WorksheetsMedical Micro 4: Digestive
Total questions: 39
Worksheet time: 22mins
This enterotype contains high levels of bacteroides in their gut microbiome and is common in nonalcoholic steatohepatitis, colorectal cancer, and celiac disease:
ET 1
ET 2
ET 3
This enterotype contains prevotella gut microbiota and is common in people with rheumatoid arthritis and type 2 diabetes
ET 1
ET 2
ET 3
This enterotype has ruminococcus gut microbiota and is common in people with artheroscelrosis:
ET 1
ET 2
ET 3
Dental caries (tooth decay) can result from:
plaque building
contaminated food or water
dietary carbohydrates
acidogenic bacteria
In infancy which of the following bacterium are the infants exposed to in breast milk?
lactobacillis
streptococcus
bifidobacterium
clostridia
In infancy the infants are NOT exposed to which bacterium when formula-fed?
Enterococcus/streptococcus
Lactobacillus
Bacteroides
Clostridia
Which of the following bacterium is NOT specifically involved with dental caries (tooth decay)? (select all that are not involved)
streptococcus mutans
streptococcus sobriuns
Fusobacterium
Porphyromonas
Prevotella
Clostridium perfringens has an incubation period of:
1-6 hours
8-24 hours
1-2 days
True or False- clostridium perfringens always presents with the following symptoms: abdominal pain, fever, cramping, nausea, diarrhea, vomiting
True
False- should not include diarrhea
False- should not include fever, nausea, AND vomiting
False- should not include fever and nausea
S. aureus will cause which of the following
gastroenteritis for several hours and diarrhea
cramps and weakness
nausea and vomiting
blood and mucus in feces
In birth which of the following bacteria is the baby exposed to during c-section?
lactobacillus
streptococcus
corynebacterium
prevotella
cutibacterium
Which of the following is caused by plaque building, dietary carbohydrates, and acidogenic bacteria?
Dental caries (tooth decay)
Gingivitis
Periodontitis
In birth which of the following bacteria is the baby exposed to during vaginal delivery?
lactobacillus
streptococcus
corynebacterium
prevotella
cutibacterium
Bacillus cereus has 2 types of toxins for cooked grains, like rice, it causes what?
watery diarrhea with little vomiting
substantial vomiting
Bacillus cereus has 2 types of toxins for cooked grains, like rice, it is
Enterotoxin
Exotoxin
heat stable toxin
Which of the following has bacterial that aim to injure periodontal tissue?
Dental caries (tooth decay)
Gingivitis
Periodontitis
Staphylococcus aureus has an incubation period of:
1-6 hours
8-24 hours
1-2 days
Which of the following is O157:H7 (shiga toxin) and animal reservoir increasing chance of human contact?
Enterotoxin E. Coli
Enteropathogenic E. Coli
Enteroinvasive E. Coli
Enterohemorrhagic E. Coli
True or false- shiga toxin has a very high infectious dose (mostly foodborne transmission) and causes hemolytic uremic syndrome.
True
False- very low infectious dose
False- has nothing to do with hemolytic uremic syndrome
Which of the following is the only known bacterial carcinogen?
Campylobacter jejuni
Shigella sonnei
Helicobacter pylori
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)
Campylobacter jejuni
campylobacteriosis
Shigella sonnei
shigellosis
Campylobacter jejuni (campylobacteriosis) is transmitted by which of the following? (select all that apply)
respiratory
fecal-oral
blood
contaminated food (poultry)
In _______ intestinal ulceration less severe than in ________ and blood invasion is uncommon?
typhoid fever; salmonellosis
salmonellosis; typhoid fever
True or False- e. coli is a major cause of infantile diarrhea.
True
False- it should be c. diff
Serotype typhi (Typhoid fever) AND Non-typhoidal (salmonellosis) are both caused by....
Salmonella bacterium
Salmonella enterica
Staphylococcus aureus
Streptococcus enterica
Which of the following is the common cause of bacterial gastroenteritis along with salmonella?
Campylobacter jejuni
Shigella sonnei
Helicobacter pylori
The disease called ___ is defined as watery diarrhea and some pain to severe and fulminant colitis with rupture of intestine, could lead to death.
Tinycolon
Megacolon
Minorcolon
Taperedcolon
True or False- bacterial GI infections have shorter incubation periods than intoxications
True
False- longer incubation periods
True or False- C. difficile produces enterotoxin and cytotoxin
True
False- only produces enterotoxins
False- should be exotoxins not enterotoxins
False- only cytotoxin
Serotype typhi (Typhoid fever) has an incubation period of-
1-2 weeks
5-10 days
5-21 days
10-30 days
Serotype typhi (Typhoid fever) involves a ________ infection.
Skin
Blood
Kidney
URT
Cyclosporiasis is caused by which of the following bacteria? (select all that apply)
Cryptosporidium parvum
Giardia lamblia
Cyclospora cayetanensis
Cryptosporidium hominis
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.
Giardiasis
Cryptosporidiosis
Cyclosporiasis
Amoebiasis
Which of the following is an opportunistic, emergent disease caused by hepeviridae family
Hep A
Hep B
Hep C
Hep E
Which of the following present with n/v/d, cramping, bloating; symptoms can last more than a month and
Giardiasis
Cryptosporidiosis
Cyclosporiasis
Amoebiasis
Which of the following present with diarrhea lasts 1-2 weeks, and immunocompromised individuals may experience cholera-like diarrhea
Giardiasis
Cryptosporidiosis
Cyclosporiasis
Amoebiasis
Treatment for Cyclosporiasis is ____
Tinadazole
trimethoprim-sulfamethoxazole (TMP-SMX)
Which of the following present with symptoms that appears after 7 days such as nausea, diarrhea, cramps, and flatulence.
Giardiasis
Cryptosporidiosis
Cyclosporiasis
Amoebiasis
Which of the following is a parasite spread through contaminated fresh produce?
Giardiasis
Cryptosporidiosis
Cyclosporiasis
Amoebiasis
