Introduction to the Operating Room
LESSON 3: Safety in the Operating Room
Exercises: Lesson 3
EXERCISES, LESSON 3
INSTRUCTIONS. Answer the following exercises marking the lettered response that best answers the question or best completes the incomplete statement, or by writing the answer in the space provided.
After you have completed all of 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.
1. An explosion may result when which of the following combinations of agents is
present?
a. Ether, vinethene, and ethyl chloride.
b. Oxygen, ether, and nitrous oxide.
c. Vinyl ether, electrostatic spark, and oxygen.
d. Flame, tincture of merthiolate, and electrostatic spark.
2. A room for the storage of combustible anesthetic agents is a (an):
a. Induction room.
b. Hazardous location.
c. Anesthetizing location.
d. Individual OR.
3. As the first step in the preparation of an oxygen cylinder for use, the specialist
opens the cylinder valve. In order to observe safe procedure, how much should
the specialist open the valve?
a. Fully.
b. 3/4 full.
c. 1/2 full.
d. Less than any of the above.
4. Which of the following is an appropriate way to operate a soda and acid fire
extinguisher?
a. Open the valve and direct the horn.
b. Turn upside down and direct the nozzle.
c. Pump and direct the nozzle.
d. Open the valve and direct the nozzle.
5. The patient's ward number on the operating room schedule looks like this: a 16B
(circled). What does this marking indicate to team members assigned for the
operation about the patient?
a. That is the patient is in the OR.
b. That the patient has been taken from the OR.
c. That the patient will not require surgery on that particular day.
d. That the patient is in the process of being delivered to the operating room.
6. Upon arriving at the surgical suite with a patient you have transported, which of
the following persons should you report to?
a. The OR supervisor.
b. The surgeon.
c. The scrub specialist.
d. The circulating specialist.
7. You have arrived in the OR with the patient and have reported to the appropriate
person. How should you mark the patient's nursing unit number on the OR
Schedule?
a. 17A circled with one / over the circle.
b. 17A circled with an X over the circle.
c. 17A circled only
d. 17A circled with an X over the circle plus a vertical line over the X.
8. Why should the coverings over a patient be loosened before the litter is wheeled
inside the OR?
a. To avoid having the patient become too warm.
b. To lessen airborne contaminants within the OR.
c. To allow the patient some freedom to move about on the litter.
d. To facilitate transferring the patient to the operating table.
9. What is the minimum number of times for reading a drug label?
a. One.
b. Two.
c. Three.
d. Four.
10. An infant is to receive oxygen in an incubator during transit to the operating room.
What should you do before starting to wheel the infant?
a. Turn the oxygen up to the maximum setting.
b. Check the liter flow gauge.
c. Adjust the liter flow gauge to 4 liters more than was being given.
d. Adjust the liter flow gauge to 4 liters less than was being given.
11. After withdrawing a drug into a syringe and removing the syringe from the vial, you
see that you have withdrawn more drug than was ordered. What should you do?
a. Inject the excess drug into the vial.
b. Administer the drug.
c. Ask the NCOIC what to do.
d. Expel the excess drug from the syringe.
12. What is the absolute limit of storage time in weeks after which cocaine solution
should not be used?
a. Two.
b. Three.
c. Four.
d. Six.
13. What method is used to administer Cocaine?
a. Orally.
b. Injection.
c. Topically.
d. Any of the methods listed above.
14. What solution should specimens be placed in to to test for the presence of
tuberculosis organisms?
a. Ten percent formaldehyde.
b. Absolute alcohol.
c. Ether.
d. Saline.
Check Your Answers on Next Page
