(Sunheimer)Chaptera 2 1 Laboratorya 2 a 2 Basics
1) Ion-
exchangea 2 filtersa 2 a 2 removea 2 whicha 2 ofa 2 thea 2 followinga 2 froma 2 aa 2 watera 2 so
urce?
A) Ionsa 2 toa 2 reducea 2 thea 2 minerala 2 a 2 contenta 2 ofa 2 water
B) Lead
C) Organica 2 solvents.
D) Bacteria
a2Answer:
A
2) Activateda 2 carbona 2 filtersa 2 remove:
A) Ionsa 2 froma 2 water.
B) Organica 2 compoundsa 2 froma 2 water.
C) Acidsa 2 anda 2 basesa 2 froma 2 water.
D) Largea 2 particulatesa 2 fr
oma2water.Answer: B
3) Aa 2 0.22-microna 2 a 2 filtera 2 willa 2 remove:
A) Particlesa 2 witha 2 aa 2 diametera 2 ofa 2 0.01a 2 microns.
B) Particlesa 2 witha 2 aa 2 diametera 2 ofa 2 0.01a 2 nanometers.
C) Particlesa 2 witha 2 aa 2 diametera 2 ofa 2 2.2a 2 microns.
D) Onlya 2 sodiuma2c
hloridea2crystals.A
nswer:a 2 C
4) Thea 2 unita 2 a 2 ofa 2 resistivitya 2 is:
A) Amperes.
B) Volts.
C) Coulombs.
D) MΩa 2 ∙
cm.
Answer: D
5) Microbiologicala 2 impuritiesa 2 ina 2 sourcea 2 watera 2 area 2 reporteda 2 ina 2 whicha 2 f
ormat?
A) Colonya 2 forminga 2 unitsa 2 pera 2 mLa 2 (Cfu/mL)
B) Totala 2 organica 2 carbona 2 (TOC)a 2 ina 2 ng/g
C) milligramsa 2 ofa 2 SiO2
D) Resistivity.
a2Answer:a 2
A
6) Accordinga 2 toa 2 CLSI,a 2 thea 2 resistivitya 2 ofa 2 clinicala 2 laboratorya 2 reagenta 2 watera
2 (CLRW)a 2 musta 2 be:
A) >a 2 100a 2 milliamps.
B) <a 2 10a 2 millivolts.
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,C) >a 2 10a 2 MΩa 2 ∙a 2 cm.
D) <a 2 10a 2 MΩa 2 ∙
cm.
Answer: C
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2 2nd
EditionSunheimer
7) Whicha 2 ofa 2 thea 2 followinga 2 shoulda 2 nota 2 bea 2 storieda 2 ina 2 borosilicatea 2 glass
a 2 becausea 2 ita 2 willa 2 etcha 2 theinsidea 2 surfacea 2 ofa 2 thea 2 glassa 2 container?
A) Saline
B) Stronga 2 basesa 2 (caustics)
C) Clinicala 2 laboratorya 2 reagenta 2 water
D) Weaka2aci
dsAnswer
:
B
8) Lowa 2 actinica 2 glasswarea 2 hasa 2 whicha 2 ofa 2 thea 2 followinga 2 properties?
A) Higha 2 thermala 2 resistancea 2 witha 2 noa 2 colora 2 addeda 2 toa 2 a 2 thea 2 glass
B) Lowa 2 thermala 2 resistancea 2 witha 2 aa 2 green-
yellowa 2 colora 2 addeda 2 asa 2 ana 2 integrala 2 parta 2 ofa 2 thea2glass
C) Higha 2 thermala 2 resistancea 2 witha 2 aa 2 bluea 2 colora 2 addeda 2 asa 2 ana 2 integrala
2 a 2 parta 2 ofa 2 thea 2 glass
D) Higha 2 thermala 2 resistancea 2 witha 2 ana 2 ambera 2 ora 2 reda 2 colora 2 addeda 2
asa 2 ana 2 integrala 2 parta 2 ofa 2 thea 2 glassAnswer: D
9) Carea 2 musta 2 bea 2 takena 2 beforea 2 selectinga 2 polyethylenea 2 plastica 2 fora 2
usea 2 asa 2 testa 2 tubesa 2 anda 2 disposabletransfera 2 pipetsa 2 because:
A) Polyethylenea 2 cana 2 binda 2 a 2 ora 2 absorba 2 proteins,a 2 dyes,a 2 a 2 stains,a 2 anda 2 picric
a 2 acid.
B) Polyethylenea 2 doesa 2 nota 2 binda 2 ora 2 absorba 2 proteins,a 2 dyes,a 2 a 2 stains,a 2 anda
2 picrica 2 acid.
C) Polyethylenea 2 cannota 2 a 2 bea 2 useda 2 toa 2 pipeta 2 serum.
D) Polyethylenea 2 formsa 2 insolublea 2 saltsa 2 ina 2 thea 2 pres
encea 2 ofa2sodiuma 2 chloride.Answer: A
10) Whicha 2 ofa 2 thea 2 followinga 2 classesa 2 ofa 2 glassware,a 2 includinga 2 pipets,a 2 is
a 2 manufactureda2and
calibratedtoa 2 delivera 2 thea 2 mosta 2 accuratea 2 volumea 2 ofa 2 liquid?
A) A
B) B
C) AA
D) C
Answer:
A
11) Aa 2 toa 2 delivera 2 a 2 ora 2 TDa 2 pipeta 2 isa 2 designeda 2 a 2 to:
A) Allowa 2 thea 2 usera 2 toa 2 removea 2 aa 2 portiona 2 ofa 2 thea 2 samplea 2 ina 2 thea 2
tipa 2 fora 2 bettera 2 a 2 accuracy.
B) Bea 2 vigorouslya 2 tappeda 2 a 2 againsta 2 a 2 thea 2 testa 2 tubea 2 aftera 2 alla 2 a 2 thea 2 liquida
2 isa 2 removed.
C) Draina 2 bya 2 gravity.
D) Bea 2 refilleda 2 ora 2 rinseda 2 outa 2 witha 2 thea 2 appropriatea 2 solventa 2 aftera
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