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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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Protozoal and Parasitic Diseases Bacterial

Author
volleybuff33

Time
4 mins

Type
Multiple Choice

Quiz #
254,352

Updated
Dec 03 21

# Qns
10

Difficulty
Tough

Avg Score
6 / 10

Plays
1580

Awards
Top 35% Quiz

One at a Time - Single Page - Timed Game

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

Streptococcus pneumoniae

Bacillus cereus

Neisseria sicca

Staphylococcus aureus

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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

Streptococcus pyogenes

Streptococcus zooepidemicus

Streptococcus agalactiae

Staphyloccus epidermidis

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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

Arcanobacterium haemolyticum

Neisseria gonorrhoeae

Bacillus anthracis

Erysipelothrix rhusiopathiae

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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

Actinomyces pyogenes

C. ulcerans

C. diphtheriae

C. jeikeium

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Question 5 of 10

5. What does MRSA stand for? Hint

Moraxella Responsive Sucrose Agar

Mutation Reversed Streptococcus Acquistion

Motility Receptive Specific Agar

Methicillin Resistant Staphylococcus Aureus

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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

denature

ligate

anneal

elongate

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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

Microplasma

Listeria

Bacillus

Mycoplasma

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Question 8 of 10

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

C. psittaci

C. ulcerans

C. pneumoniae

C. trachomatis

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

beta-hemolytic on sheep blood agar

treated with ampicillin

facultative intracellular pathogen

non-motile

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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

both glucose and sucrose are fermented

only lactose is fermented

both sucrose and lactose are fermented

only glucose is fermented

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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.

Answer: non-motile

Listeria monocytogenes is a motile organism.

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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