stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
MLS 2211 Unit 2: Instrumentation Flashcards | StudBud
Explore
/
MLS 2211 Unit 2: Instrumentation
MLS 2211 Unit 2: Instrumentation
27 terms
·
StudBud Administration
·
534 plays
Imported from external platform
Flashcards
27 cards
F
Practice quiz
P
Host live
L
Questions
27
Answers
1
If you have a voltage of 8 and a current of 16, what is your resistance?
4
.25
2
.5
2
The time between the passage of successive crests is the...
frequency
wavelength
amplitude
period
3
What is the formula for Beer's law?
A1/A2 = C1/C2
C1/A2 = C2/A1
C1/A1 = C2/A2
C1/C2 = A2/A1
4
In electrophoresis separation of proteins is based on which principle?
Size
Charge and size
Weight
Charge
5
Which of the following does not affect the chromatographic resolution
changing temperature
column composition
column length
light source
6
Which molecules would move the farthest on the gel sheet during electrophoresis?
large, positive
small, positive
large, negative
small, negative
7
Which colligative property is most commonly used in the medical laboratory?
Boiling point depression
Freezing point elevation
Osmotic pressure
Vapor pressure elevation
8
C1 = 50.2 mg/dL, A1 = 508, C2 = 65 mg/dL; what is A2?
392
4
608
658
9
What is your absorbance if you have a T of .78?
0.120
82
0.108
78
10
The correct sequence of events in the mass spec is?
deflection, ionization, acceleration, detection
acceleration, ionization, deflection, detection
ionization, acceleration, deflection, detection
11
Which is the correct equation for absorbance?
C1V1 = C2V2
T X 100
2 + log%T
2 - log%T
12
The height of the peak or trough from the midline is...
period
frequency
amplitude
wavelength
13
A densitometer is primarily used to differentiate what in a sample?
electrolytes
carbohydrates
lipids
proteins
14
When compared to coulometry, there is __ analyte consumption in voltammetry
minimal
no
maximum
optimum
15
Which has the longest wavelength?
Radio
X ray
UV
IR
16
On a serum protein electrophoresis band printout, what is the fastest band?
Albumin
Gamma
Alpha 2
Alpha 1
17
violet has the ____ wavelength and the ____ energy?
longest, highest
shortest, highest
shortest, lowest
longest, lowest
18
Potentiometry measures the __ between two electrodes in a solution
reaction
voltage
potential
current
19
What chromatography is used for initial screening for Drugs of abuse
TLC
IDK
HPLC
GC
20
Beers law is used when dealing with...
molarity
weight
absorbance
dilutions
21
Given a solute distance of 0.9 and a solvent distance of 3.1, what is the retention factor?
2.9
3.4
2.2
0.29
22
Conductance (G) is measured in?
watts
ohms
Newtons
volts
23
Which kind of wire is used in potentiometry?
pH
copper
silver
cellulose acetate
24
This electrode is used in amperometry
PO2
pH
ion-selective
PCO2
25
What does Mass Spectrometry do?
Ionizes molecules which are separated by size and charge
measures antigens by adding labelled tags in solution
used in salivary proteomics
measures lipoproteins by assesing hydrogen atoms spin
26
A collimator, the device that produces parallel beams of light, is found in a...
centrifuge
fluorometer
spectrophotometer
nephelometer
27
Light behaves as a...
wave
electron
particle
atom