Q. What is a common feature of Enterobacteriaceae?
-
A.
They are anaerobic bacteria.
-
B.
They ferment lactose.
-
C.
They are spore-forming.
-
D.
They are obligate parasites.
Solution
Many Enterobacteriaceae can ferment lactose, which is a key characteristic.
Correct Answer:
B
— They ferment lactose.
Learn More →
Q. What is the Gram stain result for Spirochaetes?
-
A.
Gram-positive
-
B.
Gram-negative
-
C.
Gram-variable
-
D.
Gram-nonreactive
Solution
Spirochaetes are typically classified as Gram-negative bacteria.
Correct Answer:
B
— Gram-negative
Learn More →
Q. What is the primary characteristic of Spirochaetes?
-
A.
They are rod-shaped bacteria.
-
B.
They are spiral-shaped bacteria.
-
C.
They are cocci-shaped bacteria.
-
D.
They are filamentous bacteria.
Solution
Spirochaetes are primarily characterized by their spiral shape.
Correct Answer:
B
— They are spiral-shaped bacteria.
Learn More →
Q. What is the primary mode of transmission for Lyme disease caused by Borrelia burgdorferi?
-
A.
Airborne transmission
-
B.
Vector-borne transmission via ticks
-
C.
Direct contact with infected individuals
-
D.
Contaminated water
Solution
Lyme disease is primarily transmitted through the bite of infected ticks.
Correct Answer:
B
— Vector-borne transmission via ticks
Learn More →
Q. What is the primary treatment for syphilis?
-
A.
Antibiotics
-
B.
Antivirals
-
C.
Surgery
-
D.
Vaccination
Solution
The primary treatment for syphilis is antibiotics, particularly penicillin.
Correct Answer:
A
— Antibiotics
Learn More →
Q. Which disease is primarily caused by Treponema pallidum?
-
A.
Gonorrhea
-
B.
Syphilis
-
C.
Chlamydia
-
D.
Tuberculosis
Solution
Treponema pallidum is the causative agent of syphilis.
Correct Answer:
B
— Syphilis
Learn More →
Q. Which Enterobacteriaceae is known for causing urinary tract infections?
-
A.
Salmonella enterica
-
B.
Klebsiella pneumoniae
-
C.
Shigella dysenteriae
-
D.
Yersinia pestis
Solution
Klebsiella pneumoniae is commonly associated with urinary tract infections.
Correct Answer:
B
— Klebsiella pneumoniae
Learn More →
Q. Which of the following is a common pathogen in the Enterobacteriaceae family?
-
A.
Escherichia coli
-
B.
Staphylococcus aureus
-
C.
Streptococcus pneumoniae
-
D.
Clostridium difficile
Solution
Escherichia coli is a well-known pathogen within the Enterobacteriaceae family.
Correct Answer:
A
— Escherichia coli
Learn More →
Q. Which of the following is a virulence factor of Escherichia coli?
-
A.
Capsule formation
-
B.
Endotoxin production
-
C.
Exotoxin production
-
D.
All of the above
Solution
Escherichia coli can possess multiple virulence factors including capsule, endotoxins, and exotoxins.
Correct Answer:
D
— All of the above
Learn More →
Showing 1 to 9 of 9 (1 Pages)
