Multiple Choice Quiz


1	A microbicidal agent does what?
		A)	kills spores
		B)	inhibits microorganisms
		C)	is ineffective against viruses
		D)	destroys microbes


2	Microbial control methods that kill ______ are able to sterilize.
		A)	viruses
		B)	the tubercle bacillus
		C)	endospores
		D)	cysts


3	Any process that destroys the non-spore-forming contaminants on inanimate objects is
		A)	antisepsis
		B)	disinfection
		C)	sterilization
		D)	degermation


4	Sanitization 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


5	An example of an agent that lowers the surface tension of cells is
		A)	phenol
		B)	chlorine
		C)	alcohol
		D)	formalin


6	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


7	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


8	Microbes that are the targets of pasteurization:
		A)	Clostridium botulinum
		B)	Mycobacterium species
		C)	Salmonella species
		D)	both b and c


9	Ionizing radiation removes ______ from atoms.
		A)	protons
		B)	waves
		C)	electrons
		D)	ions


10	The primary mode of action of nonionizing radiation is to
		A)	produce superoxide ions
		B)	make pyrimidine dimers
		C)	denature proteins
		D)	break disulfide bonds


11	An effective method of sterilizing heat-sensitive liquids is
		A)	UV radiation
		B)	exposure to ozone
		C)	beta propiolactone
		D)	filtration


12	______ is the iodine antiseptic of choice for wound treatment.
		A)	Eight percent tincture
		B)	Five percent aqueous
		C)	Iodophor
		D)	Potassium iodide solution


13	A chemical with sporicidal properties is
		A)	phenol
		B)	alcohol
		C)	quaternary ammonium compound
		D)	glutaraldehyde


14	Silver nitrate is used
		A)	in antisepsis of burns
		B)	as a mouthwash
		C)	to treat genital gonorrhea
		D)	to disinfect water


15	Detergents are
		A)	high-level germicides
		B)	low-level germicides
		C)	excellent antiseptics
		D)	used in disinfecting surgical instruments

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