Quiz wk 1

Question 1

Visible light falls between the color ______ at 400 nm and _____ at 700 nm.

red, violet
green, red
violet, red
violet, orange

Answer 1

violet, red

Question 2

This type of lamp is used in visible and infrared regions and is the most common type:

Mercury vapor
Hydrogen
Deuterium
Tungsten

Answer 2

Tungsten

Question 3

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

True
False

Answer 3

True

Question 4

Place in the correct order. Light gets converted to:

amps
absorbance
volts
electrons

Answer 4

electrons
amps
volts
absorbance

Question 5

Which is not true of amino acid analysis?

Collect sample in a heparin tube
Blood samples should be drawn after a 2-3 hour fast
Analysis should be performed immediately or sample frozen
Plasma should be removed carefully to avoid platelets and white blood cells

Answer 5

Blood samples should be drawn after a 2-3 hour fast

Question 6

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

True
False

Answer 6

True

Question 7

Which protein has a function to maintain oncotic pressure?

Albumin
Prealbumin
Alpha-1 antitrypsin
Alpha-2 macroglobulin

Answer 7

Albumin

Question 8

In cerebral spinal fluid, ______% of protein comes from plasma, while ______% comes from the brain.

80%, 20%
90%, 10%
5%, 95%
95%, 5%

Answer 8

95%, 5%