Week 2-1

A  ultraminiature technology

B  communication within biofilms

C  methods of disease transmission

D  reducing antimicrobial resistance

A  Pasteur

B  Needham

C  Spallanzani

D  Redi

A  he eliminated air from his flasks by sealing them

B  he did not know which bacteria were growing in his flasks

C  he did not give proper credit to Needham for his experiments

D  he did not heat his infusion flasks long enough

A  Nightingale

B  Jenner

C  Semmelweis

D  Lister

A  they usually contain bacteria and other microbes

B  they are microscopic as adults

C  they cause diseases that are diagnosed by finding microscopic eggs in clinical specimens

D  they were not studied by early microbiologists

A  protozoan

B  bacterium

C  parasitic worm

D  fungus

A  He developed the vaccine for smallpox.

B  He did experiments supporting the idea of spontaneous generation.

C  He discovered some of the ways in which microbes can be transmitted between individuals.

D  He was the first to observe live microorganisms through a microscope.

A  protozoa

B  archaea

C  bacteria

D  viruses

A  nomenclature

B  staining microorganisms

C  identification

D  grouping organisms

A  are the most effective way to determine bacterial shape

B  are visualized using microscopes

C  are used to determine rate of growth

D  are the main methods used to identify unknown bacteria

A  They only relate to the shape of the cell.

B  They consist of a series of paired statements, in which only one statement of each pair applies to a given organism.

C  They are open-ended questions.

D  They only relate to biochemical processes of the cell.

A  Identification is only needed in clinical specimens.

B  Many unrelated bacteria can share the same shape.

C  Bacteria have a limited set of shapes and many unrelated bacteria share the same shape.

D  Not all bacteria can be seen with a light microscope.

E  Bacteria have a limited set of shapes.

A  The cells form a black precipitant.

B  The medium become turbid when exposed to air.

C  The acetoin produced turns the medium pink.

D  The drop in pH turns the indicator dye yellow.

A  the capsule stain        

B  the Gram stain        

C  the acid-fast stain        

D  the flagella stain       

A  the endospore stain

B  the Gram stain

C  the flagella stain

D  the acid-fast stain

A  biofilm

B  mordant

C  stain

D  smear

A  bright-field microscope

B  fluorescent microscope

C  scanning tunneling microscope

D  transmission electron microscope

A  50×

B  400×

C  40×

D  4000×

A  a dark-field microscope

B  a phase-contrast microscope

C  a bright-field microscope

D  a transmission electron microscope

A  a micrometer

B  a millimeter

C  a nanometer

D  a centimeter