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Microbiology (Chapter 21)
Flashcards for Micro Chapter 21! :)
52
Microbiology
Undergraduate 2
04/30/2012

Additional Microbiology Flashcards

 


 

Cards

Term
Streptococcal Pharyngitis
Definition
  • Aka strep throat
  • Caused mainly by S. pyrogenes
  • Without treatment it can cause rheumatic fever
Term
Laryngitis and Epiglottis
Definition
  • Inflammation of the tissues rapidly closes the airway
  • Caused by H. influenzae and S. pneumoniae
  • Caused by just virus or viruses and bacteria
Term
Sinusitis
Definition
  • Swelling of sinus cavit linings slows or prevents drainage  and leads to pressure and severe pain
  • Chronic can cause polyps (smooth growths) to form
Term
Bronchitis
Definition
Swelling of the bronchi and bronichioles but not alveoli
Term
Bronchitis Causes
Definition
  • Old age
  • Smoking, air pollution, inhalation of particles
  • S. pneumoniae
  • Mycoplasma pneumoniae
  • Haemophilus
  • Moraxella
  • Streptococcus
  • Staphylcoccus
Term
Diptheria
Definition
  • An upper respiratory tract illness
  • Humans are the only natural hosts for C. diptheriae
  • The organism, damaged epithelial cells, fibrin and blood cells form a pseudomembrane
  • Can cause blockage of airway and suffocation
Term
Diptheroids
Definition
  • Corynebacteria found in or on body sites like the nose, throat, urinary tract, and skin
  • Not toxin producers
Term
Pharynx
Definition
Upper throat
Term
Larynx
Definition
(Voice box) contains the vocal cords
Term
Epiglottis
Definition
A flap of tissure that prevents food and fluids from entering the trachea (windpipe)
Term
Pharyngitis
Definition
  • Sore throat
  • An infection of the pharynx 
  • Frequently caused by a virus
Term
Laryngitis
Definition
An infection of the larynx, often with loss of voice
Term
Epiglottitis
Definition
An infection of the epiglottis which can close the airway and cause suffocation
Term
Diptheria
Definition
  • Fewer than 5 cases per year in the US
  • Adverse signs that follow the disease: myocarditis, polyneurtitis and neurologic problems

 

Term
Common Cold (Coryza)
Definition
  • Rhinoviruses are the most common cause
  • Coronaviruses are the second most common cause
  • 2-4 incubation period and lasts about a week
Term
Whooping Cough
Definition
  • Also called pertussis, highly contagious in humans
  • Bordetella pertussis: a small, aerobic, gram (+) coccobaccillus
Term
1st Stage of Pertussis
Definition
Catarrhal: characterized by fever, sneezing, vomiting, and a mild, dry persistent cough
Term
2nd Stage of Pertussis
Definition
Paroxysmal: begins as mucus and masses of bacteria fill the airway and immobilize the cilia with strong violent cough
Term
3rd Stage of Pertussis
Definition
Convalescent: enter this stage after 1-6 weeks. Secondary infections are common during this stage
Term
Pharyngititis Bacteria
Definition
Streptococcus pyogenes
Term
Pharyngitis Characteristics
Definition
  • Inflammation of the throat
  • Fever w/o cough or nasal discharge
Term
Sinusitis Bacteria
Definition
  • H. influenzae
  • S. pneumoniae
  • S. pyrogenes
  • S. aureus
Term
Sinusitis Characteristics
Definition
Inflammation of sinus cavities
Term
Diptheria Bacteria
Definition
Corynebacterium diptheriae
Term
Diptheria Characteristics
Definition
Inflammation of pharynx with pseudomembrane and systemic effects of toxin
Term
Common Cold Virus
Definition
  • Rhinoviruses
  • Coronaviruses
Term
Common Cold Characteristics
Definition
  • Sore throat
  • Malaise
  • Headache
  • Cough
Term
Mycobacterius tuberculosis
Definition
Causes tuberculosis
Term
Mycobacterium avium-intracellulare complex (MAC)
Definition
Causes tuberculosis in AIDS patients
Term
Psittacosis and Ornithosis
Definition
  • Parrot or bird fever
  • Caused by Chlamydia psittaci
Term
Coxiella burnetii
Definition
  • Causes Query fever
  • Survives long periods outside cells and can be transmitted aerially as well as by ticks
Term
Bordatella pertussis
Definition
Whooping cough
Term
Whooping Cough Characteristics
Definition
  • Catarrhal stage: fever, sneezing, vomiting, and mild dry cough
  • Praroxysmal stage: ropy mucus and violent cough
  • Convalescent stage: secondary characeristics
Term
Classic Pneumoniae
Definition
  • S. pneumoniae
  • S. aureus
  • Klebsiella pneumoniae
Term
Class Pneumoniae Characteristics
Definition
  • Inflammation of bronchi or alveoli of lungs with fluid accumulation and fever
Term
Mycoplasma pneumoniae
Definition
Mild inflammation of bronchi or alveoli
Term
Tuberculosis Bacteria
Definition
Mycobacterium tuberculosis
Term
TB Characteristics
Definition
Tubercles in lungs and sometimes other tissues
Term
Ornithosis Bacteria
Definition
Chlamydophila psittaci
Term
Ornithosis Characteristics
Definition
Pneumonia-like diseas transmitted to humans by birds
Term
Aspergillosis (Fungal) Characteristics 
Definition
Allergic asthmatic response to inhalation of spores or invasive infuction of lung (can cause asphyxiation)
Term
Streptococcus pyogenes
Definition
Rheumatic fever
Term
Rheumatic Fever Characteristics
Definition
  • Fever
  • Arthritis
  • Rash
  • Mitral valve damage due to immune reaction
Term
Bacterial Endocarditis Bacteria
Definition
Staphylococcus or Streptococcus
Term
Bacterial Endocarditis Characteristics
Definition
  • Inflammation of heart valves
  • Fever
  • Malaise
  • Bacteremia
  • Heart murmur
  • Congestive heart failure

 

Term
Schistomiasis Parasite
Definition
  • Schistosoma haematobium
  • S. mansoni
  • S. japonicum
Term
Schistomiasis Characteristics
Definition
  • Dermatitis from cercaria
  • Cirrhosis of liver from eggs
  • Allergic reactions to eggs
  • Tissue damage in intestine and urinary bladder
Term
Wucheria bancrofiti
Definition
  • Filariasis
  • Inflammation and blockage of lymph ducts, leading to elephantitis
Term
Bacillus anthracis
Definition
Anthrax
Term
Anthrax Characteristics
Definition
  • Cutaneous lesions become necrotic
  • Respiratory infection always fatal
  • Intestinal infections similar to food poisoning
Term
Yersinia pestis
Definition
Plague
Term
Plague Characteristics
Definition
  • Bubonic plague causes buboes
  • Septicemic plage occurs when organisms invade blood and cause necrosis
  • Pneumonic plage: inhalamtion of organisms causes pneumonia
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