Chapter 21

Question 1

R. typhi causes ____

Answer 1

typhus

Question 2

Chlamydias are obligate extracellular/intracellular?

Answer 2

intracellular

Question 3

chlamydias are gram ____

Answer 3

negative

Question 4

Chlamydia trachomatis is most common reportable sexually transmitted disease. It is also found in ___ and ____ systems of children

Answer 4

digestive and respiratory systems

Question 5

Chlamydia trachomatis can cause lymphogranuloma venereum, which causes the development of swollen ____ ____

Answer 5

lymph nodes

Question 6

Treponema (pathogen of humans only) is the causitive agent for _____

Answer 6

syphilis

Question 7

syphilis (from treponema) is what shape of cell?

Answer 7

spirochete

Question 8

Treponema pallidum pallidum is an obligate _____

Answer 8

parasite

Question 9

since treponema pallidum pallidum is a parasite, it can not be ____

Answer 9

cultured

Question 10

Primary syphilis is first stage of untreated syphilis and is usually a small chancre which goes away and is end of the disease for ___/___ (fraction) of cases

Answer 10

1/3

Question 11

in secondary syphilis, it invades the ____ and results in a widespread ____

Answer 11

bloodstream

rash

Question 12

latent syphilis has no ____ or ____

Answer 12

signs or symptoms

Question 13

latent syphiliss could last

Answer 13

30+ years

Question 14

tertiary syphilis is the most ____

Answer 14

dangerous

Question 15

Borrelia is a bacilli/spirochete?

Answer 15

spirochete

Question 16

borrelia burgdorferi causes which disease?

Answer 16

lyme disease

Question 17

borrelia burgdorferi uses manganese/magnesium instead of iron in proteins?

Answer 17

manganese

Question 18

borrelia burgdorferi is transmitted to humans via a ____ _____

Answer 18

tick bite

Question 19

hard ticks of the genus Ixodes is called a vector. t/f?

Answer 19

true

Question 20

Which stage of ticks life can it become infected?

Answer 20

2nd stage

Question 21

Which stage do spirochetes multiply in the tick?

Answer 21

3rd stage

Question 22

Which stage can ticks infect humans?

Answer 22

stage 5

Question 23

Phase 1 of untreated Lyme disease is marked by a ____ and what syptoms?

Answer 23

red bullseye rash

headaches, stiff neck, muscle/joint pain

Question 24

phase 2 of untreated lymes disease is marked by ___ symtoms

Answer 24

neurological

Question 25

Lyme disease more prevalent in the ____ of the US

Answer 25

northeast

Question 26

Vibrio cholerae has cholera toxin which binds to _____ epethelial celland causes an enzymatic reaction which causes _____

Answer 26

intestinal

diarrhea

Question 27

Helicobacter pylori causes gastritis and most ___ ____

Answer 27

peptic ulcers

Question 28

in the formation of peptic ulcers, the bacteria is covered by ____ which causes it to bury into pretective layer of stomach

Answer 28

urease

Question 29

Vibrios are gram ____

Answer 29

negative