MICROBIOLOGY AND PARASITOLOGY
QUESTIONS WITH CORRECT ANSWERS
ALREADY GRADED A+ PASS
, When was the term microbiology first used - CORRECT ANSWERS-1860s
What four areas of study are encompassed by clinical microbiology - CORRECT
ANSWERS-Viruses, fungi, bacteria, and parasites
What is the difference between a pathogen and an opportunistic pathogen - CORRECT
ANSWERS-Pathogen: a bacteria capable of causing a disease
Opportunistic pathogen: microorganisms that invade the body and cause illness only
when the body's immune defense are impaired or absent
How do bacterial pathogens cause host damage - CORRECT ANSWERS-The damage
is caused by bacterial growth in tissues or y the toxins bacteria produce
What are the morphological types of bacteria - CORRECT ANSWERS-Coccus, bacillus,
and spirochete
What are the morphological forms of fungi - CORRECT ANSWERS-Molds and yeast
What is a gram stain? - CORRECT ANSWERS-A test that uses a series of stains to
differentiate the composition of their cell walls
Gram positive- violet (retain the crystal violet stain)
Gram negative- pink (lose the crystal violet and retain the safranin)
What is the difference between aerobic and anaerobic bacteria - CORRECT
ANSWERS-Aerobic bacteria grow in the presence of oxygen
Anaerobic bacteria grow in the absence or decreased levels of oxygen
How are viruses different from microorganisms? Name 3 viral diseases - CORRECT
ANSWERS-Viruses are not living cells, and can only replicate by invading a cell, viruses
can only contain either a DNA or RNA not both
Epstein-Barr virus (mono), rubella, rhinoviruses
What type of specimen is used to detect malaria and giardia - CORRECT ANSWERS-
Malaria requires blood specimen
Giardia requires fecal specimen
QUESTIONS WITH CORRECT ANSWERS
ALREADY GRADED A+ PASS
, When was the term microbiology first used - CORRECT ANSWERS-1860s
What four areas of study are encompassed by clinical microbiology - CORRECT
ANSWERS-Viruses, fungi, bacteria, and parasites
What is the difference between a pathogen and an opportunistic pathogen - CORRECT
ANSWERS-Pathogen: a bacteria capable of causing a disease
Opportunistic pathogen: microorganisms that invade the body and cause illness only
when the body's immune defense are impaired or absent
How do bacterial pathogens cause host damage - CORRECT ANSWERS-The damage
is caused by bacterial growth in tissues or y the toxins bacteria produce
What are the morphological types of bacteria - CORRECT ANSWERS-Coccus, bacillus,
and spirochete
What are the morphological forms of fungi - CORRECT ANSWERS-Molds and yeast
What is a gram stain? - CORRECT ANSWERS-A test that uses a series of stains to
differentiate the composition of their cell walls
Gram positive- violet (retain the crystal violet stain)
Gram negative- pink (lose the crystal violet and retain the safranin)
What is the difference between aerobic and anaerobic bacteria - CORRECT
ANSWERS-Aerobic bacteria grow in the presence of oxygen
Anaerobic bacteria grow in the absence or decreased levels of oxygen
How are viruses different from microorganisms? Name 3 viral diseases - CORRECT
ANSWERS-Viruses are not living cells, and can only replicate by invading a cell, viruses
can only contain either a DNA or RNA not both
Epstein-Barr virus (mono), rubella, rhinoviruses
What type of specimen is used to detect malaria and giardia - CORRECT ANSWERS-
Malaria requires blood specimen
Giardia requires fecal specimen