Chapter 6
The microscope that provides detailed, three-dimensional images of the specimen by reflecting light off the surface of the specimen is the:
a. stereo microscope. b. compound light microscope. c. SEM. d. TEM.
a. stereo microscope.
. Which of the following terms is NOT a classification of patient care items?
a. critical b. hypercritical c. noncritical d. semi-critical
b. hypercritical
Operating room doors should be kept closed to:
a. preserve negative air pressure.
b. preserve positive air pressure. c. reduce air turbulence. d. regulate temperature.
b. preserve positive air pressure.
A fixed white board in the OR is used to record which of the following types of information? a. vital signs b. surgical counts c. X-ray films d. patient position
b. surgical counts
c. 20–25 with 20% fresh outside air
The part of the microscope that allows the viewer to select an objective lenses power is the:
a. diopter adjustment. b. objective lens. c. eyepiece. d. illuminator.
b. objective lens.
When nested basin sets are being sterilized, they should be placed in the steam sterilizer:
a. fold side down with a towel used to separate them. b. fold side down with tape holding them together securely. c. facing upright with a towel used to separate them. d. facing upright with tape holding them together securely.
c. facing upright with a towel used to separate them.
The emergency shut-off valve for the supply of oxygen into an operating room is designated by which of the following colors?
a. black b. blue c. green d. red
c. green
. Robert Koch was able to prove the germ theory by colonizing the bacteria that caused:
a. gas gangrene. b. tetanus. c. anthrax. d. botulism.
c. anthrax.
Which of the following scientists created a microscope?
a. Ferdinand J. Cohn b. Louis Pasteur c. Anton van Leeuwenhoek d. Robert Koch
c. Anton van Leeuwenhoek
Stage controls:
a. adjust the location or height of the stage. b. secure the slide in place. c. adjust the opening in the stage. d. connect the base to the head.
a. adjust the location or height of the stage
. Which of the following terms is used for inanimate objects that harbor microorganisms that contribute to environmental contamination?
a. flora b. fomites c. vectors d. viruses
b. fomites
Where is the articulating arm of the surgical boom mounted?
a. ceiling b. door c. floor d. wall
a. ceiling
Which of the following substances would be appropriate for soaking instruments covered with bioburden during a surgical procedure?
a. isopropyl alcohol b. peracetic acid c. sterile saline d. sterile water
c. sterile saline
Which of the following types of procedures would require an operating table fluid drain pan attachment? a. cardiac catheterization b. coronary artery bypass c. craniotomy d. cystoscopy
d. cystoscopy
Which of the following staining methods is used to determine the basic shape and structures of the cell and is applied with a single dye?
a. differential staining b. Gram staining c. acid-fast staining d. simple staining
d. simple staining
The physical or chemical process by which all living microorganisms, including spores, are killed is:
a. decontamination. b. disinfection. c. sanitization. d. sterilization.
d. sterilization.
Which of the following statements is true regarding surgical lights?
a. They provide a limited range of intensity. b. They move freely in the horizontal and vertical planes. c. They have a dark central focal point. d. They are hard to focus.
b. They move freely in the horizontal and vertical planes.
a. acid-fast staining
Which of the following terms is the common name for the high-level disinfectant sodium hypochlorite?
a. ammonia b. bleach c. peroxide d. vinegar
b. bleach
. What color do Gram-positive bacteria retain after Gram staining?
. What color do Gram-positive bacteria retain after Gram staining? a. purple b. red c. blue d. no color changes b. red c. blue d. no color changes
a. purple
Why are large steam sterilizers loaded with space between wrapped items or trays?
a. It ensures that the carts are not over-weighted. b. It makes it easier to unload when the cycle is complete. c. It allows adequate circulation and penetration of steam to all surfaces. d. It allows for air to remain inside the packages to facilitate steam penetration.
c. It allows adequate circulation and penetration of steam to all surfaces.
. Which of the following pieces of OR furniture is usually the closest to the operative site?
a. back table b. kick bucket c. Mayo stand d. ring stand
c. Mayo stand
. Which of the following types of chemical solutions is made of catalysts that aid in breaking down proteinaceous debris such as blood and fat?
a. antiseptic b. disinfectant c. emulsifier d. enzymatic
d. enzymatic
The Wilson frame is used for positioning a patient in which of the following surgical positions?
a. lateral kidney b. lithotomy c. prone d. sitting
c. prone