routine hematology procedures Flashcards

(30 cards)

1
Q

routine hema procedure that is not part of CBC

a. hbg
b. plt count
c. rbc count

A

plt count

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2
Q

reagents of cyanmethemoglobin that decrease amount of turbidity resulting from abnormal proteins and improve rbc lysis

a. KCN
b. potassium ferricyanide
c. KH2PO4
d. non ionic detergent

A

nonionic detergent

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3
Q

reagents of cyanmethemoglobin that replaced the Sodium Bicarbonate

a. KCN
b. potassium ferricyanide
c. KH2PO4
d. non ionic detergent

A

KH2PO4

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4
Q

reagents of cyanmethemoglobin that shortens the reaction time instead of 15 mins to 3mins

a. KCN
b. potassium ferricyanide
c. KH2PO4
d. non ionic detergent

A

KH2PO4

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5
Q

methemoglobin + potassium cyanide =

a. cyanmethemoglobin
b. sulfhemoglobin
b. methemoglobin

A

cyanmethemoglobin

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6
Q

what is the remedy for Lipemic sample

a. centrifuge the mixture and use the supernatant
b. add 0.01ml of patient plasma to 5.0ml of HiCn reagent and use this as a blank
c. dilute mixture 1:1 with H2O then multiply the results to 2

A

Lipemic sample

b. add 0.01ml of patient plasma to 5.0ml of HiCn reagent and use this as a blank

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7
Q

what is the remedy for HgB S and HgB C

a. centrifuge the mixture and use the supernatant
b. add 0.01ml of patient plasma to 5.0ml of HiCn reagent and use this as a blank
c. dilute mixture 1:1 with H2O then multiply the results to 2

A

hgb s ang hgb c
c. dilute mixture 1:1 with H2O then multiply the results to 2

high wbc and plt count ———–>centrifuge the mixture and use the supernatant

lipemic sample ———> add 0.01ml of patient plasma to 5.0ml of HiCn reagent and use this as a blank

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8
Q

how many oxygen does 1g of hbg have?

a. 1.34mL
b. 1.45 mL
c. 1.24mL

A

1.34mL

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9
Q

how many Fe++ does 100g of hgb have?

a. 0.345g
b. 1.34 ml
c. 3.37 mg

A

0.345g of Fe++ = 100g of Hgb

1g hgb = 3.47mg iron

1g hgb = 1.34ml of oxygen

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10
Q

method o fcyanmethemoglobin that uses in bloodbank to screen the blood donors

a. blood oxygen capacity
b. colorimetric method
c. copper sulfate method

A

copper sulfate method

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11
Q

what is the specific gravity of the copper sulfate solution

a. 1.053
b. 1.009
c. 1.043

A

1.053

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12
Q

van slyke method

a. blood oxygen capacity
b. blood iron content
c. copper sulfate method

A

blood oxygen capacity

gasometric/ vam slyke method

it uses VAN SLYKE - NEIL APPARATUS or the NATELSON MICRO GASOMETER

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13
Q

measures the functional hemoglobin only

a. blood oxygen capacity
b. blood iron content
c. copper sulfate method

A

blood oxygen content

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14
Q

what is the reagent used in ACID HEMATIN

a, 0.1 N HCL
b. 0.1 N NaOH

A

0.1 N HCL

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15
Q

what is the reagent used in alkali hematin

a. 0.1 N HCL
b. 0.1 N NaOH

A

0.1 N NaOH

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16
Q

sahli’s method

a. copper sulfate method
b. acid hematin
c. alkali hematin

17
Q

Gravimetric method

a. copper sulfate method
b. blood oxygen content
c. acid hematin

A

copper sulfate method

18
Q

abnormla hgb pigments mostly acquired due to exposure to certain drugs and chemicals

a. carboxyhgb
b. methemoglobin
c. sulfhahgb

A

methemoglobin

19
Q

it is abnormal pigments of hemoglobin that is thought to be formed by the action of sulfonamides and aromatic amines

a. carboxyhgb
b, methemoglbn
c. sulfhahgb

20
Q

test to detect the Carboxyhgb

a. copper sulfate method
b. sahli’s mthod
c. katayama’s test

A

katayama’s test

  • it uses AMMONIUM SULFIDE as a reagent and will detect as little as 10% of carboxyhgb conc
    (+) carboxyhgb = ROSE RED
21
Q

DIAPHORASE DEFICIENY

a. inherited methemoglbn
b. acquired methemoglbn

A

inherited methemoglobin

most commonly attributed to NADPH METHEMOGLBN REDUCTASE DEFICIENCY, also called DIAPHORASE DEFICIENCY

22
Q

EXPOSURE TO CERTAIN DRUGS AND CHEMICALS

A. Inherited methemoglbn
b. acquired methemoglbn

A

ACQUIRED METHEMOGLBN

23
Q

ANTICOAGULANT USED IN METHEMOGLOBIN

a. sps
b. heparin
c. edta

A

edta or heparin

24
Q

it is abnormal pigment of hgb that is associated with severe constipation and in bacteremia with Clostridium welchii

a. carboxyhgb
b. methemoglbn
c. sulfhahgb

25
What is the size of the internal bore of the wintrobe tube? a. 3mm b, 1.2 mm
3mm long= 115mm
26
how long does microhematocrit is? a, 115mm b. 75mm c. 90 mm
75mm long
27
how CLAY SEAL should it be? a. 2-4 mm b, 1-6 mm c. 4-6 mm
4-6 mm long
28
what is the dilution for RBC UNOPETTE A. 1:20 B. 1:200 C 1:2000
1:200 WBC DILUTION- 1:20
29
what are the RBC DILUTING FLUID G E N T S B H D
RBC DILUTING FLUID (GEN TSB Hayem Dacie) G=GOWER E= EAGLE N=NSS T=TOISON S= STRONG B= BETHEL HAYEM DACIE
30
what are the diluting fluid of wbc
1. 2% acetic acid 2. 1% HCL 3. Turk's diluting fluid