Chapter 19 and Chapter 34

Question 1

Alternation in normal bowel movement characterized by an increase in the water content, volume or frequency of stools is known as what?

Answer 1

Diarrhea

Question 2

What is the stomach acidity?

Answer 2

pH of lower than 4

Question 3

Peristalsis can be found where

Answer 3

Small intestine

Question 4

Symptoms of rapid onset of diarrhea, lack of fever, absence of blood or pus, and large number of watery stools is what

Answer 4

Enterotoxin-mediated diarrhea

Question 5

How do people get salmonella

Answer 5

Contaminated or undercooked animal food products

Question 6

How do people get Shigella

Answer 6

Improper sanitary conditions and poor personal hygiene

Question 7

How do people get yersinia

Answer 7

By wide variety of animals

Question 8

ETEC is what?

Answer 8

E.Coli enterotoxigenic

Question 9

What does ETEC do

Answer 9

Produces adhesions to bind to intestinal mucosa and enterotoxins and is the common cause of traveler’s diarrhea

Question 10

EIEC is what?

Answer 10

E.coli enteroinvasive

Question 11

What does EIEC do?

Answer 11

Cause watery diarrhea and the infection is similar to Shigella

Question 12

EHEC is what?

Answer 12

Enterohemorrhagic
E.coli strain 0157:H7

Question 13

What E.coli strain is the principal causes

Answer 13

0157:H7

Question 14

What is EPEC?

Answer 14

enteropathogenic

Question 15

What is EAEC

Answer 15

Enteroaggregative

Question 16

What does EAEC adheres to

Answer 16

The intestinal surface but in a more clumped or aggregative fashion

Question 17

This E.coli affects adults and childern and is rare in the united states

Answer 17

Enteroinvasive E.coli

Question 18

This E.coli is nonmotile and do not ferment lactose

Answer 18

Enteroinvasive E.coli

Question 19

This E.coli can cause hemorrhagic diarrhea and colitis

Answer 19

Enterohemorrhagic E.coli (EHEC)

Question 20

This E.coli can cause watery diarrhea progressing to bloody diarrhea without leukocytes and can be fatal

Answer 20

Enterohemorrhagic E.coli (EHEC)

Question 21

Toxins produced by shiga toxigenic E.coli (STEC) is what type of E.coli

Answer 21

0157:H7 or known as EHEC

Question 22

EAEC-Enteriadherent has organisms that adhere to what?

Answer 22

The surface of the small intestine

Question 23

DAEC (EAEC) may be associated with what

Answer 23

UTIs and diarrheal disease

Question 24

What are the two types of EAEC

Answer 24

Enteroadherent (EAEC) and DAEC (diffusely adherent

Question 25

Clear, colorless, nonlactose-fermenting on MAC and colonies with black centers on HE or XLD

Answer 25

Salmonella

Question 26

The most common form of S. enterica

Answer 26

S. enterica subsp. Enterica

Question 27

What causes typhoid fever

Answer 27

S. typhi

Question 28

Enterotoxin is involved in gastroenteritis
Has the ability to traverse intestinal mucosa
Fimbriae is used in initiating intestinal infection

Answer 28

Salmonellae

Question 29

Cause acute gastroenteritis/food poisoning, typhoid fever, nontyphoid bacteremia

Answer 29

Salmonellae

Question 30

This can cause prolonged fever, bacteremia, and involvement of the reticuloendothelial system, and dissemination to multiple organs

Answer 30

Salmonella typhi (Typhoid fever)

Question 31

Small masses of lymphatic tissue found throughout the ileum region of the small intestine

Answer 31

Peyer’s patches