Microbiology Exam Questions with 100% Correct Answers Latest
Graded A+
According to the data provided, which organism most easily causes an
Question:
infection? E.coli- 20 Legionella pneumonphila- 1 Shigella- 10 Treponema pallidum- 57
Answer:
Legionella Pneumonphila
Question:
According to the data provided, which organism causes the most severe disease? E.coli- 20
Legionella pneumonphila- 1 Shigella- 10 Treponema pallidum- 57
Answer:
The answer cannot be determined based on the information
Question:
A 77-year-old man presented to the emergency department with abdominal pain. He was drowsy
and confused when roused and was peripherally cold with cyanosis. The abdomen was tense and
distended. A CT scan of the abdomen showed extraluminal gas and suspected extraluminal feces
consistent with a perforated sigmoid colon. He was treated with intravenous antibiotics and taken to
the operating room for laparotomy. During this procedure, gross fecal peritonitis from a perforated
sigmoid colon was confirmed; resection of the sigmoid colon with closure of the rectal stump and
creation of an end colostomy was performed. What is the predominant normal flora found in the
sigmoid colon?
Answer:
Gram negative rod
Upon arival to the ER, the man from the previous question had an extremely (life- threatening) low
blood pressure and a very fast heart rate.
Question:
What is the most likely condition that the patient is experiencing?
Answer:
Septic shock
, Question:
What is the underlying cause of this man's septic shock? (exotoxins or endotoxin)
Answer:
endotoxin
Question:
What is the name of the process that occurs between DNA and RNA?
Answer:
transcription
Question:
Click on the structure that correlates with a phenotype.
Answer:
protein
Question:
Click on the structure that correlates to the genotype of the cell.
Answer:
DNA
Question:
What type of genetic flow of information is occurring?
Answer:
horizontal gene transfer
Question:
Mutations occur to give individuals reproductive advantages over other individuals.
Answer:
False
Ciprofloxacin inhibits DNA gyrase.
Graded A+
According to the data provided, which organism most easily causes an
Question:
infection? E.coli- 20 Legionella pneumonphila- 1 Shigella- 10 Treponema pallidum- 57
Answer:
Legionella Pneumonphila
Question:
According to the data provided, which organism causes the most severe disease? E.coli- 20
Legionella pneumonphila- 1 Shigella- 10 Treponema pallidum- 57
Answer:
The answer cannot be determined based on the information
Question:
A 77-year-old man presented to the emergency department with abdominal pain. He was drowsy
and confused when roused and was peripherally cold with cyanosis. The abdomen was tense and
distended. A CT scan of the abdomen showed extraluminal gas and suspected extraluminal feces
consistent with a perforated sigmoid colon. He was treated with intravenous antibiotics and taken to
the operating room for laparotomy. During this procedure, gross fecal peritonitis from a perforated
sigmoid colon was confirmed; resection of the sigmoid colon with closure of the rectal stump and
creation of an end colostomy was performed. What is the predominant normal flora found in the
sigmoid colon?
Answer:
Gram negative rod
Upon arival to the ER, the man from the previous question had an extremely (life- threatening) low
blood pressure and a very fast heart rate.
Question:
What is the most likely condition that the patient is experiencing?
Answer:
Septic shock
, Question:
What is the underlying cause of this man's septic shock? (exotoxins or endotoxin)
Answer:
endotoxin
Question:
What is the name of the process that occurs between DNA and RNA?
Answer:
transcription
Question:
Click on the structure that correlates with a phenotype.
Answer:
protein
Question:
Click on the structure that correlates to the genotype of the cell.
Answer:
DNA
Question:
What type of genetic flow of information is occurring?
Answer:
horizontal gene transfer
Question:
Mutations occur to give individuals reproductive advantages over other individuals.
Answer:
False
Ciprofloxacin inhibits DNA gyrase.