Recall Questions (Can be seen in boards) Flashcards by Miguel Acosta | Brainscape

Q

Process of Freezing a material at -40 C or less and then subjecting it to a high vacuum. Very low temperatures cause the ice to sublimate to a vapor state. The solid non-sublimate material remains behind in a dried state.

a. Cryofreezing
b. Lyophilization
c. Mix freezing
d. Vacuum freezing

A

b

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is the principle for Dry chemistry (Vitros) Spectrophotometer

a. Chemiluminescense
b. Spectrophotometry
c. Reflectance photometry
d. Nephlometry
e. Refractance photometry

A

c

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Used to measure in dry chemistry (Vitros)?

a. Tungsten
b. Spectrophotometer
c. UV
d. Flame

A

b

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Expired Reagent can lead to?

a. False Positive
b. False negative
c. Shift
d. Trend

A

d

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How many LT sample are required for you to establish reference range?

a. 20
b. 40
c. 120
d. 25

A

c

20 - Verify
40 - Estimate

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

If a medtech commits a pipetting error, what error is that?

a. Random
b. Systematic

A

a

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Reportable range: 3 - 500 uL
Reference Range: 10 -20 uL
Patient results 400 uL

Release or not?

A

Release

since it is within the reportable range

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Reagent Deterioration:

T_______ and Precipitation

Reagent fails to meet L__________ claims

Fails to recovcer c______ values in the stated range

M_________ has penetrated the vial and caking has occured

A

Turbidity

Linearity

control

moisture - Indication of expired

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Grading of these reagents should actually state its actual impurities

T or F

A

T

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Quality control monitors overall __________ of laboratory results

a. Precise
b. Accurate
c. Reliability

A

c

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Two divisions in Quality control:

Analysis of Control samples

a. Internal
b. External

A

a

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Two divisions in Quality control:

Statistical analysis

a. Internal
b. External

A

a

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Two divisions in Quality control:

Proficiency testing

a. Internal
b. External

A

b

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Two divisions in Quality control:

NEQAS (National external quality assurance scheme)

a. Internal
b. External

A

b

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Two divisions in Quality control:

Instrument maintenance

a. Internal
b. External

A

a

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

1:2s
1:3s
R:4s
2:2s
4:1s
10:x

a. 2 Levels
b. 3 levels

A

a

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

2of 32s
3:1s
7T
9x

a. 2 Levels
b. 3 levels

A

b

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Most commonly abused drug?

a. Ethanol
b. Marijuana
c. Shabu
d. Ecstasy

A

a

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Most frequent reagent/Diluent used in the laboratory?

A

Water

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Water is boiled, vaporied, and condensed which purified almost all organic materials

a. Distilled Water
b. Deionized water
c. Reverse osmosis
d. Double distillation
e. Ultraviolet oxidation

A

a

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Process of removing dissolved gases by nonvolatile substance steam in the distillation process or by dissolved substance from storage containers

a. Distilled Water
b. Deionized water
c. Reverse osmosis
d. Double distillation
e. Ultraviolet oxidation

A

d

Q

Used for tests that require ammonia (NH3) free water

a. Distilled Water
b. Deionized water
c. Reverse osmosis
d. Double distillation
e. Ultraviolet oxidation

A

d

Q

Water purified by ion exchange; removes some or almost all ions; organic materials may still be present it is neither pure nor sterile

a. Distilled Water
b. Deionized water
c. Reverse osmosis
d. Double distillation
e. Ultraviolet oxidation

A

b

Q

It is purified from previously pre filtered or distilled water?

a. Distilled Water
b. Deionized water
c. Reverse osmosis
d. Double distillation
e. Ultraviolet oxidation

A

b

Q

Produced using either an anion or a cation exchange resin

a. Distilled Water
b. Deionized water
c. Reverse osmosis
d. Double distillation
e. Ultraviolet oxidation

A

b

Q

It uses activated charcoal and membrane filtration which remove organic impurities

a. Distilled Water
b. Deionized water
c. Reverse osmosis
d. Double distillation
e. Ultraviolet oxidation

A

b

Q

Uses pressure to pump water across a semipermeable membrane

a. Distilled Water
b. Deionized water
c. Reverse osmosis
d. Double distillation
e. Ultraviolet oxidation

A

c

Q

Use also for pretreatment water

a. Distilled Water
b. Deionized water
c. Reverse osmosis
d. Double distillation
e. Ultraviolet oxidation

A

c

Q

This removes trace organic material or sterilization process at specific wavelength

a. Distilled Water
b. Deionized water
c. Reverse osmosis
d. Double distillation
e. Ultraviolet oxidation

A

e

Q

What is the biocidal wavelength for ultraviolet oxidation?

a. 254
b. 245
c. 452

A

a

Q

How do you clean plastic wares?

a. Do not use brushes or abrasive cleaners
b. Autoclave
c. Use Bleach
d. Dispose

A

a

Q

Which of the following is not a cleaning solutions for glass wares?

a. acid dichromate
b. nitric acid
c. Sodium hydrochloride

A

c

Q

Glasswares are calibrated at what temp?

A

Room temp

Q

Transfer:

For preparation of standard solution

a. Pasteur Pipet
b. Volumetric pipet
c. Ostwald Folin

A

b

Q

Transfer:

Always Self Draining

a. Pasteur Pipet
b. Volumetric pipet
c. Ostwald Folin

A

b

Q

Micropipet has a volume of less than __ mL

A

1

Q

Uses a suction aspirate and dispense sample through a polyropylene tip

a. Air displacement
b. Positive displacement
c. Dispenser pipets

A

a

Q

Piston mechanism: Air movement; relies on a piston for suction creation to draw a sample into a tip

a. Air displacement
b. Positive displacement
c. Dispenser pipets

A

a

Q

Uses a glass capillary tip fitted with teflon tipped plunger

a. Air displacement
b. Positive displacement
c. Dispenser pipets

A

b

Q

Tips are reusable

a. Air displacement
b. Positive displacement
c. Dispenser pipets

A

b

Q

Tips are disposable

a. Air displacement
b. Positive displacement
c. Dispenser pipets

A

a

Q

PARTS of MICROPIPETTER in The REVIEWER

A

Q

Piston comes in contact with the liquid; no-air interface

a. Air displacement
b. Positive displacement
c. Dispenser pipets

A

b

Q

Piston mechanism: syringe like; operates by moving the piston in the pipet tip or barrel

a. Air displacement
b. Positive displacement
c. Dispenser pipets

A

b

Q

For viscous and volatile liquids

a. Air displacement
b. Positive displacement
c. Dispenser pipets

A

b

Q

Positive displacement pipet:

a. with no air cushion
b. Can pipety high density samples
c. Aspiration force remains constant
d. A, B, and C

A

d

Q

Pipets should be stored at what position?

a. Horizontal position
b. Vertical position

A

b

Q

Pipets should be calibrated ________ times a year

a. 1-2
b. 2-3
c. 3-4
d. 4-5

A

c

Q

How to obtain better separation?

a. Increase the sepeed
b Increae the time
c None

A

c

Q

A