MICROBIOLOGY EXAM 3 PRACTICE QUESTIONS AND VERIFIED
ANSWERS| LATEST EXAM UPDATE 2025/2026.
The most common sexually transmitted disease in the US is:
A. Herpes
B. Syphilis
C. Condyloma
D. Chlamydiae infections
E. Gonorrhoea infections -CORRECT ANSWER D
An enzyme of Staphylococcus aureus that convents fibrinogen into insoluble
fibirn is:
A. Lipase
B. Coagulase
C. Staphylokinase
D. Hemolycin
E. Hyaluronidase -CORRECT ANSWER B
Extra-intestinal disease, especially the production of a serious fever, may follow
intestinal infection with:
A. Vibrio cholerae
B. Salmonella typhi
,C. Shigella dysenteriae
D. Clostridium botulinum
E. Staphylococcus aureus -CORRECT ANSWER B
On blood agar, Streptococcus pyogenes causes which type of hemolysis?
A. Delta hemolysis
B. Alpha hemolysis
C. Gamma hemolysis
D.Beta hemolysis
E. No hemolysis -CORRECT ANSWER D
S. pyogenes has:
A. capsule
B. M protein
C. Teichoic acid
D. All of these -CORRECT ANSWER D
,Food poisoning due to which organism is most likely to cause a flaccid muscle
paralysis:
A. Staphylococcus aureus
B. Clostridium perfringens
C. Clostridium botulinum
D. Bacillus anthracis
E. Bacillus cereus -CORRECT ANSWER C
(think Botox!)
Pneumococcal pneumonia is often treated successfully by using penicillin.
Penicillin inhibits the growth of the pneumococcus by preventing the synthesis
of:
A. Capsule
B. Common pili
C. Cell wall
D. Cell membrane
E. Flagella -CORRECT ANSWER C
, Which of the following may be complications associated with infections of
Neisseria gonorrhoeae?
A. Pelvic inflammatory disease
B. Infections of the skin
C. Infections of the joints that may lead to arthritis
D. Disseminated gonococcal infection
E. All of these -CORRECT ANSWER E
Chlamydia can cause eye disease
True
False -CORRECT ANSWER True
Which of the following diseases is (are) caused by Enterobacteriaceae?
A. urinary tract infection
B. enteric fever
C. septicemia
ANSWERS| LATEST EXAM UPDATE 2025/2026.
The most common sexually transmitted disease in the US is:
A. Herpes
B. Syphilis
C. Condyloma
D. Chlamydiae infections
E. Gonorrhoea infections -CORRECT ANSWER D
An enzyme of Staphylococcus aureus that convents fibrinogen into insoluble
fibirn is:
A. Lipase
B. Coagulase
C. Staphylokinase
D. Hemolycin
E. Hyaluronidase -CORRECT ANSWER B
Extra-intestinal disease, especially the production of a serious fever, may follow
intestinal infection with:
A. Vibrio cholerae
B. Salmonella typhi
,C. Shigella dysenteriae
D. Clostridium botulinum
E. Staphylococcus aureus -CORRECT ANSWER B
On blood agar, Streptococcus pyogenes causes which type of hemolysis?
A. Delta hemolysis
B. Alpha hemolysis
C. Gamma hemolysis
D.Beta hemolysis
E. No hemolysis -CORRECT ANSWER D
S. pyogenes has:
A. capsule
B. M protein
C. Teichoic acid
D. All of these -CORRECT ANSWER D
,Food poisoning due to which organism is most likely to cause a flaccid muscle
paralysis:
A. Staphylococcus aureus
B. Clostridium perfringens
C. Clostridium botulinum
D. Bacillus anthracis
E. Bacillus cereus -CORRECT ANSWER C
(think Botox!)
Pneumococcal pneumonia is often treated successfully by using penicillin.
Penicillin inhibits the growth of the pneumococcus by preventing the synthesis
of:
A. Capsule
B. Common pili
C. Cell wall
D. Cell membrane
E. Flagella -CORRECT ANSWER C
, Which of the following may be complications associated with infections of
Neisseria gonorrhoeae?
A. Pelvic inflammatory disease
B. Infections of the skin
C. Infections of the joints that may lead to arthritis
D. Disseminated gonococcal infection
E. All of these -CORRECT ANSWER E
Chlamydia can cause eye disease
True
False -CORRECT ANSWER True
Which of the following diseases is (are) caused by Enterobacteriaceae?
A. urinary tract infection
B. enteric fever
C. septicemia
