random mt recalls (more on lab safety, hema, phleb, clin chem) Flashcards by MANABAT ROSELLE

Q

normal blood pH

A

7.35 to 7.45

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Q

occurs when serum pH is higher than normal

A

alkalemia ( > 7.45)

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Q

specimen collection and processing is under which part of quality assurance program?

A

pre-analytical phase

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Q

length of needle usually used in routine phlebotomy

A

1.0 - 1.5 inches

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Q

“no hazard” is what degree of hazard?

A

0 - no degree hazard
1 - slight hazard
2- moderate hazard
3 - extreme hazard
4 - serious hazard

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Q

It is a sample of known quantity with several analytes present.

A

control

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Q

normal values of platelet estimate (uL)

A

200,000 to 400,000 uL

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Q

what are the possible route of infection in the microbiology laboratory?

A

airborne, ingestion, direct inoculation, mucous membrane contact, arthropod vector

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Q

give the possible route of infection in the microbiology laboratory:

infectious sources are fleas

A

arthropod vector

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Q

give the possible route of infection in the microbiology laboratory:

aerosols form during centrifugation of unstoppered tubes

A

airborne

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Q

give the possible route of infection in the microbiology laboratory:

eating after failure to wash hands

A

ingestion

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Q

give the possible route of infection in the microbiology laboratory:

infection may result from needle sticks, broken glass, animal bites, or small scratches on the skin

A

direct inoculation

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Q

give the possible route of infection in the microbiology laboratory:

infection directly enter through conjunctiva of the eye

A

mucous membrane contact

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Q

why do we need to follow the order of draw?

A

to prevent carry over of the additives from one tube to the next and interfere with testing results

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Q

tourniquet should be securely wrapped around unclothe arm about ________ above selected site.

A

3 to 4 inches (7.5-10 cm)

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Q

true or false

the higher the gauge, the smaller the diameter

A

true

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Q

routinely, what are the gauge needles used?

A

19, 20, 21 (steininger)

20, 21, 22 (brown)

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Q

convenient and commonly used technique for making peripheral blood smears

A

wedge smear

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Q

enumerate the order of draw.

A

blood-culture tube (yellow)
sodium citrate tube (light blue)
serum tubes with or without clot activator or gel separator (red, gold, or red-gray marbled stopper)
heparin tubes (green or light green)
EDTA (lavender)
Oxalate or Fluoride tubes (gray)

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Q

RBC thoma pipet dilution?

A

DF = 200 or 100
Dilute to 101
aspirate to 0.5 or 1.0

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Q

WBC thoma pipet dilution?

A

DF = 20 or 10
Dilute to 11
aspirate to 0.5 or 1.0

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Q

it refers to time ordering a test through analysis in the lab to charting of the report

A

turnaround time (TAT)

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Q

it is the most widely used plan for quality improvement in health care

A

Plan-Do-Study-Act (PDSA)

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Q

these are processes that affect the reporting of results and correct interpretation of data

A

post analytical factors

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In NFPA, symbol relating to health hazard is color-coded as _________

blue

In NFPA, color white codes for __________

specific hazard

In NFPA, color yellow codes for __________

reactivity or instability hazard

In NFPA, color red codes for __________

fire hazard

picture the symbol of biohazard

search nalang di ako naka pro

give the color coding of medical waste disposal: sharp and needles

red

give the color coding of medical waste disposal: infectious waste

yellow

give the color coding of medical waste disposal: chemical wastes

yellow with black band

give the color coding of medical waste disposal: non infectious, wet

green

give the color coding of medical waste disposal: non infectious, dry

black

give the color coding of medical waste disposal: radioactive wastes

orange

true or false you should 'AAA' always add acid to water

true

normal stool pH

between 7 and 8

these processes directly affect testing of specimens. they include reagents, equipment, QC, instrumentation.

analytical factors

purplish red pinpoint hemorrhagic spots in the skin caused by loss of capillary ability to withstand normal blood pressure and trauma

petechiae

measures how long it takes your blood to form a clot, test of choice for monitoring therapy with unfractionated heparin

APTT/PTT

measures how quickly your blood forms a clot, help detect and diagnose a bleeding disorder or excessive clotting disorder

PT

thrombin-sensitive coagulation proteins

I, V, VIII, XIII (1, 5, 8, 13)

adsorbed plasma

II, VII, IX, X (2, 7, 9, 10)

contact family

XII, XI, prekallikrein, HMWK

blood-to-anticoagulant ratio

9:1

What is the simplest way to break the chain of infection?

handwashing

It is the measurement of an organization's products of services against specific standards for comparison and improvement.

benchmarking

if blood pressure cuff is to be used as tourniquet, it is inflated to _________

40-60 mmHg

give at least 3 test na needed ang fasting

FBS, OGTT, TAG, Lipid Panel, Gastrin, Insulin

proper collection of a sample recovery of Enterobius vermicularis

scotch tape preparation from perianal region

correct order of draw for venipuncture: a. red, blue, purple, gray b. red, green, lavender, gray c. blue, yellow, red lavender d. blue, red, gray, green

b

the most preferred vein for venipuncture

median cubital vein

what is the proper way to test for urine color?

check urine against white background

diamond symbol: blue

health hazard

microhematocrit method involves centrifugation for how many minutes?

5 mins

counter-ion of sodium

chloride

the peripheral blood smear of a healthy 10 year old patient would appear as ___________

normocytic. normochromic

3rd layer of spun hematocrit

1 - fatty layer 2 - plasma 3 - buffy coat 4 - packed rbcs

centrifuge calibration should be done a. monthly b. annually c. quarterly d. semi-annually

c

RACE stands for

rescue, alarm, contain, extinguish

PASS stands for

pull the pin aim at the base of the fire squeeze handles sweep nozzle side to side

most commonly used method for preserving urine

store in ref

If antecubital veins are unsuitable for venipuncture, what are the alternative sites? a. foot and hand b. wrist and hand c. wrist and foot

b

most preferred sample for POCT

capillary blood

AST and ALT are under which classification of enzymes?

transferases

clinical significance of ALP

hepatic and bone disorder

clinical significance of CK

myocardial infarction and skeletal muscle disorder

clinical significance of lipase

acute pancreatitis

major factor producing false elevations is ____

hemolysis

causative agent of syphilis

Treponema pallidum