1. Which of the following tapeworms parasite is usually found in raw pork?
2. Name the common waterborne illness that is most prevalent in the nations like Haiti, India, Nepal, and other poor regions with lack of clean drinking water and good sanitation practices.
b) Hand, Foot and mouth disease
c) Chagas disease
3. Which of the following gram positive bacteria is a common pathogen that can adulterate dairy, and frozen products?
a) Staphylococcus saprophyticus
b) Listeria monocytogenes
c) Giardia lamblia
d) Bacillus cereus
4. Canned food poisoning is commonly linked to which of the following microorganisms?
a) Staphylococcus aureus
b) Vibrio cholerae
c) Taenia solium
d) Clostridium botulinum
5. Select all the pathogens that can be transmitted to humans through the consumption of poultry and poultry products
b) Salmonella typhi
c) Campylobacter jejuni
d) Bacillus anthracis
6. 'Amebiasis' is a common human intestinal infection transmitted through ingestion of contaminated water and food.
Name the pathogen associated with the disease?
b) Clostridium perfringens
c) Entamoeba histolytica
d) Trichomonas vaginalis
7. What is the name of the parasitic illness that is primarily associated with fecal contaminated swimming pools and can cause diarrhea in humans?
8. Which of the following foodborne bacterial infection is a common cause of 'bloody diarrhea'?
9. Name the intestinal parasitic infection in humans spread by the consumption of contaminated water and food
b) Mucor mycosis
10. Which of the following foodborne virus can cause "stomach flu "that is commonly found in raw or uncooked seafood such as shellfish, and oysters?
d) Influenza virus
11. Name the microbe spread through the fecal-oral route and is most commonly associated with the infection 'jaundice'
a) Hepatitis A virus
b) Campylobacter jejuni
c) Lactobacillus acidophilus
12. Shigellosis is also known as...........................................
a) Chagas disease
d) Bacillary dysentery
13. Which of the following enteric parasite is one of the common causative pathogens of 'helminthic infection' that is prevalent in subtropical regions of the world?
a) Lactobacillus acidophilus
b) Aspergillus fumigatus
c) Ascaris lumbricoides
d) Wuchereria brancrofti
14. All of the following major foodborne pathogens produce microbial toxins, Except?
a) Bacillus cereus
b) Pseudomonas aeruginosa
c) Staphylococcus aureus
d) Vibrio cholerae
e) Clostridium perfringens
f) Clostridium botulinum
15) Which of the following foodborne bacteria can grow well in low temperatures and is a commonly found in contaminated unpasteurized refrigerated foods such as milk and meats?
b) Clostridium botulinum
c) Listeria monocytogens
d) Rhizopus stolonifer
16) The hepatitis infection that is most commonly transmitted through the fecal-oral route is caused by which of the following types of hepatitis virus?
Select the correct answers:
a)Hep E virus
b)Hep B virus
c)Hep D virus
d)Hep A virus
17) Which of the following enterohemorrhagic gram negative bacterial strain is the common cause of intestinal infection in humans?
a) Bacillus cereus
b) E. Coli (EHEC) O157:H7
c) E. Coli (ETEC) 2539
d) Entamoeba histolytica
e) Lactobacillus acidophilus
18) Which of the following foodborne parasite is transmitted to humans through the ingestion of undercooked or raw pork?
a) Clostridium difficile
b) Aspergillus fumigatus
c) Trichinella spiralis
d) Fusarium solani
Answers and Explanation:
1. Correct answer is b)Taenia solium, it is a pork tapeworm that is transmitted to humans through ingestion of undercooked and raw pork.
2. Correct answer is a) Cholera is a bacterial waterborne illness that is transmitted to humans through ingestion of contaminated water and food.
Hand, foot and mouth disease is a viral infection common in children that is mainly transmitted through respiratory droplets. c) Chagas disease is a parasitic infection that is transmitted to humans through bite of fly (vector). d) Kala-azar/Leishmaniasis is a parasitic infection that is transmitted to humans through the bite of sandflies
3.Correct answer is b) Listeria monocytogenes is a gram positive bacteria that is can grow in frozen dairy products.
a) Staphylococcus saprophyticus is a gram positive bacteria, a common cause of UTIs in women.
c) Giardia lamblia is a parasite that is transmitted that is found in soil and water, transmitted to humans through ingestion of raw uncooked food.
d) Bacillus cereus is a gram positive bacteria that produces toxins in foods such as rice, meats and vegetables.
