Week 2-1

A  ultraminiature technology

B  communication within biofilms

C  methods of disease transmission

D  reducing antimicrobial resistance

A  Redi

B  Pasteur

C  Spallanzani

D  Needham

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

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

C  he eliminated air from his flasks by sealing them

D  he did not heat his infusion flasks long enough

A  Lister

B  Semmelweis

C  Nightingale

D  Jenner

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

B  they are microscopic as adults

C  they were not studied by early microbiologists

D  they usually contain bacteria and other microbes

A  bacterium

B  parasitic worm

C  fungus

D  protozoan

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

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 developed the vaccine for smallpox.

A  protozoa

B  archaea

C  viruses

D  bacteria

A  grouping organisms

B  nomenclature

C  staining microorganisms

D  identification

A  are the most effective way to determine bacterial shape

B  are used to determine rate of growth

C  are visualized using microscopes

D  are the main methods used to identify unknown bacteria

A  They only relate to biochemical processes of the cell.

B  They are open-ended questions.

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

D  They only relate to the shape of the cell.

A  Identification is only needed in clinical specimens.

B  Many unrelated bacteria can share the same shape.

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

D  Bacteria have a limited set of shapes.

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

A  The drop in pH turns the indicator dye yellow.

B  The cells form a black precipitant.

C  The acetoin produced turns the medium pink.

D  The medium become turbid when exposed to air.

A  the flagella stain       

B  the Gram stain        

C  the acid-fast stain        

D  the capsule stain        

A  the Gram stain

B  the flagella stain

C  the acid-fast stain

D  the endospore stain

A  mordant

B  smear

C  biofilm

D  stain

A  bright-field microscope

B  transmission electron microscope

C  scanning tunneling microscope

D  fluorescent microscope

A  4000×

B  50×

C  400×

D  40×

A  a phase-contrast microscope

B  a dark-field microscope

C  a bright-field microscope

D  a transmission electron microscope

A  a millimeter

B  a centimeter

C  a nanometer

D  a micrometer