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Medical Micro 4: Digestive

Total questions: 39

Worksheet time: 22mins

Name
Class
Date
1.

This enterotype contains high levels of bacteroides in their gut microbiome and is common in nonalcoholic steatohepatitis, colorectal cancer, and celiac disease:

a)

ET 1

b)

ET 2

c)

ET 3

2.

This enterotype contains prevotella gut microbiota and is common in people with rheumatoid arthritis and type 2 diabetes

a)

ET 1

b)

ET 2

c)

ET 3

3.

This enterotype has ruminococcus gut microbiota and is common in people with artheroscelrosis:

a)

ET 1

b)

ET 2

c)

ET 3

4.

Dental caries (tooth decay) can result from:

a)

plaque building

b)

contaminated food or water

c)

dietary carbohydrates

d)

acidogenic bacteria

5.

In infancy which of the following bacterium are the infants exposed to in breast milk?

a)

lactobacillis

b)

streptococcus

c)

bifidobacterium

d)

clostridia

6.

In infancy the infants are NOT exposed to which bacterium when formula-fed?

a)

Enterococcus/streptococcus

b)

Lactobacillus

c)

Bacteroides

d)

Clostridia

7.

Which of the following bacterium is NOT specifically involved with dental caries (tooth decay)? (select all that are not involved)

a)

streptococcus mutans

b)

streptococcus sobriuns

c)

Fusobacterium

d)

Porphyromonas

e)

Prevotella

8.

Clostridium perfringens has an incubation period of:

a)

1-6 hours

b)

8-24 hours

c)

1-2 days

9.

True or False- clostridium perfringens always presents with the following symptoms: abdominal pain, fever, cramping, nausea, diarrhea, vomiting

a)

True

b)

False- should not include diarrhea

c)

False- should not include fever, nausea, AND vomiting

d)

False- should not include fever and nausea

10.

S. aureus will cause which of the following

a)

gastroenteritis for several hours and diarrhea

b)

cramps and weakness

c)

nausea and vomiting

d)

blood and mucus in feces

11.

In birth which of the following bacteria is the baby exposed to during c-section?

a)

lactobacillus

b)

streptococcus

c)

corynebacterium

d)

prevotella

e)

cutibacterium

12.

Which of the following is caused by plaque building, dietary carbohydrates, and acidogenic bacteria?

a)

Dental caries (tooth decay)

b)

Gingivitis

c)

Periodontitis

13.

In birth which of the following bacteria is the baby exposed to during vaginal delivery?

a)

lactobacillus

b)

streptococcus

c)

corynebacterium

d)

prevotella

e)

cutibacterium

14.

Bacillus cereus has 2 types of toxins for cooked grains, like rice, it causes what?

a)

watery diarrhea with little vomiting

b)

substantial vomiting

15.

Bacillus cereus has 2 types of toxins for cooked grains, like rice, it is

a)

Enterotoxin

b)

Exotoxin

c)

heat stable toxin

16.

Which of the following has bacterial that aim to injure periodontal tissue?

a)

Dental caries (tooth decay)

b)

Gingivitis

c)

Periodontitis

17.

Staphylococcus aureus has an incubation period of:

a)

1-6 hours

b)

8-24 hours

c)

1-2 days

18.

Which of the following is O157:H7 (shiga toxin) and animal reservoir increasing chance of human contact?

a)

Enterotoxin E. Coli

b)

Enteropathogenic E. Coli

c)

Enteroinvasive E. Coli

d)

Enterohemorrhagic E. Coli

19.

True or false- shiga toxin has a very high infectious dose (mostly foodborne transmission) and causes hemolytic uremic syndrome.

a)

True

b)

False- very low infectious dose

c)

False- has nothing to do with hemolytic uremic syndrome

20.

Which of the following is the only known bacterial carcinogen?

a)

Campylobacter jejuni

b)

Shigella sonnei

c)

Helicobacter pylori

21.

