Exam 3 MBI 111 || All Questions Answered Correctly.
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Course
MBI 111
Institution
MBI 111
Rheumatic fever is a consequence of correct answers an immune reaction following strep throat, resulting in damage to heart valves
Diseases caused by Streptococcus pneumoniae include correct answers otitis media,
meningitis,
lobar pneumonia, bronchial pneumonia
Which group is at greatest r...
Exam 3 MBI 111 || All Questions Answered Correctly.
Rheumatic fever is a consequence of correct answers an immune reaction following strep throat,
resulting in damage to heart valves
Diseases caused by Streptococcus pneumoniae include correct answers otitis media,
meningitis,
lobar pneumonia, bronchial pneumonia
Which group is at greatest risk for B Streptococcus infection? correct answers neonates
Pertussis has all of the following characteristics: correct answers 1. the pathogen has virulence
factors to destroy the action of respiratory cilia
2. the early stage resembles a cold with nasal discharge and sneezing
3. DTaP immunization will prevent it
4. transmission is by respiratory droplets
Tuberculin skin testing: correct answers 1. injects PPD intradermally
2. uses a purified protein filtrate of Mycobacterium tuberculosis
3. will be positive if the person has had previous exposure
4. will be positive in active TB
characteristics of tuberculosis: correct answers 1. live bacilli can remain dormant in the lungs
and reactivate later in life
2. symptoms of active TB include low grade fever, coughing, fatigue, weight loss, and night
sweats
3. lung infection can disseminate to many other organs in extra pulmonary TB
4. BCG vaccine is used in other countries
identify all correct statements about influenza virus: correct answers 1. antigenic shift reassorts
the genes of different influenza strains, antigenic drift is a gradual accumulation of mutations
2. infection with influenza increases the chances of developing secondary bacterial pneumonia
3. Influenza has glycoprotein spikes of hemmagglutinin (H) and neuraminidase (N)
True statements about diseases caused by Streptococcus: correct answers 1. strep throat and
scarlet fever are caused by Streptococcus. in scarlet fever the bacterium produces erythrogenic
exotoxin
2. erysipelas can develop following Stretococcus infection of abrasions
3. it is difficult to become immune to strep throat, since more than 60 types of M protein (a
virulence factor) can be produced by Streptococcus
4. necrotizing fasciitis (flesh eating bacterium) can be caused by a rare type of Streptococcus
An exterminator developed mild flu-like symptoms after working in a building infested with
rodents. Symptoms progressed rapidly and the patient died. Autopsy revealed a massive fluid
accumulation in the lungs. This patient suffered from _____. correct answers hantavirus
pulmonary syndrome
, The elderly patient experienced a high fever and sharp chest pains. Breathing became difficult
and the sputum was rust-colored. Gram-positive diplococci, but no acid-fast bacilli were
observed microscopically in the sputum. This patient suffered from _____. correct answers
pneumococcal pneumonia
german measles is similar to measles because correct answers a skin rash occurs in both disease
Reye's syndrome involves correct answers 1. aspirin use
2. a febrile viral illness such as influenza or chickenpox
3. fatty degeneration of liver, brain, and kidney
4. children and adolescents
correct statements about MMR immunization correct answers 1. contains attenuated virus
2. is given in early childhood
3. protects against 3 different viral diseases
What is rubella associated with correct answers congenital transmission causing miscarriage,
deafness, and cardiac and mental defects.
Toxin of Staphylococcus aureus strains that causes blisters and desquamation of skin in scalded
skin syndrome is: correct answers exfoliative toxin
all properties that infections with tetanus and gas gangrene have in common: correct answers 1.
develop from infections
2. require anaerobic growth of organism
3. can be acquired from endospores in the environment
in cases of tetanus, appropriate treatment consists of correct answers antibiotic and antitoxin
factors that influence the incubation period for rabies correct answers proximity of the bite to the
central nervous system and the amount of virus introduced to the bite wound
Treatment of an animal bite for possible rabies includes: correct answers 1. debridement
2. washing the bite with soap or detergent
3. infusing the wound with human rabies immune globulin
4. postexposure vaccination with inactive vaccine
characteristics of anthrax: correct answers 1. zoonosis
2. transmitted by contact, inhalation, and ingestion
3. a disease that, in humans, can cause a rapidly fatal toxemia d septicemia
4. only seen sporadically in the USA
5. caused by spore-forming bacterium
You observed in a patient the following symptoms: red patches with white grain-like centers
appear along the gumline in the mouth; two days later, a rash breaks out at the hairline, then
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