EXERCISES: LESSON 3
INSTRUCTIONS: Answer the following exercises by circling the lettered response that
best answers the question.
After you have answered all of the exercises, turn to "Solutions to Exercises" at the
end of the lesson and check your answers. For each exercise answered incorrectly,
reread the lesson material referenced after the solution.
1. You are isolating a malfunction in the nonadjustable pressure relief valve. Which
of the following statements is correct?
a. Increase the pressure to 500 cc/minute to force the nonadjustable pressure
relief valve to operate.
b. Stretch the compression spring as far as it will go to free a sticking
nonadjustable pressure relief valve.
c.
Gently wiggle the valve inside the pressure relief valve body to free the
pressure relief valve from sticking.
d. Place a small screwdriver through one of the pressure relief valve vent holes
and carefully attempt to un-stick the valve.
2. You are isolating a breathing circuit pressure gauge malfunction. Which of the
following statements is correct?
a. If the breathing circuit pressure gauge will not adjust to +/-10 mm Hg, you must
replace or repair it.
b. If the breathing circuit pressure gauge operates only when the apparatus is
upright, you must replace or repair it.
c.
If the breathing circuit pressure gauge will not adjust to zero +/-1 mm Hg, you
must replace or repair it.
d. If the breathing circuit pressure gauge requires adjusting to zero, you must
replace the gauge.
MD0353
3-12