Chapter 19

Question 1

nocardiosis does NOT

Answer 1

develop in individuals with a healthy immune response

Question 2

most likely method if transmission of nocardiosis

Answer 2

inhalation of infected dust particles

Question 3

filamentous rods that produce swollen, tender nodules in the neck or jaw.

Answer 3

Actinomyces israelii

Question 4

Actinomyces derived from

Answer 4

normal microbiota

Question 5

causes asymmetrical, shallow skin lesions with loss of pain sensation.

Answer 5

Paucibacillary Hansen’s disease

Question 6

“feather test” provide evidence of early infection?

Answer 6

Hansen’s disease

Question 7

Bacillus anthracis is NOT a

Answer 7

obligate anaerobe

Question 8

woolsorter’s disease

Answer 8

pulmonary antrharax

Question 9

Clostridioides difficile produces

Answer 9

enterotoxin

Question 10

Clostridium tetani produces

Answer 10

neurotxin that binds to spinal cord AND inhibits skeletal muscle contraction

Question 11

Clostridium botulinum produces

Answer 11

neurotoxin that prevents acetylcholine release from motor neurons at neuromuscular junctions

Question 12

What does Clostridium perfringens do

Answer 12

infect deeper wound sites and produces exotoxins, enzymes, and gas that cause tissue and muscle necrosis

Question 13

Botulin is only produced under what conditions?

Answer 13

anaerobic conditions

Question 14

Clostridioides difficile is NOT caused by

Answer 14

ingestion of contaminated, improperly stored, cooked meats and gravies

Question 15

Listeria monocytogenes does NOT

Answer 15

produce endospores

Question 16

diphtheria is prevented by what?

Answer 16

DTaP immunization

Question 17

primary virulence factor of Corynebacterium diphtheriae

Answer 17

exotoxin

Question 18

can Hansen’s disease (leprosy) be cultured

Answer 18

cannot be cultured in a lab

Question 19

what is Mycobacterium avium complex (MAC)

Answer 19

common soil mycobacteria that frequently cause systemic infection and death in AIDS patients

Question 20

Mycobacterium kansasii

Answer 20

resembles TB

Question 21

diphtheria toxin is NOT

Answer 21

have an antitoxin (DAT) that comes from immunized human plasma donors

Question 22

healthy adults consume in order to contract botulism

Answer 22

Botulism toxin in contaminated food

Question 23

Mild, uncomplicated cases of C-diff infections may be treated by

Answer 23

withdrawl of antibiotics