wk 1 review

Question 1

This type of lamp is used in visible and infrared regions and is the most common type:
- mercury vapor
- hydrogen
-deuterium
- tungsten

Answer 1

tungsten

Question 2

visible light falls between ____ at 400 nm and _____ at 700 nm
- red, voilet
- green, red
- violet, red
- violet, orange

Answer 2

violet, red

Question 3

True or False
Percent transmittance is the ratio of the radiant energy transmitted, divided by the radiant energy incident on the sample.

Answer 3

true

Question 4

what is the order of light conversion (absorbance, volts, electrons, amps)

Answer 4

electrons, amps, volts, absorbance

Question 5

Which is not true of amino acid analysis?
- collect samples in a heparin tube
- blood samples should be drawn after a 2-3 hr fast
- analysis should be performed immediately or sample frozen
- plasma should be removed carefully to avoid platelets and WBC

Answer 5

blood samples should be drawn after 2-3 hr fast

Question 6

True or False
When proteins have a more positive charge they are more easily dissolved.

Answer 6

true

Question 7

Which protein has a function to maintain oncotic pressure?
- albumin
- prealbumin
- alpha -1- antytrypsin
- alpha -2- macroglobulin

Answer 7

albumin