GTC Microbiology Final Review! |
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What is septicemia? Correct Answer: a systematic disease caused by presence
of pathogenic microorganisms or toxins in the blood
How does it differ from bacteremia? Correct Answer: bacteremia is bacteria in
the blood. Septicemia is the presence of microoganisms in the blood.
What is the cause of endotoxic shock? Correct Answer: the LPS layer of gram
negative bacteria contains endotoxins that are released when large amounts
of gram negative bacteria are killed- thus leading to endotoxic shock.
What is the cause of puerperal fever? Correct Answer: Strep. pyogenes
Explain how rheumatic fever develops? Correct Answer: rheumatic fever is
caused by a Strep. pyogenes infection. It's a sequelae - or aftermath of the
disease.
What type of hypersensitivity is that? Correct Answer: type 3- immunocomplex
Name two types of bacteria that cause acute bacterial endocarditis: Correct
Answer: Staph aureus, Strep pneumonia, viridians streptococcus
What causes cat scratch fever? Correct Answer: Bartonella
Name the signs of cat scratch fever: Correct Answer: lymph node enlargement
in children
,What does it mean that the disease often is "subclinical"? Correct Answer: it
means that there are no apparent symptoms or signs
Name the causative agent in plague: Correct Answer: Yersinia
What is a buboe? Correct Answer: lymph node enlargement
What type of plague has the highest mortality? Correct Answer: pneumonic-
100% mortality within 3 days
How does transmission of plague occur? Correct Answer: bubonic: through flea
bites that were infected by rodents. pneumonic: through human to human
contact
Can the plague be treated? Correct Answer: yes- streptomycin and
tetracycline
Name the bacteria that cause lyme disease: Correct Answer: Borrelia
How is it transmitted? Correct Answer: tick bites
Is a bull's eye rash always seen? Correct Answer: in 80% of the cases
What is the bull's eye rash? Correct Answer: Erythema Migrans-it is not always a
bullseye and is not always the site of the tick bite
Can lyme disease be treated? Correct Answer: yes- penicillins, tetracyclines or
cephalosporins are effective in the first phase. Later phases are difficult to treat.
What are some late manifestations of lyme disease? Correct Answer: lyme
disease can cause arthritis (stage 3) and nervous/cardiovascular system
problems (stage 2)
,How is Rocky Mountain spotted fever transmitted? Correct Answer: through tick
bites
Which bacterium causes RMSF? Correct Answer: Rickettsia
What type of rash is seen in RMSF? Correct Answer: petechiae
What are other symptoms? Correct Answer: headache, vomiting, fever, muscle
pain, nausea, abdominal pain
How serious is RMSF? Correct Answer: it is very serious. It can be fatal if not
treated- it can cause multi-system organ failure.
What is the cause of "mono"? Correct Answer: Epstein Barr virus
Which cells are involved in mono? Correct Answer: B lymphocyte
Characterize the virus that causes this disease: Correct Answer:
dsDNA/enveloped
Why is this called a "persistent" infection? Correct Answer: it's called persistent
because it invades many organs such as the liver, heart and kidneys
How is it transmitted? Correct Answer: through saliva
What is the cause of Burkitt's lymphoma? Correct Answer: Epstein Barr virus
What are the signs? Correct Answer: night sweats, high fever, weight loss, pain,
malaise, diarrhea, and enlarged lymph nodes.
Who is most at risk for CMV infections? Correct Answer: immunocompromised
people
What does CMV stand for? Correct Answer: Cytomegaly virus
, What does it mean that this disease is often "subclinical"? Correct Answer: it
means that there are no signs or symptoms in most people
Name a viral hemorrhagic fever: Correct Answer: Dengue fever, yellow fever or
Ebola fever
Name the agent that causes malaria: Correct Answer: Plasmodium vivax
How is it transmitted? Correct Answer: through a mosquito bite-->liver-->red
blood cell
What types of symptoms and signs are seen? Correct Answer: intervals of high
fever, anemia, fatigue, jaundice
Is there treatment? What is it? Correct Answer: yes- the antiprotozoan drug
chloroquine
What is the concern in infections with Toxoplasma? Correct Answer: it is
teratogenic and can cause birth defects in unborn babies if a pregnant woman
contracts it.
Where do these infections come from? Correct Answer: from cat feces-->soil--
>plants-->animals-->humans (eating meat not fully cooked)
Name all of the teratogenic agents signified by the acronym TORCH: Correct
Answer: Toxoplasma, Rubella, Cytomegaly, Herpes
Name a helminth that causes granulomas to form in mulit-organ systems:
Correct Answer: Schistosoma
How do "trench mouth" and "thrush mouth" differ? Correct Answer: "Trench
mouth" = acute necrotizing gingivitis- the overgrowth of certain bacteria with
bleeding gums, ulceration, fever and pain. It is caused by Strep. mutans. "Thrush
(complete solutions) Exam| ASSURED
SUCCESS |GRADE A+!! |Questions &
Answers 100% Verified 2025 latest
update
What is septicemia? Correct Answer: a systematic disease caused by presence
of pathogenic microorganisms or toxins in the blood
How does it differ from bacteremia? Correct Answer: bacteremia is bacteria in
the blood. Septicemia is the presence of microoganisms in the blood.
