Week 2-1

A  methods of disease transmission

B  ultraminiature technology

C  communication within biofilms

D  reducing antimicrobial resistance

A  Needham

B  Pasteur

C  Spallanzani

D  Redi

A  he did not heat his infusion flasks long enough

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

C  he eliminated air from his flasks by sealing them

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

A  Lister

B  Jenner

C  Nightingale

D  Semmelweis

A  they were not studied by early microbiologists

B  they usually contain bacteria and other microbes

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

D  they are microscopic as adults

A  protozoan

B  parasitic worm

C  bacterium

D  fungus

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

B  He did experiments supporting the idea of spontaneous generation.

C  He developed the vaccine for smallpox.

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

A  archaea

B  protozoa

C  bacteria

D  viruses

A  nomenclature

B  grouping organisms

C  identification

D  staining microorganisms

A  are used to determine rate of growth

B  are the most effective way to determine bacterial shape

C  are visualized using microscopes

D  are the main methods used to identify unknown bacteria

A  They only relate to the shape of the cell.

B  They only relate to biochemical processes of the cell.

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

D  They are open-ended questions.

A  Identification is only needed in clinical specimens.

B  Bacteria have a limited set of shapes.

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  Many unrelated bacteria can share the same shape.

A  The acetoin produced turns the medium pink.

B  The medium become turbid when exposed to air.

C  The drop in pH turns the indicator dye yellow.

D  The cells form a black precipitant.

A  the flagella stain       

B  the Gram stain        

C  the capsule stain        

D  the acid-fast stain        

A  the acid-fast stain

B  the flagella stain

C  the endospore stain

D  the Gram stain

A  smear

B  mordant

C  stain

D  biofilm

A  scanning tunneling microscope

B  bright-field microscope

C  transmission electron microscope

D  fluorescent microscope

A  4000×

B  400×

C  40×

D  50×

A  a bright-field microscope

B  a transmission electron microscope

C  a dark-field microscope

D  a phase-contrast microscope

A  a micrometer

B  a nanometer

C  a centimeter

D  a millimeter