Bacteriology Final Exam Notes correctly
solved
A female who is RH+ - correct answer ✔✔Is in the majority of the population with regard to Rh status
Secondary (acquired) immunodeficiency is - correct answer ✔✔AIDS
Which of the following is incorrect about the role of mast cells and basophils in allergies? - correct
answer ✔✔They are found mainly in the lymph nodes
Which process involves antibodies coating microorganisms in order to facilitate phagocytosis? - correct
answer ✔✔Opsonization
All of the following are involved in type 2 hypersensitivity, except - correct answer ✔✔IgE
Which is mismatched? - correct answer ✔✔hay fever - Type 4 hypersensitivity
Scarlet fever is caused by strains of - correct answer ✔✔Streptococcus pyogenes
Jose needs a kidney due to his diabetes. His sister is a close match and is willing to give him one of hers.
What type of transplant is this? - correct answer ✔✔Allograft
Which of the following nonspecific mediators inhibits virus replication and cellular division while
increasing some lymphocyte action? - correct answer ✔✔IFN
Allergic reactions to penicillin are an example of a - correct answer ✔✔Type 1 hypersensitivity
,Post-exposure prophylaxis for rabies includes shots of HRIG and rabies vaccine. The HRIG provides
_______ whereas the vaccine promotes the development of _______. - correct answer ✔✔artificial
passive immunity; artificial active immunity
The majority of categories of hypersensitivities that typically involve a B-cell immunoglobulin response
is/are? - correct answer ✔✔Type 1, Type 2, Type 3
Transfusion of the wrong blood type can cause. - correct answer ✔✔All of the choices are correct.
An 8-month old infant has been brought to the ER with a high fever. Her parents
indicate that she has not been eating or drinking well and has been very irritable until
the last few hours during which she has been only minimally responsive. Suspecting
meningitis, a spinal tap is done and the CSF sample is sent to the lab for analysis. The
white blood cell count on the sample is profoundly elevated, the protein content is
elevated, and the glucose level is depressed. The Gram stained smear shows gram-
positive cocci in pairs. Cultures are done and after overnight incubation, alpha
hemolytic colonies are observed on the blood plate. These colonies contain gram-
positive cocci, which are catalase negative. An optochin susceptibility test is done and
there is a large zone of inhibition around the disk. What is the identification of this
isolate? - correct answer ✔✔Streptococcus pneumoniae
Staphylococci can be differentiated from streptococci by the - correct answer ✔✔Catalase test
Which organism is associated with commonly caused UTI infections in sexually active young adult and
adolescent females? - correct answer ✔✔Staphylococcus saprophyticus
Meningicoccemia is - correct answer ✔✔Associated with vascular hemorrhage and petechiae
Which of the following is most directly responsible for cell lysis in type 2 hypersensitivity reactions? -
correct answer ✔✔complement activation
, An example of artificial active immunity would be - correct answer ✔✔chickenpox vaccine triggers
extended immunity to chickenpox.
The clearance of pus, cellular debris, dead neutrophils, and damaged tissue after inflammation is
performed by - correct answer ✔✔macrophages
Streptococcus pyogenes causes all the following, except - correct answer ✔✔scalded skin syndrome
Which event releases the chemical mediators - correct answer ✔✔degranulation
Specificity and memory are associated with which body defense mechanism - correct answer ✔✔T-cell
and B cell responses
The instillation of antibiotics in newborns eye will prevent ophthalmia neonatorum in newborns. This
disease is caused by - correct answer ✔✔Neisseria gonorrhoeae
Nonspecific chemical defenses include - correct answer ✔✔All of the choices are correct.
The process by which antibodies block interactions between pathogens or their products and host cells is
termed - correct answer ✔✔neutralization
A pregnant women is told she has a positive CAMP test and should be treated with a course of
antibiotics. This test is indicative of - correct answer ✔✔Group B streptococci
Toxoids - correct answer ✔✔contain modified bacterial exotoxin molecules.
