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Medical Lab Assistant > Med. Lab Procedures - Module 3&4 > Flashcards

Med. Lab Procedures - Module 3&4 Flashcards

1
Q

TRUE OR FALSE

Blood bank/Immunohematology deals with blood for transfusions

A

True

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2
Q

What does immunochemistry use in their tests?

A

Antibodies

to detect a range of substances in the blood

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3
Q

Red top tubes need how long for full clot activation?

A

45-60 minutes

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4
Q

How long does an SST tube take for full clot activation?

A

30 minutes

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5
Q

Liver disease can increase bilirubin in the serum,
making it appear darker yellow. What else is this called?

A

Icteric serum

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6
Q

Ingestion of fats or other lipids make the sample cloudy, also known as…

A

Lipemic serum

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7
Q

Serum with a pink tinge could be a sign of ________

A

hemolysis

(hemolyzed serum)

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8
Q

What is a common cause of hemoconcentration?

A
  • Tourniquet on too long
  • Massaging, squeezing, or probing a site
  • Sclerosed or occluded veins
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9
Q

What are common causes of hemolysis?

A
  • incorrect needle size
  • improper tube mixing
  • incorrect filling of tubes
  • excessive suction
  • prolonged tourniquet
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10
Q

What does coagulation depend on?

A

the presence of clotting factors and platelets.

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11
Q

What is the term for fainting?

A

Synoscope

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12
Q

What is Emisis?

A

nausea and vomiting

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13
Q

Petechiae is ________

A

Pinpoint red spots that form on the skin as a result of bleeding

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14
Q

What medication is known to cause potential for prolonged bleeding?

A

Heparin

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15
Q

What can cause a hematoma?

(Bruise)

A
  • improper pressure is applied after the venipuncture
  • if the patient suddenly moves, and the needle comes out of the vein
  • if the needle punctures both walls of the vein
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16
Q

What is a unique identifying number used for cataloging a sample in the laboratory called?

A

Accession Number

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17
Q

To aliquot means…

A

to transfer a small portion of a specimen into separate containers for distribution

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18
Q

What is the maximum wait time before a specimen is delivered to the lab?

A

45 minutes

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19
Q

Blood smears should be made from an EDTA tube within what time?

A

within 1 hour

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20
Q

A red top tube with no additives completely clots in ________ (time) at room temperature

A

60 minutes/1 hour

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21
Q

Can Plasma be removed from a clot at room temperature?

A

no

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22
Q

Why are some specimens kept cool after collection and before testing?

A

to slow down cellular metabolism

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23
Q

What is centrifuge separation based on?

A

Component Density

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24
Q

What is order of draw for microtubes?

A

Lavender
Green
Light Green
Grey
Gold
Red

25
How might you know if you hit an artery?
Bright red blood Filling in spirts
26
What colour tube is a thyroid test done in?
Dependant on location either: Light Green or Gold
27
Phenytoin, Clozapine, Tacrolimus, Cyclosporine are all tests for what kind of monitoring?
Therapeutic Drug Monitoring
28
What colour tube is Cyclosporine tested in?
Lavender Cyclosporine is an immunosuppressant and is commonly used to prevent rejection of transplant organs
29
What colour tube would you use for a Phenytoin test?
Dependant on location but either Gold or Red is an anti-seizure medication
30
When doing a Clozapine test, what colour tube should you grab?
Red Along with testing the clozapine level itself, CBC is also commonly ordered to monitor neutropenia. prescribed to schizophrenic patients
31
When would a Tacrolimus test be ordered and what kind of tube would you use?
Is an immunosuppressant drug, commonly used for transplant patients to prevent rejection Lavender - EDTA tube for whole blood sample
32
Liver function tests are done on what colour tube?
Dependant on location Light Green or Gold
33
What is a common liver function test on a requisition?
Bili = bilirubin ALT = alanine transaminase ALP = alkaline phosphatase test AST = aspartate aminotransferase ALB = albumin blood test TP = total protein test GGT = gamma-glutamyl transferase test
34
What is heparin?
It is a blood thinner (anticoagulant) can result in prolonged bleeding, often used to prevent blood vessel, lung or heart clotting
35
What is the most common infection acquired in a laboratory setting?
Hepatitis B virus
36
What does Standard Precaution refer to?
Assuming that every body fluid is infectious that you come in contact with
37
What is pasteurization?
rapidly heating a liquid (to 75°C) then cooling and sealing
38
What is Autoclaving?
produces steam at high pressures with temperatures exceeding 120°C for around 15 minutes
39
What does RACE stand for and when do you use it?
For fire Rescue Alarm Contain Evacuate
40
What does PASS stand for and when should it be used?
Fire Extinguisher Pull pin Aim Squeeze Sweep
41
What does this symbol mean?
Flammable Can burn or explode with exposed to heat
42
This symbol means?
Oxidizing Keep separate from flammables or can cause flames and increase the intensity of a fire with supply of oxygen
43
This symbol represents ______
Corrosive can include acids, bases or other corrosive materials
44
What does this symbol mean?
Reactive Material (Explosive) May be unstable and react to compression, heat, light or jarring May burn, explode or produce dangerous gases when mixed with other materials
45
This symbol means ______
Compressed Gases can explode if heated or damaged Should be kept upright
46
This means...
Ionizing Radiation Can penetrate deeply into the body
47
This means?
Toxic
48
What is a fomite?
a microorganism that spreads blood borne diseases
49
What is a Class C fire?
Electrical
50
What does WHMIS stand for?
Workplace Hazardous Materials Information System
51
Category A Infectious Substances classes are...
52
What is an Accession Number ?
A unique identifying number used for cataloging a sample in the lab
53
A small portion of a specimen transferred into separate containers for distribution is called ______
Aliquot
54
What is the maximum time that could elapse before a specimen arrives at the lab?
45 minutes
55
Blood smears made with whole blood (EDTA) should be made within what amount of time?
1 hour
56
What are the two different types of WHMIS labels?
Supplier Label Workplace Label
57
A WHMIS label for the supplier must include what 7 things?
1. Product Name 2. Pictogram - Hazard Symbol 3. Risk Phrases/Signal Words 4. Hazard Statements 5. Precautionary Measures/Statements 6. Supplier Identifier 7. References to SDS (Safety Data Sheet)
58
Workplace labels need these 3 things
Product Name Safe handling procedures reference to SDS (Safety Data Sheet)

Medical Lab Assistant (19 decks)

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