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Clinical Chemistry > Midterm > Flashcards

Midterm Flashcards

1
Q

The System International d’ Unites (SI) uses standard prefixes.
True or False.

A

The System International d’ Unites (SI) uses standard prefixes.
True

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2
Q

Which unit is not an SI unit?

a. Liter
b. Gram
c. Meter
d. Pound

A

Which unit is not an SI unit?

d. Pound

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3
Q

Distilled water is water produced by…

a. ion exchange purification
b. reverse osmosis
c. UV sterilization
d. Distillation

A

Distilled water is water produced by…

d. Distillation

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4
Q

A substance dissolved in a liquid is…

a. a solvent
b. a solute
c. a solution
d. an acid

A

A substance dissolved in a liquid is…

b. a solute

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5
Q

A percent solution is expressed as…

a. the amount of solute per 100 total units of solution
b. the number of moles per 1 liter of solution
c. the amount of solute per kg of solvent

A

A percent solution is expressed as…

a. the amount of solute per 100 total units of solution

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6
Q

The expression which mathematically represents the dissociation of weak acids and bases is known as…

a. resistivity
b. oxidation-reduction potential
c. the Henderson-Hasselbalch equation

A

The expression which mathematically represents the dissociation of weak acids and bases is known as…
c. the Henderson-Hasselbalch equation

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7
Q

If a thermometer used in a clinical laboratory is calibrated, it’s not necessary to record the temperatures for quality assurances purposes.
True or False

A

If a thermometer used in a clinical laboratory is calibrated, it’s not necessary to record the temperatures for quality assurances purposes.
True

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8
Q

Pipets are devices used to transfer volumes of liquids. Which device is not a pipet?

a. pasteur pipet
b. serological pipet
c. volumetric pipet
d. erlenmyer pipet
e. automatic pipet

A

Pipets are devices used to transfer volumes of liquids. Which device is not a pipet?
d. erlenmyer pipet

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9
Q

Which item is not true about centrifuges used in a clinical laboratory?

a. centrifuges need to be cleaned regularly
b. refrigerated centrifuges need to have their temperatures checked periodically
c. the RPM indicator on the centrifuge always indicates the correct RPMs
d. the centrifuge cover should remain closed until the centrifuge stops operating

A

Which item is not true about centrifuges used in a clinical laboratory?
c. the RPM indicator on the centrifuge always indicates the correct RPMs

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10
Q

How many grams of NaOH are required to make 1 liter of a 10% NaOH (w/v) solution?

a. 110 grams
b. 200 grams
c. 10 grams
d. 100 grams

A

How many grams of NaOH are required to make 1 liter of a 10% NaOH (w/v) solution?
d. 100 grams

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11
Q

If a patient’s glucose is assayed and reported to be 1000 mg/dL and it’s diluted 1:4, what should be the reanalyzed value?

a. 200 mg/dL
b. 250 mg/dL
c. 500 mg/dL
d. 100 mg/dL

A

If a patient’s glucose is assayed and reported to be 1000 mg/dL and it’s diluted 1:4, what should be the reanalyzed value?
b. 250 mg/dL

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12
Q

Beer’s Law describes the relationship between the concentration of a solution and the solution’s absorbance in many photometric determinations.
True or False

A

Beer’s Law describes the relationship between the concentration of a solution and the solution’s absorbance in many photometric determinations.
True

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13
Q

The needle gauge with the largest lumen is…

a. 18
b. 16
c. 21

A

The needle gauge with the largest lumen is…

b. 16

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14
Q

The purpose of the OSHA Hazard Communication, General Industry Safety Standard, 29 CFR 1910.1200 is to require employers to establish a program ensuring personnel are provided with information regarding the workplace dangers of…

a. blood borne pathogens
b. environment hazards
c. general safety hazards
d. hazardous chemicals

A

The purpose of the OSHA Hazard Communication, General Industry Safety Standard, 29 CFR 1910.1200 is to require employers to establish a program ensuring personnel are provided with information regarding the workplace dangers of…
d. hazardous chemicals

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15
Q

Labels on shipped chemicals from manufacturers, importer or distributors are required to include information on (section 8, q.42)?

a. physical properties of the chemical
b. accident instructions
c. appropriate hazard warnings
d. exposure limits

A

Labels on shipped chemicals from manufacturers, importer or distributors are required to include information on (section 8, q.42)?
c. appropriate hazard warnings

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16
Q

A chemical that causes immediate visible destruction or irreversible alterations of human tissue at the contact site is best classified as an (sect. 8, q. 41)…

a. carcinogenic
b. toxic
c. ignitable
d. corrosive

A

A chemical that causes immediate visible destruction or irreversible alterations of human tissue at the contact site is best classified as an (sect. 8, q. 41)…
d. corrosive

17
Q

An example of personal protective equipment (PPE) is (sect. 8, q. 74)…

a. a biological safety cabinet
b. an emergency safety shower
c. an eyewash station
d. a lab coat

A

An example of personal protective equipment (PPE) is (sect. 8, q. 74)…
d. a lab coat

18
Q

The use of standard “Universal Precautions” minimizes exposure to (sect. 8, q. 88)…

a. blood borne pathogens
b. chemical hazards
c. radiation hazards
d. environment hazards

A

The use of standard “Universal Precautions” minimizes exposure to (sect. 8, q. 88)…
a. blood borne pathogens

19
Q

Which is the most likely mode of transmission for blood borne pathogens (sect. 8, q. 91)?

a. parenteral inoculation of immunodeficiency disease
b. contact with intact skin
c. airborne transmission
d. fecal-oral transmission

A

Which is the most likely mode of transmission for blood borne pathogens (sect. 8, q. 91)?
a. parenteral inoculation of immunodeficiency disease

20
Q

A vacutainer tube with a green stopper normally contains…

a. EDTA
b. heparin
c. accelerate

A

A vacutainer tube with a green stopper normally contains…

b. heparin

21
Q

The major source of safety information for employees in a clinical laboratory who may use hazardous chemicals is…

a. the vendors product insert
b. the handbook of chemical first aid
c. the label on the chemical
d. the material safety data sheet

A

The major source of safety information for employees in a clinical laboratory who may use hazardous chemicals is…
d. the material safety data sheet

22
Q

A class C fire is classified as…

a. paper, wood, combustibles
b. gasoline, grease, oil
c. electrical equipment, switches, motors

A 
A class C fire is classified as...
c. electrical equipment, switches, motors

Clinical Chemistry (1 decks)

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