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phlebotomy > nha practice > Flashcards

nha practice Flashcards

1
Q

how long should a tech wait after patient has received oral medication to draw for a peak level blood draw

A

1-2 hours; ensure meds are not a toxic level

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2
Q

how big is the needle for donating blood

A

16-18 gauge

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3
Q

when should you replace the sharps container

A

80% full; 2/3rds full

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4
Q

what should you have the patient do when you’re having trouble locating the veins

A

dangle arm for 1-2 mins

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5
Q

what should you do when you find bruising/ sore/ anything that could cause discomfort on the arm where the tourniquet should be?

A

tourniquet over sleeve; ideally if patient has long sleeves always put tourniquet over sleeves

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6
Q

patient procedure of collecting semen specimen

A

collect in sterile container, keep warm, and deliver token within one hour

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7
Q

what actions should you take to locate vein using the warming technique

A

encase warm towel in plastic bag; to keep patient skin dry and maintain towel temp

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8
Q

what tube is used for a PT/PTT test

A

light blue; sodium citrate; anticoagulant

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9
Q

erythrocyte sedimentation rate test is collected in what tube

A

lavender; hematology

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10
Q

when collecting a vancomycin peak level for an inpatient patient, who do talk to about medication schedule

A

attending nurses;

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11
Q

how do you collect a sputum sample

A

asap in morning; no rinsing mouth, eating or drinking

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12
Q

what additive is used to collect blood specimen for CBC

A

EDTA; lavender tube; hematology

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13
Q

why should a tech centrifuge a serum specimen before transport to outside reference lab

A

cells must be separated from serum

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14
Q

thrombin is used to help accelerate clotting for what specimens

A

serum

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15
Q

what tube is used for testing thyroid studies

A

speckled; tiger top; gold

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16
Q

ammonia specimen needs to be immediately placed in

A

ice water slurry; shows down metabolic process and protects analytes

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17
Q

what tube do you collect blood in for determining patients sodium level

A

green; heparin aids in determining sodium levels

18
Q

what PPE should you use when collecting from a patient with scabies

A

gown and gloves; contact precautions

19
Q

when collecting for a urine culture, what type of collection is best

A

clean catch midstream; reduces bacteria for testing

20
Q

what test is affected when using povidone iodine to clean for dermal puncture

A

potassium; can cause false elevations

21
Q

what tube/ additive do you use when performing chromosome analysis test

A

heparin; green; anticoagulant producing plasma specimen for chromosome analysis

22
Q

what is included in workflow pathway

A

entering critical lab data

23
Q

when should you collect blood for a trough level test

A

15-30 mins before the next medication dose

24
Q

when a patient is brought in unconscious, what type of consent is it

A

implied consent;

25
Q

how should specimen be shipped in hot weather

A

in a box with cold packs and biohazard label

26
Q

chemical name for chlorine bleach

A

sodium hypochlorite

27
Q

when collecting for a blood assay, what tube do you fill up first

A

yellow- decreases probability of bacterial contamination

28
Q

when using an evacuated tube system

A

needle 30° angle in direction of vein with bevel up

29
Q

what can cause a grossly hemolyzed specimen

A

incorrect needle gauge

30
Q

what is a potential consequence of mislabeling a blood bank specimen

A

transfusion reaction

31
Q

when transporting a semen sample, the sample should be at what temperature

A

36-38° C (98.6°F)

32
Q

a tech is collecting a unit of blood from a donor. what should the tech tell the donor to do during the procedure

A

instruct donor to open and close hand gently throughout collection

33
Q

when performing a chromosome analysis test for a patient what additive is needed for the tube

A

heparin (green)

34
Q

what temperature should blood be stored at

A

2-8°C (35.6- 46.4° F)

35
Q

what color tune does a lactic acid test belong to

A

a gray tube top

36
Q

after using syringe method to collect a blood culture from an adult patient, what actions do you take after collecting

A

withdraw blood into sterile safety syringe

37
Q

what is the normal range for troponin T levels

A

0-0.2 ng/ml

38
Q

where should you place the blood on a peripheral blood smear

A

1 mm drop of blood one half inch from edge of slide

39
Q

what additive is needed in tubes when collecting serum

A

thrombin

40
Q

why is the order of draw different for capillary collections

A

increased rate of coagulation

phlebotomy (5 decks)

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