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12
Q

A wavy blood smear is associated with:

A. Spreader slide pushed quickly
B. Usage of a chipped or rough edge spreader
C. Uneven pressure on the spreader slide
D. Hesitation in forward motion of the spreader

A

D. Hesitation in forward motion of the spreader

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13
Q

The greater the angle of the spreader, the ______the smear.

A. Thinner and shorter
B. Thicker and longer
C. Thinner and longer
D. Thicker and shorter

A

D. Thicker and shorter

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14
Q

What is the most preferred counting method in a smear?

A. Crenellation
B. Longitudinal
C. Battlement
D. AOTA

A

C. Battlement

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15
Q

It is caused by leakage of a small amount of blood in the tissue around the puncture site

A. Purpura
B. Petechiae
C. Ecchymosis
D. Hematoma

A

C. Ecchymosis

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16
Q

Which of the following WBC predominantly increases in a chronic smoker?

A. Lymphocyte
B. Neutrophil
C. Eosinophil
D. Monocyte

A

B. Neutrophil

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17
Q

What is the hematocrit level in a chronic smoker individual?

A. Same as non-smoker
B. Higher than normal
C. Lower than normal

A

B. Higher than normal

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18
Q

Effect of high ACTH or cortisol level to eosinophil count:

false increase
false decrease
will not affect the eosinophil count
usually normal

A

false decrease

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19
Q

Which of the following is not a Romanowsky stain?
A. Leishman
B. May Grunwald
C. Jenner
D. H and E

A

D. H and E

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20
Q

What are the ideal sites of skin puncture?
A. Middle and index fingers
B. Middle and ring fingers
C. Ring and index finger
D. Thumb and middle fingers

A

B. Middle and ring fingers

21
Q

Which of the following parameter is higher than normal during skin puncture?
A. WBC count
B. RBC count
C. Platelet count
D. AOTA

A

A. WBC count

22
Q

What is the optimum concentration of sodium citrate when used for PT and PTT testing?

A. 0.119 M
B. 0.129 M
C. 0.109 M
D. 0.139 M

A

C. 0.109 M

23
Q

When using sodium citrate for coagulation studies, the ratio of the anticoagulant to blood should be:
A. 1:9
B. 9:1
C. 1:4
D. 4:1

A

A. 1:9

24
Q

What is the most preferred anticoagulant for ESR testing?
A. Citrate
B. EDTA
C. Oxalate
D. Heparin

A

A. Citrate

25
Q

A doctor requested a Prothrombin test from a polycythemic patient. What should the Medtech do before performing the test?
A. Uses Heparin instead of citrate
B. Collect two separate citrate tubes
C. Reduce the volume of citrate before collection
D. None and perform the test immediately

A

C. Reduce the volume of citrate before collection

26
Q

A double balanced oxalate can be achieved through mixing;
A. 2 parts of ammonium oxalate + 3 parts potassium oxalate
B. 3 parts of ammonium oxalate + 2 parts potassium oxalate
C. 2 parts of ammonium oxalate + 2 parts potassium oxalate
D. 3 parts of ammonium oxalate + 3 parts potassium oxalate

A

B. 3 parts of ammonium oxalate + 2 parts potassium oxalate

27
Q

Which of the following is considered as an invitro and in vivo anticoagulant?
A. Heparin
B. EDTA
C. Sodium citrate
D. Sodium fluoride

A

A. Heparin

28
Q

What is the minimum concentration of Heparin?
A. 2mg/ml
B. 0.2 mg/ml
C. 0.02 mg/ml
D. 20 mg/ml

A

B. 0.2 mg/ml

29
Q

The usage of heparin can be seen in which of the following hematology test?
A. OFT
B. Ham’s acid serum test
D. PAS staining
C. Sucrose hemolysis test

A

A. OFT

30
Q

How many inversions should be required if a blood sample was collected on a citrate tube?
A. 6-8x
B. 1-2x
C. 3-4x
D. 8-10x

A

C. 3-4x

31
Q

Arrange the correct skin puncture order of draw:
i. Blood gases
ii. EDTA
iii. Red tap
iv. Citrate
v. Slide

a. 1-5-4-2-3
b. 1-5-2-4-3
c. 1-2-3-4-3
d. NOTA

A

b. 1-5-2-4-3

32
Q

Arrange the correct skin puncture order of draw:
i. Blood gases
ii. EDTA
iii. Red tap
iv. Citrate
v. Slide

a. 1-5-4-2-3
b. 1-5-2-4-3
c. 1-2-3-4-3
d. NOTA

A

b. 1-5-2-4-3

33
Q

Which of the following anticoagulant can be used for lymphocytotoxicity and DNA testing?

A. EDTA
B. Citrate
C. ACD
D. NOTA

A

C. ACD

34
Q

Which of the following should be in the last order of draw?

A. Sodium fluoride
B. Oxalate
C. Heparin
D. EDTA with gel separator

A

B. Oxalate

35
Q

Which of the following method is ideal for collecting specimen from a newborn?

A. Veni puncture
B. Skin puncture
C. Arterial puncture
D. ANY OF THESE

A

B. Skin puncture

36
Q

What is the normal color of plasma?

ORANGE
RED
BLUE
STRAW

A

STRAW

37
Q

Which of the following is true about plasma compared to serum?

A. It has a lower Specific gravity
B. Found in the top portion of a centrifuged clotted blood
C. Slightly hazy
D. Absence of HWMK

A

C. Slightly hazy

38
Q

The human blood compromises approximately how many percent of total body weight?
A. 10%
B. 8%
C. 5%
D. 3%

A

B. 8%

39
Q

What is the color of blood in pulmonary artery?

A. Bright red
B. Dark purplish red
C. ALL of these
D. Purple

A

B. Dark purplish red

40
Q

What is the preferred anticoagulant for determination of platelet function/ platelet aggregation test?

EDTA
CITRATE
OXALATE
HEPARIN

A

CITRATE

41
Q

Increased amount of EDTA will lead to________ Hematocrit ESR and Hematocrit results

A. False increase
B. False decrease
C. No effect

A

B. False decrease

42
Q

As a remedy for platelet satellitosis, which of the following anticoagulant should be used?

EDTA
CITRATE
OXALATE
ANY OF THESE

A

CITRATE

43
Q

Platelet clumping and platelet satellitosis will lead to ______ automated platelet counting results

False increase
False decrease
No effect

A

False decrease

44
Q

What is the arterial blood pH?

A. 7.35
B. 7.45
C. 7.40
D. 7.35-7.45

A

B. 7.45

45
Q

What is the most predominant constituent of blood?

A. Plasma
B. Cells
C. Macromolecules such as protein

A

A. Plasma

46
Q

What are the sediments found in the buffy coat portion of a centrifuged whole blood?

A. WBCs only
B. WBCS and Platelets
C. WBCs, Platelets, and RBCs
D. WBCs, Platelets, and nucleated RBCs

A

D. WBCs, Platelets, and nucleated RBCs

47
Q

What is the optimum concentration of EDTA when used as anticoagulant?

A. 1mg/ml
B. 1.5 mg/ml
C. 2mg/ml
D. AOTA

A

B. 1.5 mg/ml

48
Q

Which of the following anticoagulant does not bind to calcium?

A. EDTA
B. Citrate
C. Heparin
D. Oxalate

A

C. Heparin

49
Q

What is the preferred anticoagulant for platelet counting?

EDTA
CITRATE
OXALATE
HEPARIN

A

EDTA

KLUBSYBEAR (5 decks)

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