Chapter 11 Multiple Choice Questions Flashcards
A microbicidal agent does what?
a. kills spores b. inhibits microorganisms c. is ineffective against viruses d. destroys microbes
d. destroys microbes
Microbial control methods that kill ____ are able to sterilize.
a. viruses b. the tubercle bacillus c. endospores d. cysts
c. endospores
Any process that destroys the non-spore-forming contaminants on inanimate objects is:
a. antisepsis b. disinfection c. sterilization d. degermation
b. disinfection
Sanitation is a process by which:
a. the microbial load on objects is reduced b. objects are made sterile with chemicals c. utensils are scrubbed d. skin is debrided
a. the microbial load on objects is reduced
An example of an agent that lowers the surface tension of cells is:
a. phenol b. chlorine c. alcohol d. formalin
c. alcohol
High temperatures ___ and low temperatures ____
a. sterilize, disinfect b. kill cells, inhibit cell growth c. denature proteins, burst cells d. speed up metabolism, slow down metabolism
b. kill cells, inhibit cell growth
The temperature-pressure combination for an autoclave is:
a. 100 degrees C and 4 psi b. 121 degrees C and 15 psi c. 131 degrees C and 9 psi d. 115 degrees C and 3 psi
b. 121 degrees C and 15 psi
Microbes that are the targets of pasteurization:
a. Clostridium botulinum b. Mycobacterium species c. Salmonella species d. both b and c
d. both b and c
Ionizing radiation removes ___ from atoms.
a. protons b. waves c. electrons d. ions
c. electrons
The primary ode of action of nonionizing radiation is to:
a. produce superoxide ions b. make pyrimidine dimers c. denature proteins d. break disulfide bonds
b. make pyrimidine dimers
An effective method of sterilizing heat-sensitive liquids is:
a. UV radiation b. exposure to ozone c. beta propiolacteone d. filtration
d. filtration
____ is the iodine antiseptic of choice for wound treatment
a. Eight percent tincture b. Five percent aqueous c. Iodophor d. Potassium iodine solution
c. Iodophor
A chemical with sporicidal properties is:
a. phenol b. alcohol c. quaternary ammonium compound d. glutaraldehyde
d. glutaraldehyde
Silver nitrate is used:
a. in antisepsis of burns b. as a mouthwash c. to treat genital gonorrhea d. to disinfect water
a. in antisepsis of burns
Detergents are:
a. high-level germicides b. low-level germicides c. excellent antiseptics d. used in disinfecting surgical instruments
b. low-level germicides