What is the cause of endotoxic shock? Correct Answer: the LPS layer of gram
negative bacteria contains endotoxins that are released when large amounts
of gram negative bacteria are killed- thus leading to endotoxic shock.
What is the cause of puerperal fever? Correct Answer: Strep. pyogenes
Explain how rheumatic fever develops? Correct Answer: rheumatic fever is
caused by a Strep. pyogenes infection. It's a sequelae - or aftermath of the
disease.
What type of hypersensitivity is that? Correct Answer: type 3- immunocomplex
Name two types of bacteria that cause acute bacterial endocarditis: Correct
Answer: Staph aureus, Strep pneumonia, viridians streptococcus
What causes cat scratch fever? Correct Answer: Bartonella
Name the signs of cat scratch fever: Correct Answer: lymph node enlargement
in children
,What does it mean that the disease often is "subclinical"? Correct Answer: it
means that there are no apparent symptoms or signs
Name the causative agent in plague: Correct Answer: Yersinia
What is a buboe? Correct Answer: lymph node enlargement
What type of plague has the highest mortality? Correct Answer: pneumonic-
100% mortality within 3 days
How does transmission of plague occur? Correct Answer: bubonic: through flea
bites that were infected by rodents. pneumonic: through human to human
contact
Can the plague be treated? Correct Answer: yes- streptomycin and
tetracycline
Name the bacteria that cause lyme disease: Correct Answer: Borrelia
How is it transmitted? Correct Answer: tick bites
Is a bull's eye rash always seen? Correct Answer: in 80% of the cases
What is the bull's eye rash? Correct Answer: Erythema Migrans-it is not always a
bullseye and is not always the site of the tick bite
Can lyme disease be treated? Correct Answer: yes- penicillins, tetracyclines or
cephalosporins are effective in the first phase. Later phases are difficult to treat.
What are some late manifestations of lyme disease? Correct Answer: lyme
disease can cause arthritis (stage 3) and nervous/cardiovascular system
problems (stage 2)
,How is Rocky Mountain spotted fever transmitted? Correct Answer: through tick
bites
Which bacterium causes RMSF? Correct Answer: Rickettsia
What type of rash is seen in RMSF? Correct Answer: petechiae
What are other symptoms? Correct Answer: headache, vomiting, fever, muscle
pain, nausea, abdominal pain
How serious is RMSF? Correct Answer: it is very serious. It can be fatal if not
treated- it can cause multi-system organ failure.
What is the cause of "mono"? Correct Answer: Epstein Barr virus
Which cells are involved in mono? Correct Answer: B lymphocyte
Characterize the virus that causes this disease: Correct Answer:
dsDNA/enveloped
Why is this called a "persistent" infection? Correct Answer: it's called persistent
because it invades many organs such as the liver, heart and kidneys
How is it transmitted? Correct Answer: through saliva
What is the cause of Burkitt's lymphoma? Correct Answer: Epstein Barr virus
What are the signs? Correct Answer: night sweats, high fever, weight loss, pain,
malaise, diarrhea, and enlarged lymph nodes.
Who is most at risk for CMV infections? Correct Answer: immunocompromised
people
What does CMV stand for? Correct Answer: Cytomegaly virus
, What does it mean that this disease is often "subclinical"? Correct Answer: it
means that there are no signs or symptoms in most people
Name a viral hemorrhagic fever: Correct Answer: Dengue fever, yellow fever or
Ebola fever
Name the agent that causes malaria: Correct Answer: Plasmodium vivax
How is it transmitted? Correct Answer: through a mosquito bite-->liver-->red
blood cell
What types of symptoms and signs are seen? Correct Answer: intervals of high
fever, anemia, fatigue, jaundice
Is there treatment? What is it? Correct Answer: yes- the antiprotozoan drug
chloroquine
What is the concern in infections with Toxoplasma? Correct Answer: it is
teratogenic and can cause birth defects in unborn babies if a pregnant woman
contracts it.
Where do these infections come from? Correct Answer: from cat feces-->soil--
>plants-->animals-->humans (eating meat not fully cooked)
Name all of the teratogenic agents signified by the acronym TORCH: Correct
Answer: Toxoplasma, Rubella, Cytomegaly, Herpes
Name a helminth that causes granulomas to form in mulit-organ systems:
Correct Answer: Schistosoma
How do "trench mouth" and "thrush mouth" differ? Correct Answer: "Trench
mouth" = acute necrotizing gingivitis- the overgrowth of certain bacteria with
bleeding gums, ulceration, fever and pain. It is caused by Strep. mutans. "Thrush