CSMLS EXAM PRACTICE QUESTIONS WITH VERIFIED ANSWERS.

CSMLS EXAM PRACTICE QUESTIONS WITH
VERIFIED ANSWERS

, CSMLS EXAM PRACTICE QUESTIONS WITH VERIFIED
ANSWERS

Which of these factors DO NOT influence the rate of an enzyme reaction?

Select one:

a. enzyme concentration

b. substrate concentration

c. cofactors

d. nomenclature -- Correct Answer ✔✔ d



Which statement regarding serum urea is correct?

Select one:

a. is elevated in prerenal and renal failure

b. it is not reabsorbed by the renal tubules

c. high levels can result from necrotic liver disease

d. levels are independent of diet -- Correct Answer ✔✔ a



Which of the following dyes is the most specific for the measurement of albumin?

Select one:

a. tetrabromosulfophthalein

b. bromcresol green

c. bromcresol purple

,d. tetrabromphenol blue -- Correct Answer ✔✔ c



Which of the following lipid results would be expected to be falsely elevated on a serum
specimen from a non-fasting patient?

Select one:

a. Cholesterol

b. HDL

c. LDL

d. Triglyceride -- Correct Answer ✔✔ d



Which is the detector of choice for nephelometers?

Select one:

a. diode array

b. photomultiplier tube

c. gas photodiode

d. LED -- Correct Answer ✔✔ b



Which statement regarding turbidimetry is NOT correct?

Select one:

a. light scattered by solutes in the solution at 180° from the incident light is measured by
a photon detector

b. the measurement of light is made at right angles to the incident light

c. scattered light is directly proportional to the number of particles in solution

, d. measures the amount of incident light blocked by particles -- Correct Answer ✔✔ b



What is the effect on the colligative properties when you increase the number of
particles in the solution?

Select one:

a. Increases the boiling point, increases the freezing point

b. Increases the boiling point, increases the vapor pressure

c. Decreases the boiling point, increases the freezing point,

d. Decreases the freezing point, decreases the vapor pressure -- Correct Answer ✔✔ d

- increase boiling point

- decrease freezing point

- decrease vapor pressure

- increase osmotic pressure



What is the definition of retention factor (Rf) in thin layer chromatography?

Select one:

a. Ratio of distance moved by the unknown solute to distance moved by the solvent in
the mobile phase

b. Rate of movement of the mobile phase through adsorbant compared with standards
and controls

c. Measurement in centimeters of the distance the solute moved in the mobile phase
from the point of application

d. Distance moved by the mobile phase front from the point of application compared
with a control -- Correct Answer ✔✔ a