Final

Question 1

normal flora of the oral cavity

Answer 1

• streptococcus
• lactobacillus
• peptostreptococcus
• veillonella
• diphtheroid species

Question 2

dental caries

Answer 2

tooth decay

Question 3

dental plaque

Answer 3

begins as biofilm
bacteria undergo metabolism and produces acids that can dissolve tooth enamel

Question 4

viral diseases of digestive system

Answer 4

• viral gastroenteritis
• rotaviruses
• norovirus
• Hepatitis A, B, C, D, E
• mumps

Question 5

bacterial diseases of the digestive system

Answer 5

• peptic ulcer disease

cause by gram - bacteria
- gastroenteritis, E. coli
- shigellosis
- salmonelloses
- yersinosis
- gastroenteritis, campylobacter
- cholera
- non cholera vibriosis

caused by gram + bacteria
- listeriosis
- antibiotic associated colitis
- food poisoning

Question 6

oral thrush

Answer 6

• white coating resembling cottage cheese
• caused by yeast strain -> Candida albicans
• common in newborns and pt taking abx

topical tx (oral spray or swab) with a nystatin solution is curative

Question 7

gastritis

Answer 7

inflammation of the stomach lining

Question 8

gastroenteritis

Answer 8

inflammation along the gastrointestinal tract

Question 9

enteritis

Answer 9

inflammation mainly of the small intestine

Question 10

enterocolitis

Answer 10

inflammation of the colon and small intestine

Question 11

colitis

Answer 11

inflammation of the colon

Question 12

food borne disease infection

Answer 12

the microbial agent is ingested -> colonizes the gut -> produces toxins that damage host cells

slower incubation -> hours to days

S+S
- diarrhea
- N/V
- abd cramps
- fever

Question 13

food borne disease intoxication

Answer 13

aka. poisoning

bacteria produce toxins in the food before its ingested

rapid incubation -> minutes to hours

not communicable

S+S
- N/V/D
- weakness
- resp failure
- numbness
- sensory/motor dysfunction

Question 14

mechanisms of diarrhea

Answer 14

fuse, watery diarrhea