Quiz 6 (3/31)

Question 1

Microbe-induced lung inflammation where the bronchioles and the alveoli become fluid-filled

Answer 1

Pneumonia

Question 2

Which strand of pneumonia is necrotizing (flesh-eating)?

Answer 2

Staph aureus

Question 3

Primary or secondary infection in people with impaired pulmonary function

Answer 3

Klebsiella pneumonia

Question 4

Which type of pneumonia is common in the immunocompromised?

Answer 4

Pseudomonas aeruginosa

Question 5

Type of pneumonia that is small and fragile with no cells wall. It causes fever, fatigue, sort throat, dry-hacking

Answer 5

Mycoplasma pneumonia (Primary atypical pneumonia)

Question 6

Common food borne bacteria that grows in 2-4 hours and at a broad temperature range. Causes illness GI symptoms (vomiting, diarrhea) for 1-2 days.

Answer 6

Staph aureus

Question 7

Obligate Anaerobic spore-forming bacillus. Spores are found in the intestines of animals and then pass into soil, then our food products.

Answer 7

Clostridium botulinum

Question 8

botulinum exotoxin is how strong?

Answer 8

One the most powerful natural toxins.
Tsp could kill GR

Question 9

Botulism symptoms:

Answer 9

“floppy baby syndrome “- muscles don’t function
placid paralysis (words down)
hypotonia
death within 1-2 days if untreated

Question 10

How do botulism toxins attach to cells?

Answer 10

Attach to SNARE and SNAP proteins and chops them up so they can’t do vesicle fusion

Question 11

Waterborne bacteria that forms a biofilm along the intestines and produces an AB toxin

Answer 11

Cholera (Vibrio cholerae)

Question 12

Death rate for cholera if untreated:

Answer 12

70%

Question 13

Function of the Vibrio cholerea toxin

Answer 13

Makes Adenylate cyclase continually produce cyclic AMP so the cell makes a ton of ion transport channels and then shrivels because it pumps out all the water.

Question 14

A bacteria commonly spread in healthcare settings that infects when the microbiome is disrupted. Gram positive bacillus that spreads through spores.

Answer 14

Clostridium difficile

Question 15

What percent of hospital patients acquire C.diff?

Answer 15

20-40%

Question 16

Infectious dose of C.diff

Answer 16

1 spore!

Question 17

Gram positive bacilli found in contaminated poultry products, raw ingredients, turtles, reptiles. Second more common food borne infection.

Answer 17

Salmonella enterica serotype Typhimurium

Question 18

Type of salmonella associated with Typhoid fever. Resistant to conditions outside the body; humans are the only host.

Answer 18

Salmonella enterica serotype Typhi

Question 19

Which cell type does Salmonella enterica serotype Typhi invade?

Answer 19

macrophages.

Question 20

Symptoms of Typhoid fever:

Answer 20

high fever, vomiting, bloody stools, each, hemorrhage of investing, blood clots

Question 21

Bacteria that colonizes in animal intestines. Transmitted in undercooked beef, unpasteurized milk, juice, bean sprouts, pools, water parks, petting zoos, ect.

Answer 21

E coli.

Question 22

Dangerous strain of E coli. that can cause hemorrhagic colitis.

Answer 22

EIEC E coli.
strain O157:H7

Question 23

Virus that causes gastroenteritis in kids. Transmitted through the fecal-oral route; infectious does= 10. Destroys epithelial cells, decreasing absorption and increasing inflammation

Answer 23

Rotavirus

Question 24

Virus that causes gastroenteritis in adults

Answer 24

Norovirus