Hematology w1s4

通報

問題一覧

Rate at which red blood cells sediment in a period of one hour. It is measurements of inflammation.

Erythrocyte sedimentation rate

Those activities in which the laboratory is engaged to ensure that information generated by the laboratory is correct.

Quality Assurance

All aspects of the laboratory activities that affects the results produced from the choice of the method, to the handling of specimen and reporting a results

Quality assurance

Give the 3 major activities of QA

Preventive, Assessment, Corrective

Activities done in prior to the examination of the specimen of sample that is intended to establish system conductive to accuracy testing

Preventive

Activities done during testing to determine whether the test systems are performing correctly.

Assessment

Done when error is detected to correct system

Corrective

Give a corrective QA that is most done in laboratory

Machine recalibration

It is the closeness to the estimated value to the true mean

Accuracy

It is the reproducity of a result whether accurate or inaccurate.

Precision

Sample you get in skin puncture?

Peripheral blood

Preferred fingers for skin puncture

Middle, Ring

Preferred site for less than 1 year old.

Heel

Site which has less nerve endings, less pain and less tissue juice

Earlobe

A skin puncture procedure where you can use to see abnormalities in WBC and histiocyte.

Earlobe puncture

What sites you have to avoid for skin puncture

Inflammed and pallor, Cold and cyanotic, Congested and edematous, Scarred and heavily calloused

What is the disadvantage of skin puncture?

Order of draw

It is the manner of inserting a syringe to a palpable vein to extract blood for laboratory testing.

Venipuncture

3 factors involved in a good venipuncture

Phlebotomist, Patient's vein, Equipment

Preferred degree of venipuncture

15-30

Preferred length of the needle

1-1.5 inches

Tourniquet stays only for about ___

1 minute

Number of attempt to position of the patient.

2 maximum

Give the order of draw

Blood culture, Citrate, Serum, Heparin, EDTA, Glucose

Give the 3 primary choice for new born 18 months venipuncture site

External Jugular vein, Temporal vein, Superior longhitudinal sinus

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