MTLE RECALLS EXAM WITH 100%
CORRECT ANSWERS
2:10, 2:8 - ANSWER-Dilution and ratio of 2mL soln to 8 mL solvent
A. 2:10, 2:8
B. 10:2, 8:2
C. 2:8, 2:10
D. 8:2, 10:2
1.3 moles - ANSWER-Moles NaCl to 75 g NaCl in 12 Soln
75 g MW NaCl = 58g/mol
According to chemical properties & classification - ANSWER-Chemicals should be
stored:
Impermeable lab coat with eye/face protection and appropriate disposable gloves -
ANSWER-CHEMLAB Routine PPE
UV, Microwaves - ANSWER-Examples of nonionizing radiation
A. UV, Microwaves
B. gamma, x-rays
C. Alpha, Beta
Analytic Reagent (AR) - ANSWER-Recommended for qualitative and quantitative
analysis/most analytical procedures
Ultrapure - ANSWER-Require pure chemicals
Positive Displacement - ANSWER-Moving the piston in pipet tip or barrel like a
hypodermic syringe. Does not require a different pipette. Disposable piston.
Glass Pipet - ANSWER-Most basic pipet
Tachometer/strobe light - ANSWER-Determines rpm
Monthly - ANSWER-rpm
Horizontal head centrifuge/swinging bucket - ANSWER-Tubes are in horizontal position
when rotating and vertical at rest. For serun separator tubes
, Fix/Angle-head centrifuge - ANSWER-Tubes at fixed 25-40o angle when rotating.
RAPID CENTRIFUGATION
Ultra centrifuge - ANSWER-High-speed. Capable of 100,000 rpm. LIPOPROTEIN -
ENDOPLASM
Cytocentrifuge - ANSWER-Monolayer of cells
Dry reagents - ANSWER-Reconstituted with buffer or reagent grade water
UV - ANSWER-<400 nm very short wavelengths
Infrared - ANSWER->700 very long wavelenghths
400-700nm Wavelength - ANSWER-Visible light
Beer's Law - ANSWER-The concentration of a substance is DIRECTLY proportional to
the amount of light absorbed or INVERSELY proportional to transmitted light.
Double-beam in space - ANSWER-2 photodetectors (sample beam and reference
beam)
Double beam in time - ANSWER-1 photodetector and a chopper/rotating sector mirror
ALP - ANSWER-Increased at 4C
slurry of crushed ice and water - ANSWER-storage of Ammonia
electrolyte panel - ANSWER-sodium, potassium, chloride, CO2 - Routine for anion gap
4 to 6C - ANSWER-Serum or plasma storage if delayed for longer than 4 hrs
lactescent - ANSWER-400 mg/dL TAG
Turbid/hazy - ANSWER-300 mg/dL TAG
Clear - ANSWER-200 mg/dL TAG
Nitroprusside test - ANSWER-10x more sensitive to acetoacetate than to acetone
Acetest Tablets - ANSWER-Detects acetoacetate and acetone (lesser degree)
a1-antitrypsin deficiency - ANSWER-Emphysematous pulmonary
Juvenille Hepatix Cirrhosis
A1-fetoprotein (AFP) - ANSWER-Decreased in Trisomy 21 (Down's)
Trisomy 18 (Edward's)
CORRECT ANSWERS
2:10, 2:8 - ANSWER-Dilution and ratio of 2mL soln to 8 mL solvent
A. 2:10, 2:8
B. 10:2, 8:2
C. 2:8, 2:10
D. 8:2, 10:2
1.3 moles - ANSWER-Moles NaCl to 75 g NaCl in 12 Soln
75 g MW NaCl = 58g/mol
According to chemical properties & classification - ANSWER-Chemicals should be
stored:
Impermeable lab coat with eye/face protection and appropriate disposable gloves -
ANSWER-CHEMLAB Routine PPE
UV, Microwaves - ANSWER-Examples of nonionizing radiation
A. UV, Microwaves
B. gamma, x-rays
C. Alpha, Beta
Analytic Reagent (AR) - ANSWER-Recommended for qualitative and quantitative
analysis/most analytical procedures
Ultrapure - ANSWER-Require pure chemicals
Positive Displacement - ANSWER-Moving the piston in pipet tip or barrel like a
hypodermic syringe. Does not require a different pipette. Disposable piston.
Glass Pipet - ANSWER-Most basic pipet
Tachometer/strobe light - ANSWER-Determines rpm
Monthly - ANSWER-rpm
Horizontal head centrifuge/swinging bucket - ANSWER-Tubes are in horizontal position
when rotating and vertical at rest. For serun separator tubes
, Fix/Angle-head centrifuge - ANSWER-Tubes at fixed 25-40o angle when rotating.
RAPID CENTRIFUGATION
Ultra centrifuge - ANSWER-High-speed. Capable of 100,000 rpm. LIPOPROTEIN -
ENDOPLASM
Cytocentrifuge - ANSWER-Monolayer of cells
Dry reagents - ANSWER-Reconstituted with buffer or reagent grade water
UV - ANSWER-<400 nm very short wavelengths
Infrared - ANSWER->700 very long wavelenghths
400-700nm Wavelength - ANSWER-Visible light
Beer's Law - ANSWER-The concentration of a substance is DIRECTLY proportional to
the amount of light absorbed or INVERSELY proportional to transmitted light.
Double-beam in space - ANSWER-2 photodetectors (sample beam and reference
beam)
Double beam in time - ANSWER-1 photodetector and a chopper/rotating sector mirror
ALP - ANSWER-Increased at 4C
slurry of crushed ice and water - ANSWER-storage of Ammonia
electrolyte panel - ANSWER-sodium, potassium, chloride, CO2 - Routine for anion gap
4 to 6C - ANSWER-Serum or plasma storage if delayed for longer than 4 hrs
lactescent - ANSWER-400 mg/dL TAG
Turbid/hazy - ANSWER-300 mg/dL TAG
Clear - ANSWER-200 mg/dL TAG
Nitroprusside test - ANSWER-10x more sensitive to acetoacetate than to acetone
Acetest Tablets - ANSWER-Detects acetoacetate and acetone (lesser degree)
a1-antitrypsin deficiency - ANSWER-Emphysematous pulmonary
Juvenille Hepatix Cirrhosis
A1-fetoprotein (AFP) - ANSWER-Decreased in Trisomy 21 (Down's)
Trisomy 18 (Edward's)
