(Sunheimer)Chapter v 1 Laboratory v v Basics
1) Ion-exchange v filters v v remove v which v of v the v following v from v a
v water v source?
A) Ions v to v reduce v the v mineral v v content v of v water
B) Lead
C) Organic v solvents.
D) Bacteria
vAnswer:
A
2) Activated v carbon v filters v remove:
A) Ions v from v water.
B) Organic v compounds v from v water.
C) Acids v and v bases v from v water.
D) Large v particulates
v from vwater.Answer: B
3) A v 0.22-micron v v filter v will v remove:
A) Particles v with v a v diameter v of v 0.01 v microns.
B) Particles v with v a v diameter v of v 0.01 v nanometers.
C) Particles v with v a v diameter v of v 2.2 v microns.
D) Only v sodium
vchloride
vcrystals.Answer:
vC
4) The v unit v v of v resistivity v is:
A) Amperes.
B) Volts.
C) Coulombs.
D) MΩ v ∙
cm.
Answer: D
5) Microbiological v impurities v in v source v water v are v reported v in v which
v format?
A) Colony v forming v units v per v mL v (Cfu/mL)
B) Total v organic v carbon v (TOC) v in v ng/g
C) milligrams v of v SiO2
D) Resistivity.
vAnswer:
vA
6) According v to v CLSI, v the v resistivity v of v clinical v laboratory v reagent v water
v (CLRW) v must v be:
A) > v 100 v milliamps.
B) < v 10 v millivolts.
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,C) > v 10 v MΩ v ∙ v cm.
D) < v 10 v MΩ v ∙
cm.
Answer: C
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, DOWNLOAD v THE v Test v Bank v for v Clinical v Laboratory
v Chemistry v 2nd
EditionSunheimer
7) Which v of v the v following v should v not v be v storied v in v borosilicate
v glass v because v it v will v etch v theinside v surface v of v the v glass
v container?
A) Saline
B) Strong v bases v (caustics)
C) Clinical v laboratory v reagent v water
D) Weak
vacidsAnsw
er
:
B
8) Low v actinic v glassware v has v which v of v the v following v properties?
A) High v thermal v resistance v with v no v color v added v to v v the v glass
B) Low v thermal v resistance v with v a v green-yellow v color v added v as v an
v integral v part v of v the vglass
C) High v thermal v resistance v with v a v blue v color v added v as v an
v integral v v part v of v the v glass
D) High v thermal v resistance v with v an v amber v or v red v color v added
v as v an v integral v part v of v the v glassAnswer: D
9) Care v must v be v taken v before v selecting v polyethylene v plastic v for
v use v as v test v tubes v and v disposabletransfer v pipets v because:
A) Polyethylene v can v bind v v or v absorb v proteins, v dyes, v v stains, v and
v picric v acid.
B) Polyethylene v does v not v bind v or v absorb v proteins, v dyes, v v stains,
v and v picric v acid.
C) Polyethylene v cannot v v be v used v to v pipet v serum.
D) Polyethylene v forms v insoluble v salts v in v the
v presence v of vsodium v chloride.Answer: A
10) Which v of v the v following v classes v of v glassware, v including v pipets,
v is v manufactured vand calibratedto v deliver v the v most v accurate
v volume v of v liquid?
A) A
B) B
C) AA
D) C
Answer:
A
11) A v to v deliver v v or v TD v pipet v is v designed v v to:
A) Allow v the v user v to v remove v a v portion v of v the v sample v in
v the v tip v for v better v v accuracy.
B) Be v vigorously v tapped v v against v v the v test v tube v after v all v v the
v liquid v is v removed.
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v Pearson vEducation, v Inc.