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Quiz about Pesky Pathogens
Quiz about Pesky Pathogens

Pesky Pathogens Trivia Quiz


Humans are constantly fighting on a battlefield of microscopic proportion. This quiz focuses on some of the most common pathogenic invaders, the weapons they use, and diseases they ultimately cause.

A multiple-choice quiz by volleybuff33. Estimated time: 4 mins.
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Author
volleybuff33
Time
4 mins
Type
Multiple Choice
Quiz #
254,352
Updated
Dec 03 21
# Qns
10
Difficulty
Tough
Avg Score
6 / 10
Plays
1584
Awards
Top 35% Quiz
- -
Question 1 of 10
1. Up to 40% of the general population carries this organism in their nose; it is known to cause toxic shock syndrome (TSS). Hint


Question 2 of 10
2. This pathogen, able to grow in Todd-Hewitt broth, is known to cause the characteristic "strawberry tongue" disease, scarlet fever. Hint


Question 3 of 10
3. These Gram negative, kidney-bean shaped cocci are the reason silver nitrate was traditionally administered to the eyes of newborns. Hint


Question 4 of 10
4. The DTaP vaccine is a prevention mechanism for this pathogen, which is transmitted via aerosol droplets and leads to pseudomembrane formation in the throat. Hint


Question 5 of 10
5. What does MRSA stand for? Hint


Question 6 of 10
6. Polymerase chain reaction (PCR), a common detection method in the clinical laboratory, uses all of the folling processes EXCEPT one. Which process in not involved in PCR? Hint


Question 7 of 10
7. Which of the following oranisms is the SMALLEST free-living organism, at the miniscule size of 0.12 to 0.25 micrometers? Hint


Question 8 of 10
8. This organism is responsible for causing chlamydia of the urogenital tract. Hint


Question 9 of 10
9. Listeria monocytogenes is an organism responsible for such diseases as gastroenteritis, meningitis, and septicemia in pregnant women and fetuses/newborns. Which of these characteristics does NOT apply to Listeria monocytogenes? Hint


Question 10 of 10
10. Ersyipelothrix rhusiopathiae causes characteristic diamond-shaped erysipeloid lesions on the skin and can be indentified clincally through the use of triple sugar iron (TSI) slants. When recording slant results, what does K/A mean in terms of sugars fermented? Hint



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Quiz Answer Key and Fun Facts
1. Up to 40% of the general population carries this organism in their nose; it is known to cause toxic shock syndrome (TSS).

Answer: Staphylococcus aureus

Staphylococcus aureus can infect most bodily tissues, causing a variety of diseases including folliculitis, pneumonia, osteomyelitis, endocarditis, and enteritis.
2. This pathogen, able to grow in Todd-Hewitt broth, is known to cause the characteristic "strawberry tongue" disease, scarlet fever.

Answer: Streptococcus pyogenes

Scarlet fever is one of many diseases caused by S. pyogenes including pharyngitis or "sore throat".
3. These Gram negative, kidney-bean shaped cocci are the reason silver nitrate was traditionally administered to the eyes of newborns.

Answer: Neisseria gonorrhoeae

Neisseria gonorrhoeae causes gonorrhea by infection of the urethra in males or cervix in females. It can be transmitted from an infected mother to newborn child thus the silver nitrate drops. Currently, erythromycin ophthalmic ointment is used.
4. The DTaP vaccine is a prevention mechanism for this pathogen, which is transmitted via aerosol droplets and leads to pseudomembrane formation in the throat.

Answer: C. diphtheriae

The DTaP vaccine contains diphtheria toxoid + tetanus toxoid + acellular Bordatella pertussis and protects against diphtheria.
5. What does MRSA stand for?

Answer: Methicillin Resistant Staphylococcus Aureus

MRSA is a strain of Staphylococcus aureus resistant to the antibiotic methicillin; vancomycin can be used for treatment. There is also a VRSA, vancomycin resistant strain, that can only be treated with linezolid.
6. Polymerase chain reaction (PCR), a common detection method in the clinical laboratory, uses all of the folling processes EXCEPT one. Which process in not involved in PCR?

Answer: ligate

Denaturing, annealing, and elongation are all steps used in PCR. Ligation is used in ligase chain reaction (LCR), not PCR.
7. Which of the following oranisms is the SMALLEST free-living organism, at the miniscule size of 0.12 to 0.25 micrometers?

Answer: Mycoplasma

Because of its small size, Mycoplasma can cause difficulty when trying to prepare sterile media.
8. This organism is responsible for causing chlamydia of the urogenital tract.

Answer: C. trachomatis

C. trachomatis is the primary cause of genital tract infections as well as non-gonococcal urethritis or cervicitis.
9. Listeria monocytogenes is an organism responsible for such diseases as gastroenteritis, meningitis, and septicemia in pregnant women and fetuses/newborns. Which of these characteristics does NOT apply to Listeria monocytogenes?

Answer: non-motile

Listeria monocytogenes is a motile organism.
10. Ersyipelothrix rhusiopathiae causes characteristic diamond-shaped erysipeloid lesions on the skin and can be indentified clincally through the use of triple sugar iron (TSI) slants. When recording slant results, what does K/A mean in terms of sugars fermented?

Answer: only glucose is fermented

K/A signifies an alkaline slant and acidic butt of the slant. Glucose is only 0.01% of the slant composition so it is only able to turn the butt acidic. Therefore, only glucose is fermented.
Source: Author volleybuff33

This quiz was reviewed by FunTrivia editor crisw before going online.
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