4. Correct answer is d) Clostridium botulinum is a spore forming gram positive bacteria that is can be found in canned food.
a) Staphylococcus aureus is a gram positive bacteria, a normal flora of human skin, can cause respiratory infections and skin infections. b) Vibrio cholerae causes bacterial waterborne illness that is transmitted to humans through ingestion of contaminated water and food. c) Taenia solium is a pork tapeworm that is transmitted to humans through ingestion of undercooked and raw pork.
5. Correct answer is a) H5N1, b) Salmonella typhi and, c) Campylobacter jejuni.
d) Bacillus anthracis is a gram positive bacteria that is found in soil, causes infections in cattle and can transmit to humans.
6. Correct answer is c) Entamoeba histolytica, it is a parasite that causes amebiasis (foodborne illness) in humans.
a) Coxsackievirus is mainly transmitted through respiratory droplets and causes hand, foot and mouth disease in children, b) Clostridium perfringens is a spore forming gram positive bacteria that causes food borne intoxication in humans. d) Trichomonas vaginalis is a parasite that causes sexually transmitted parasitic infection.
7.Correct answer is a) Cryptosporodiosis, it is diarrheal disease that is caused by a parasite.
b) Cryptococcosis is a fungal infection, c) Donovanosis is skin infection of genital area that is caused by gram negative bacteria Klebsiella spp, d) Chlamydiosis is caused by gram negative bacteria that cause STDs.
8.Correct answer is c) Shigellosis is a foodborne infection caused by gram negative bacteria.
a) Giardiasis is a parasitic infection, b) Blastomycosis is a fungal infection, d) Syphilis is a sexually transmitted bacterial infection.
9.Correct answer is d) Cyclosporiasis, a parasitic infection transmitted to humans through ingestion of contaminated food and water.
a) Syphilis is a sexually transmitted bacterial infection, b) Mucor mycosis is a fungal infection, c) Trypanosomiasis is a parasitic infection.
10.Correct answer is b) Norovirus, it is a enteric viral pathogen that causes diarrhea and vomiting.
a) Poliovirus is transmitted to humans through fecal-oral route, c) H5N1virus, a common bird pathogen can transmit to humans through birds. d) Influenza virus is transmitted to humans through respiratory droplets.
11.Correct answer is a) Hepatitis A virus, it causes infection of liver and the most common symptom is jaundice (yellowing of the skin).
b) Campylobacter jejuni, c) Lactobacillus acidophilus and d) Norovirus do not cause jaundice.
12.d) Bacillary dysentery or Shigellosis caused by gram negative bacteria is the most common diarrheal disease in the world.
a) Chagas disease or trypanosomiasis is a parasitic infection, b) Typhoid is a gastrointestinal bacterial infection, and c) Schistosomiasis is a parasitic infection.
13.c) Ascaris lumbricoides, is a parasite (hookworms and whipworms) that can be transmitted to through fecal oral route.
a) Lactobacillus acidophilus causes bacterial infection, b) Aspergillus fumigatus causes fungal infection, d) Wuchereria bancrofti is a parasite that causes filariasis in humans transmitted by mosquitoes bite.
14.b) Pseudomonas aeruginosa is not a foodborne pathogen, it is a common opportunistic pathogen that causes nosocomial infections (folliculitis, pneumonia).
15. Correct answer is c) Listeria monocytogens is a bacteria that can grow in low temperatures, in refrigerated foods.
a) Norovirus is a viral pathogen, b) Clostridium botulinum is a bacteria that grows in canned foods, d) Rhizopus stolonifer is a fungus also known as black bread mold that grows well in breads.
16.a)Hep E virus and d) Hep A virus is transmitted to humans through fecal-oral route.
b)Hep B virus is transmitted through virus infected blood, through sex and sharing contaminated needles, c)Hep D virus infection can occur among people who are already infected with Hep b virus.
17.Correct answer is b) E. Coli (EHEC) O157:H7, a enterohaemorrhagic E. Coli that produces Shiga like toxin and is an important foodborne and waterborne pathogen.
a) Bacillus cereus and e) Lactobacillus acidophilus is a gram positive bacteria, c) E. Coli (ETEC) 2539 is enterotoxigenic E. Coli, d) Entamoeba histolytica is a parasite that is an important foodborne pathogen.
18.Correct answer is c) Trichinella spiralis, a parasite that causes foodborne illness in humans.
a) Clostridium difficile is a gram positive bacteria, b) Aspergillus fumigatus and d) Fusarium solani are fungi.
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