The initial encounter with an allergen is called - correct answer ✔✔sensitizing dose
An example of artificial passive immunity would be - correct answer ✔✔giving a person immune serum
globulins to chickenpox virus after exposure to the disease
solved
A female who is RH+ - correct answer ✔✔Is in the majority of the population with regard to Rh status
Secondary (acquired) immunodeficiency is - correct answer ✔✔AIDS
Which of the following is incorrect about the role of mast cells and basophils in allergies? - correct
answer ✔✔They are found mainly in the lymph nodes
Which process involves antibodies coating microorganisms in order to facilitate phagocytosis? - correct
answer ✔✔Opsonization
All of the following are involved in type 2 hypersensitivity, except - correct answer ✔✔IgE
Which is mismatched? - correct answer ✔✔hay fever - Type 4 hypersensitivity
Scarlet fever is caused by strains of - correct answer ✔✔Streptococcus pyogenes
Jose needs a kidney due to his diabetes. His sister is a close match and is willing to give him one of hers.
What type of transplant is this? - correct answer ✔✔Allograft
Which of the following nonspecific mediators inhibits virus replication and cellular division while
increasing some lymphocyte action? - correct answer ✔✔IFN
Allergic reactions to penicillin are an example of a - correct answer ✔✔Type 1 hypersensitivity
,Post-exposure prophylaxis for rabies includes shots of HRIG and rabies vaccine. The HRIG provides
_______ whereas the vaccine promotes the development of _______. - correct answer ✔✔artificial
passive immunity; artificial active immunity
The majority of categories of hypersensitivities that typically involve a B-cell immunoglobulin response
is/are? - correct answer ✔✔Type 1, Type 2, Type 3
Transfusion of the wrong blood type can cause. - correct answer ✔✔All of the choices are correct.
An 8-month old infant has been brought to the ER with a high fever. Her parents
indicate that she has not been eating or drinking well and has been very irritable until
the last few hours during which she has been only minimally responsive. Suspecting
meningitis, a spinal tap is done and the CSF sample is sent to the lab for analysis. The
white blood cell count on the sample is profoundly elevated, the protein content is
elevated, and the glucose level is depressed. The Gram stained smear shows gram-
positive cocci in pairs. Cultures are done and after overnight incubation, alpha
hemolytic colonies are observed on the blood plate. These colonies contain gram-
positive cocci, which are catalase negative. An optochin susceptibility test is done and
there is a large zone of inhibition around the disk. What is the identification of this
isolate? - correct answer ✔✔Streptococcus pneumoniae
Staphylococci can be differentiated from streptococci by the - correct answer ✔✔Catalase test
Which organism is associated with commonly caused UTI infections in sexually active young adult and
adolescent females? - correct answer ✔✔Staphylococcus saprophyticus
Meningicoccemia is - correct answer ✔✔Associated with vascular hemorrhage and petechiae
Which of the following is most directly responsible for cell lysis in type 2 hypersensitivity reactions? -
correct answer ✔✔complement activation
, An example of artificial active immunity would be - correct answer ✔✔chickenpox vaccine triggers
extended immunity to chickenpox.
The clearance of pus, cellular debris, dead neutrophils, and damaged tissue after inflammation is
performed by - correct answer ✔✔macrophages
Streptococcus pyogenes causes all the following, except - correct answer ✔✔scalded skin syndrome
Which event releases the chemical mediators - correct answer ✔✔degranulation
Specificity and memory are associated with which body defense mechanism - correct answer ✔✔T-cell
and B cell responses
The instillation of antibiotics in newborns eye will prevent ophthalmia neonatorum in newborns. This
disease is caused by - correct answer ✔✔Neisseria gonorrhoeae
Nonspecific chemical defenses include - correct answer ✔✔All of the choices are correct.
The process by which antibodies block interactions between pathogens or their products and host cells is
termed - correct answer ✔✔neutralization
A pregnant women is told she has a positive CAMP test and should be treated with a course of
antibiotics. This test is indicative of - correct answer ✔✔Group B streptococci
Toxoids - correct answer ✔✔contain modified bacterial exotoxin molecules.
The initial encounter with an allergen is called - correct answer ✔✔sensitizing dose
An example of artificial passive immunity would be - correct answer ✔✔giving a person immune serum
globulins to chickenpox virus after exposure to the disease