Which of the following can present with the immune system attacking the nervous system and demylinates neurons, causing impairment of conductive signals in nerves and impairment of senesation/movement (Guilliain-Barre syndrome)? (select all that apply)

a)

Campylobacter jejuni

b)

campylobacteriosis

c)

Shigella sonnei

d)

shigellosis

22.

Campylobacter jejuni (campylobacteriosis) is transmitted by which of the following? (select all that apply)

a)

respiratory

b)

fecal-oral

c)

blood

d)

contaminated food (poultry)

23.

In _______ intestinal ulceration less severe than in ________ and blood invasion is uncommon?

a)

typhoid fever; salmonellosis

b)

salmonellosis; typhoid fever

24.

True or False- e. coli is a major cause of infantile diarrhea.

a)

True

b)

False- it should be c. diff

25.

Serotype typhi (Typhoid fever) AND Non-typhoidal (salmonellosis) are both caused by....

a)

Salmonella bacterium

b)

Salmonella enterica

c)

Staphylococcus aureus

d)

Streptococcus enterica

26.

Which of the following is the common cause of bacterial gastroenteritis along with salmonella?

a)

Campylobacter jejuni

b)

Shigella sonnei

c)

Helicobacter pylori

27.

The disease called ___ is defined as watery diarrhea and some pain to severe and fulminant colitis with rupture of intestine, could lead to death.

a)

Tinycolon

b)

Megacolon

c)

Minorcolon

d)

Taperedcolon

28.

True or False- bacterial GI infections have shorter incubation periods than intoxications

a)

True

b)

False- longer incubation periods

29.

True or False- C. difficile produces enterotoxin and cytotoxin

a)

True

b)

False- only produces enterotoxins

c)

False- should be exotoxins not enterotoxins

d)

False- only cytotoxin

30.

Serotype typhi (Typhoid fever) has an incubation period of-

a)

1-2 weeks

b)

5-10 days

c)

5-21 days

d)

10-30 days

31.

Serotype typhi (Typhoid fever) involves a ________ infection.

a)

Skin

b)

Blood

c)

Kidney

d)

URT

32.

Cyclosporiasis is caused by which of the following bacteria? (select all that apply)

a)

Cryptosporidium parvum

b)

Giardia lamblia

c)

Cyclospora cayetanensis

d)

Cryptosporidium hominis

33.

Which of the following follows this pathway: cysts enter body via contaminated food or water with feces, trophozoites emerge from intestines causing loose stool, cramping and abd pain. Lesions can form from amoebic dysentery such as bloody stools, fever, and pain.

a)

Giardiasis

b)

Cryptosporidiosis

c)

Cyclosporiasis

d)

Amoebiasis

34.

Which of the following is an opportunistic, emergent disease caused by hepeviridae family

a)

Hep A

b)

Hep B

c)

Hep C

d)

Hep E

35.

Which of the following present with n/v/d, cramping, bloating; symptoms can last more than a month and

a)

Giardiasis

b)

Cryptosporidiosis

c)

Cyclosporiasis

d)

Amoebiasis

36.

Which of the following present with diarrhea lasts 1-2 weeks, and immunocompromised individuals may experience cholera-like diarrhea

a)

Giardiasis

b)

Cryptosporidiosis

c)

Cyclosporiasis

d)

Amoebiasis

37.

Treatment for Cyclosporiasis is ____

a)

Tinadazole

b)

trimethoprim-sulfamethoxazole (TMP-SMX)

38.

Which of the following present with symptoms that appears after 7 days such as nausea, diarrhea, cramps, and flatulence.

a)

Giardiasis

b)

Cryptosporidiosis

c)

Cyclosporiasis

d)

Amoebiasis

39.

Which of the following is a parasite spread through contaminated fresh produce?

a)

Giardiasis

b)

Cryptosporidiosis

c)

Cyclosporiasis

d)

Amoebiasis