BIOD 171 MODULE 5 ESSENTIAL
MICROBIOLOGY FINAL PAPER QUESTIONS
ANSWERS COMPLETE SOLUTION VIEW
AHEAD SUCCESS STRATEGY
●● The ability to cause disease
Answer: pathogenicity
●● Ease of a pathogen to infect and cause disease
Answer: virulence
●● the 5 steps of infection
Answer: 1. enter the host
2. adhere to host tissues
3. invade tissues and get nutrients
4. replicate and avoid immune system
5. transmit to a new host
●● what is the typical portal of entry for pathogens
Answer: mucous membranes
,●● antigen mimicry, masking, and variation are examples of ways
pathogens do what?
Answer: evade the immune system
●● decreasing the immune function and avoiding phagocytosis are the
ways pathogens do what?
Answer: undermind immune system
●● what are the ways pathogens spread through direct contact
Answer: person to person, environment, animal, mother to child
●● what are the ways pathogens spread through indirect contact
Answer: respiratory aerosoles, vehicle, vector
●● the three type of precautions
Answer: contact, droplet, and airborn
●● what are pathogens that have the ability to lyse RBCs
Answer: landsfield group
●● shape of streptococcus
Answer: chain of cocci
, ●● streptococcus gram status
Answer: positive
●● streptococcus motility
Answer: non-motile
●● streptococcus catalase
Answer: negative
●● streptococcus lysis abilities
Answer: alpha, beta, and gamma
●● Streptococcus virulence
Answer: M protein and hyaluronic acid capsule
●● what is the membrane protein that can disrupt the body's innate
immune response
Answer: M protein
●● what does the hyaluronic acid capsule do
Answer: hides bacteria from immune cells and increases adhesion
MICROBIOLOGY FINAL PAPER QUESTIONS
ANSWERS COMPLETE SOLUTION VIEW
AHEAD SUCCESS STRATEGY
●● The ability to cause disease
Answer: pathogenicity
●● Ease of a pathogen to infect and cause disease
Answer: virulence
●● the 5 steps of infection
Answer: 1. enter the host
2. adhere to host tissues
3. invade tissues and get nutrients
4. replicate and avoid immune system
5. transmit to a new host
●● what is the typical portal of entry for pathogens
Answer: mucous membranes
,●● antigen mimicry, masking, and variation are examples of ways
pathogens do what?
Answer: evade the immune system
●● decreasing the immune function and avoiding phagocytosis are the
ways pathogens do what?
Answer: undermind immune system
●● what are the ways pathogens spread through direct contact
Answer: person to person, environment, animal, mother to child
●● what are the ways pathogens spread through indirect contact
Answer: respiratory aerosoles, vehicle, vector
●● the three type of precautions
Answer: contact, droplet, and airborn
●● what are pathogens that have the ability to lyse RBCs
Answer: landsfield group
●● shape of streptococcus
Answer: chain of cocci
, ●● streptococcus gram status
Answer: positive
●● streptococcus motility
Answer: non-motile
●● streptococcus catalase
Answer: negative
●● streptococcus lysis abilities
Answer: alpha, beta, and gamma
●● Streptococcus virulence
Answer: M protein and hyaluronic acid capsule
●● what is the membrane protein that can disrupt the body's innate
immune response
Answer: M protein
●● what does the hyaluronic acid capsule do
Answer: hides bacteria from immune cells and increases adhesion
