GTC Microbiology Final Review UPDATED Exam Questions and CORRECT Answers
9 views 0 purchase
Course
GTC Microbiology
Institution
GTC Microbiology
GTC Microbiology Final Review
UPDATED Exam Questions and
CORRECT Answers
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...
GTC Microbiology Final Review
UPDATED Exam Questions and
CORRECT Answers
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 mouth" is caused by an
overgrowth of Candida albicans- a yeast. It causes creamy white lesions, usually on your
tongue or inner cheeks.
Name the common cause of dental caries: - Correct Answer- Strep. mutans
Name the cause of "cold sores": - Correct Answer- HSV1
Is that eveloped or non enveloped virus? - Correct Answer- enveloped
Name the disease that has parotid swelling as a sign: - Correct Answer- Mumps
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller MGRADES. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
