EXERCISES, LESSON 1
INSTRUCTIONS: Answer the following exercises by marking the lettered response that
best answers the question or best completes the statement or by writing the answer in
the space provided.
After you have completed all these exercises, turn to "Solutions to Exercises" at
the end of the lesson and check your answers. For each exercise answered incorrectly,
reread the material referenced with the solution.
Which of the following is a responsibility of the preventive medicine specialist?
a. The health of the command.
b. The operation of wastewater treatment facilities.
c. The collection of wastewater samples for analysis.
d. The conduct of investigations of wastewater treatment facilities.
Which component of wastewater creates a public health hazard?
c. Sand and grit.
d. Inorganic solids.
Normal sanitary wastewater is approximately ___________ percent water.
The organic and mineral matter in wastewater is comprised of about _______
percent filtrable residue and about _________ percent of nonfiltrable residue.
Wastewater which has become stale and odorous because of anaerobic
decomposition is said to be ___________________________________.