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Clinical Chemistry - MCE Review > Specimen Collection & Handling > Flashcards

Specimen Collection & Handling Flashcards

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1
Q

Modified Allen Test

A

determine whether the ULNAR ARTERY can provide collateral circulation to the hand after the radial artery puncture

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2
Q

Best Site for blood gas analysis

A

Indwelling Umbilical Artery

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3
Q

Primary collection site for blood gas analysis

A

Radial Artery

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4
Q

Order of Draw for Capillary skin puncture

A

Blood Gas, Slide/Smears, EDTA, Other additive Microtainer, Serum Microtainer

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5
Q

Collection site for capillary puncture in individuals 1 year old and above

A

Finger stick (Middle or ring finger)

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6
Q

Order of Draw for Venipuncture

A

SPS/ACD, Sodium Citrate, No additive, Heparin, EDTA, Fluoride

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7
Q

Preferred vein for Venipuncture (M pattern)

A

Median Vein

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8
Q

Preferred vein for Venipuncture (H pattern)

A

Median Cubital

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9
Q

Tourniquet should be applied _____________ the site of collection and should not be longer than _______

A

Tourniquet should be applied 3-4 inches/7-10 cm the site of collection and should not be longer than 1 min/60 sec

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10
Q

Hemoconcentration affects what analytes?

A

It falsely increases: Enzymes, proteins, protein-bound substances, cholesterol, triglyceride, calcium, potassium

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11
Q

Blood pressure cuff can be used as tourniquet when inflated at _________

A

60 mmHg

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12
Q

A properly tied tourniquet has the ends pointing __________ and the loop pointing __________

A

A properly tied tourniquet has the ends pointing TOWARDS THE SHOULDER and the loop pointing TOWARDS THE HAND

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13
Q

Most commonly used needle length

A

1 in & 1.5 in (2.54 cm & 3.81 cm)

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14
Q

What length of needle provides better control for venipuncture

A

1 in

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15
Q

Most common gauge of needle used

A

g19, g20, g21

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16
Q

Needle should be inserted at what angle?

A

15 to 30

17
Q

What is the appropriate course of action when collecting blood samples in patients with an IV

A

-Use the opposite arm or perform needle stick
-Have the nurse turn off the IV for 2 min
-Apply tourniquet below the IV
-Use a different vein if possible

18
Q

How many inversions should be done on a light blue top ETS?

A

3-4

19
Q

A Yellow top glass ETS is used for?

A

Molecular studies and cell culture

20
Q

Most common complication in phlebotomy

A

Vascular complication

21
Q

Appropriate course of action when collecting bloods in patients taking Streptokinase/Tissue plasminogen Activator

A

Hold pressure until bleeding has stopped

22
Q

Second most common phlebotomy complication

A

Infections

23
Q

Refers to the resting metabolic state of the body early in the morning after fasting

A

Basal State

24
Q

Test status designations and priorities

A

STAT, Timed, ASAP, Fasting

25
Q

Laboratory tests that require fasting

A

Gastrin, Aldosterone/Renin, Lipid Panel, Insulin, Triglyceride, Glucose Tolerance Test, Fasting Glucose

(GALIT GF ko kaya Fasting nanaman kami)

26
Q

Laboratory tests that require chilling

A

Pyruvate, PTH, Ammonia, Gastrin, Glucagon, ACTH, Ammonia, Renin, Acetone Lactic Acid

(PPAGG AARAL)

27
Q

Laboratory Test Samples that needs protection from light

A

Bilirubin, Carotene, Erythrocyte Protoporphyrin, Vitamin A, Vitamin B 12

28
Q

Cortisol peaks at what time of day?

A

4 - 6 AM

29
Q

What time of day is Cortisol lowest?

A

8 pm - 12 am

30
Q

Cortisol is ___ lower at 8 pm that at 8 am

A

50%

31
Q

Prolactin is higher during _____ and at _______

A

Prolactin is higher during 4 - 8 am and at 8 - 10 pm

32
Q

Iron peaks at what time of day?

A

Early to late morning

33
Q

Iron decreases up to ___ during the day

A

30%

34
Q

Which laboratory tests are affected with day to day variation

A

CK, ALT, Bilirubin, Iron, TSH, TAG, Steroids

35
Q

Alkaline phosphatase increases after ________

A

Alkaline phosphatase increases after a high-fat meal ingestion

Clinical Chemistry - MCE Review (4 decks)

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