MICR 290 Final Exam - Verified Questions & A+
Answers –University
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Version: Final 1.1
,Streptococcus pneumoniae - ✔✔-also called pneumococcus
-leading cause of meningitis in children and elderly
-capsule, enzymes, toxins and phosphorycholine
-grows in mouths and throats of 75% of humans without causing harm; nut when immune responses are not fully active
can cause meningitis.
Haemophilus influenzae - ✔✔-pleomorphic bacillus
-obligate parasite of humans and some animals
-used to be leading cause of meningitis but childhood vaccine reduced the number of such cases by 90%
Listeria monocytogenes - ✔✔-enters the body in contaminated food or drink.
-can occur in pregnant women, fetuses, newborns and the elderly or immunocompromised.
-not transmitted among humans except mother to fetus
Streptococcus agalactiae - ✔✔-normal vaginal microbiota in come women
-leading cause of bacterial meningitis in newborns in the united states
Hansens disease (leprosy) - ✔✔-caused by mycobacterium leprae
-tuberculoid leprosy; non-progressive form of the disease
-lepromatous leprosy; more virulent form of the disease
-transmitted person to person contact via respiratory droplets
Botulism - ✔✔-caused by clostridium botulinum
-3 kinds of botulism: wound botulism, infant botulism, foodborne botulism
-results in progressive paralysis on both sides of body
-infants under 1 YO should not consume honey
Tetanus - ✔✔-caused by Clostridium tetani
-tightening of the jaw
; spasm, and contractions
-can aquire through break in skin or mucous membrane
, viral meningitis - ✔✔-caused by enteroviruses
-spread via fecal contamination of food, water, or hands
-spread via respiratory droplets
-absence of bacteria in the csf
Folliculitis - ✔✔most commonly caused by Staphylococcus epidermidis and staphylococcus aureus
Staphylococcal Scalded Skin Syndrome - ✔✔Staphylococcus aureus
Impetigo (pyoderma) - ✔✔Most cases caused by S. aureus and Streptococcus Pyogenes
necrotizing fasciitis - ✔✔Most cases caused by S. pyogenes
Acne - ✔✔Propionibacteria which are normal members of microbiome
Cat Scratch Disease - ✔✔Bartonella henselae
Pseudomonas infection - ✔✔-Pseudomonas aeruginosa
-infection can occur in burn victims
Spotted Fever Rickettsiosis - ✔✔-caused by Rickettsia rickettsii
-Rocky Mountain Spotted fever is most severe
-Transmitted via bite by infected tick
Cutaneous anthrax - ✔✔-Caused by Bacillus anthracis
-Characterized by an eschar
-endospores often shed by an infected animal, enter a wound in the skin
gas gangrene - ✔✔-caused by clostridium perfringens
-Traumatic event must introduce endospores into dead tissue.