STUDY GUIDE 2026/2027 ACCURATE
QUESTIONS WITH CORRECT DETAILED
ANSWERS || 100% GUARANTEED PASS
<NEWEST VERSION>
1. 4 types of centrifuges - ANSWER ✔ -tabletop
-microcentrifuges
-high-speed centrifuges
-ultracentrifuges
2. 3 types of pipettes - ANSWER ✔ 1. automated
2. semi-automated
3. glass
3. Automated pipettes - ANSWER ✔ frequently used to prepare many samples
for analysis and can be an integral part of automated analyzer
4. Semi-automated micropipettes - ANSWER ✔ contain or deliver small
volumes of liquid ranging from 1 to 1000ul
5. 2 types of displacement for semi-automated pipettes - ANSWER ✔ air
displacement: forward & reverse
positive displacement
6. Types of glass pipettes - ANSWER ✔ -transfer/volumetric
, -measuring/graduated
-to contain (TC) or rinse-out pipettes
-to deliver (TD) pipettes
-to deliver/blow-out
7. Transfer/volumetric pipettes - ANSWER ✔ have a bulb in the middle of the
pipette with a tapered delivery tip
8. accuracy - ANSWER ✔ extent to which measurements agree with true value
of quantity being measure
9. Diagnostic specificity - ANSWER ✔ defined as the percentage of
individuals without a given disease who have a negative result by a given
result
10.Communication of Critical Result - ANSWER ✔ Part of the Joint
Commission's National Patient Safety Goals
11.CAP requires that glassware cleaning practices includes periodic testing for -
ANSWER ✔ detergent
12.ICD-9 - ANSWER ✔ related to diagnosis
13.Formaldehyde - ANSWER ✔ a potential carcinogen
14.Diethyl ether - ANSWER ✔ a chemical that is extremely volatile,
flammable, and capable of forming explosive peroxides upon long-term
contact with atmospheric oxygen
,15.Ammonia & chlorine - ANSWER ✔ a hazardous chemical combination are
incompatible and should not be stored together
According to CLSI blood samples are centrifuged at ? - ANSWER ✔ 1000
to 1200 RCF for 10-15 mins
16.RCF formula - ANSWER ✔ RCF= 1.18x10⁻⁵ x r x (rpm)²
17.What are the standard speeds in rpm for low, high centrifugation and
ultracentrifugation ? - ANSWER ✔ Low speed around 10⁴ , high speed
between 1.7x10⁴ and 3x10⁴ and ultra centrifugation up to 1,5x10⁵
18.Microscope
Magnification of the;
Low-power objective
High-power objective
Oil immersion objective - ANSWER ✔ Low-power objective -usually 10x
High-power objective - 40x
Oil immersion objective- 100x
19.What are the regulated temperature parameters for temperature-regulated
equipment ?
(i) Heat blocks and water bath
(ii) Room temperature
(iii) Refrigerator general lab
(iv) Refrigerator blood bank lab
(v) Freezer general lab
(vi) Freezer blood bank lab - ANSWER ✔ (i) Heat blocks and water
bath: 36°C to 38°C
(ii) Room temperature: 20°C to 24°C
(iii) Refrigerator general lab: 2°C to 8°C
(iv) Refrigerator blood bank lab: 1°C to 6°C
, (v) Freezer general lab: ≤-18°C
(vi) Freezer blood bank lab: ≤-65°C
20.CPT codes for Lab procedures are numbered between ___ and ___ -
ANSWER ✔ 80000 and 89990
21.centrifuge specimen for how long? - ANSWER ✔ 5-10 minutes at 2400 rpm
22.is a substance that is dissolved in a liquid - ANSWER ✔ solute
23.is the liquid in which the solute is dissolved - ANSWER ✔ solvent
24.is a mixture of a substance dissolved in a solvent - ANSWER ✔ solution
25.small amount of a solute in a solvent - ANSWER ✔ dilute solution
26.large amount of solute in solvent - ANSWER ✔ concentrated solution
27.molecules of solute in solution are equilibrium with excess undissolved
molecules
temperature affects solubility - ANSWER ✔ saturated solution
28.more solute in the solution than present in saturated solution of same
substance, at the same temperature and pressure
unstable- cannot exist equilibrium with solid phase - ANSWER ✔
supersaturated solution