In Clinical Laboratory Science Bacteriology Questions and Answers 100% Pass
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Course
In Clinical Laboratory Science Bacteriology
Institution
In Clinical Laboratory Science Bacteriology
In Clinical Laboratory Science
Bacteriology Questions and Answers
100% Pass
What is the primary function of the Gram stain in bacteriology?
To differentiate bacterial species based on cell wall composition
To identify the presence of bacterial spores
To assess the motility of bacteria
To...
In Clinical Laboratory Science
Bacteriology Questions and Answers
100% Pass
What is the primary function of the Gram stain in bacteriology?
✔✔To differentiate bacterial species based on cell wall composition
To identify the presence of bacterial spores
To assess the motility of bacteria
To detect the presence of viral infections
Which of the following bacteria is known for causing tuberculosis?
Streptococcus pneumoniae
✔✔Mycobacterium tuberculosis
Clostridium botulinum
Escherichia coli
What is the most commonly used method for identifying bacterial species in a clinical
laboratory?
Blood culture
1
,✔✔Biochemical testing
Serological testing
Molecular typing
Which bacterium is most commonly associated with urinary tract infections (UTIs)?
✔✔Escherichia coli
Staphylococcus aureus
Neisseria gonorrhoeae
Salmonella enterica
What type of bacteria is typically stained using the Ziehl-Neelsen method?
✔✔Acid-fast bacteria
Gram-negative bacteria
Spore-forming bacteria
Capsulated bacteria
Which of the following bacteria are commonly associated with wound infections?
Listeria monocytogenes
2
,✔✔Staphylococcus aureus
Pseudomonas aeruginosa
Clostridium tetani
What is the primary purpose of a bacterial culture?
To identify the bacterial strain
✔✔To grow and isolate the bacteria for further analysis
To determine the antibiotic resistance profile
To measure the bacterial load in a sample
What does a positive catalase test indicate about a bacterium?
The bacterium can ferment sugars
The bacterium is resistant to antibiotics
✔✔The bacterium produces catalase enzyme
The bacterium is anaerobic
Which medium is commonly used to grow fungi in a clinical laboratory?
Blood agar
3
, ✔✔Sabouraud dextrose agar
MacConkey agar
Eosin-methylene blue agar
What is the shape of Streptococcus pneumoniae?
✔✔Cocci, arranged in pairs
Rods, arranged in chains
Spiral-shaped
Cocci, arranged in clusters
Which of the following is a characteristic feature of Clostridium species?
Gram-negative
✔✔Spore formation
Lack of motility
Facultative anaerobic metabolism
What is the main action of the antibiotic penicillin?
✔✔Inhibits bacterial cell wall synthesis
4
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