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clinical chemistry Flashcards

1
Q

STAT

A

immediate, urgent requests, emergency usally less than 1 hour TAT

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2
Q

PRIORITY

A

important for clinical decisions, usually less than 2 hours TAT

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3
Q

ROUTINE

A

non-urgent, standard or special tests, generally 4-6 hours

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4
Q

FLUIDS USED ON CC TEST

A

blood, urine, csf, amniotic fluid, saliva, synovial fluid, pleural fluid, pericardial fluid, and peritoneal fluid.

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5
Q

fluid found in joint cavities

A

synovial fluid

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6
Q

fluid from the sac surrounding the lungs

A

pleural fluid

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7
Q

fluid from the sac surrounding the heart

A

pericardial fluid

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8
Q

ascitic fluid from the abdomen

A

peritoneal fluid

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9
Q

fluid portion of the blood when centrifuged

A

serum

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10
Q

serum is 95% composed of what?

A

water

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11
Q

the 55% that composes blood volume

A

serum

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12
Q

serum contains the ff.

A

protein, sugars, vitamins, minerals, lipids, lipoproteins.

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13
Q

the clotting factors of blood clot?

A

fibrin, platelets

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14
Q

the source of blood analysis

A

veins, arteries, skin puncture capillary blood

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15
Q

collection method for blood analysis

A

syringe, evacuated tube, intravenous lines

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16
Q

factors affecting choice of blood source and collection method

A

analyte under investigation and patient.

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17
Q

substances normally present with a function in the circulation

A

glucose, TP, albumin, individual proteins, electrolytes, TAG, cholesterol, hormones, vitamins

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18
Q

metabolites-nonfunctioning waste products in the process of being cleared

A

urea, creatinine, uric acid, ammonia, bilirubin

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19
Q

substances from cells as a result of cell damage

A

enzymes: LD, ALT, AST, CK, AMS, CGT, ALP & ACP

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20
Q

drugs & toxic substances

A

antibodies, substances of abuse, therapeutic drugs, poisons

21
Q

source for blood analysis

A

veins, arteries, capillary blood (skin puncture)

22
Q

collection method for blood analysis

A

syringe, evacuated tube, intravenous lines

23
Q

factors affecting choice of blood source/collection method

A

analyte under investigation, patient (vascular status, ease of collection)

24
Q

first order of draw

A

blood culture or tube

25
Q

the color of the first order of draw

A

yellow or yellow-black top

26
Q

second order of draw

A

coagulation tube

27
Q

the color of 2nd order/coagulation tube

A

light blue top

28
Q

third order of draw

A

non-additive tube

29
Q

color of 3rd order or non-additive tube

A

red top

30
Q

last draw

A

additive tube

31
Q

first order of additive tube

A

sst: red-gray or gold top

32
Q

what additive tube contains a separator and clot activator?

A

SST w/c red-gray or gold top

33
Q

2nd order of additive tube?

A

sodium heparin: dark green top

34
Q

3rd order of additive tube?

A

PST: light green top

35
Q

what additive tube contains lithium heparin anticoagulant and clot activator?

A

PST - light green top

36
Q

4th order of additive tube?

A

EDTA - lavender top

37
Q

last order of additive tube?

A

Oxalate or Flouride w/c is a Light Gray Top

38
Q

when labeling specimen, it should contain?

A

2 unique identifiers (name and either birthdate or unique requisition identifier/label)

39
Q

this area should be avoided as it is difficult to puncture the scar tissue and obtain a specimen?

A

extensive scars from burns and surgery

40
Q

this area should be avoided as test results may be affected because of lymphedema.

A

the upper extremity on the side of a previous mastectomy

41
Q

this area should be avoided as this would cause erroneous test results.

A

hematoma

42
Q

this area should be avoided where the fluid may dilute specimen

A

iv therapy / blood transfusion

43
Q

blood should not be drawn from an arm with ____

A

fistula or cannula

44
Q

area should be avoided as tissue fluid accumulation alters test result

A

edematous extremeties

45
Q

occurs in individual that have been exposed to foreign immunoglobins

A

Human Anti Animal Antibodies

46
Q

mouse antibodies

A

Human Anti Mouse Antibodies

47
Q

how many minutes is the recommended spin for horizontal, swing-bucket centrifuge?

A

10 mins

48
Q

how many minutes is the recommended spin for fixed-angle centrifuge?

A

15 mins

49
Q

maximum time limit from the time of collection the physically separation of serum from cell

A

2 hours

mt (54 decks)

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