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Questions and Answers
What is the primary cause of pneumonia?
What is the ability of bacteria to enter and colonize host tissues called?
Which of the following is an example of indirect contact transmission?
What is the primary purpose of a culture in diagnosing bacterial infections?
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What is the term for the ability of bacteria to cause disease?
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Which of the following is an example of airborne transmission?
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What is the term for the ability of bacteria to cause disease in a susceptible host?
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Which bacteria is primarily responsible for causing tuberculosis?
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What is the term for the infection of the membranes surrounding the brain and spinal cord?
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Which of the following is an example of vector-borne transmission?
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Study Notes
Bacterial Infections
Types of Bacterial Infections
- Pneumonia: Infection of the lungs, often caused by Streptococcus pneumoniae, Haemophilus influenzae, or Mycoplasma pneumoniae.
- Meningitis: Infection of the membranes surrounding the brain and spinal cord, often caused by Neisseria meningitidis, Streptococcus pneumoniae, or Haemophilus influenzae.
- Tuberculosis (TB): Chronic infection caused by Mycobacterium tuberculosis, primarily affecting the lungs.
- Urinary Tract Infections (UTIs): Infection of the bladder, kidneys, or urethra, often caused by Escherichia coli, Staphylococcus saprophyticus, or Klebsiella pneumoniae.
Characteristics of Bacterial Infections
- Infectivity: Ability of bacteria to enter and colonize host tissues.
- Virulence: Ability of bacteria to cause disease.
- Pathogenicity: Ability of bacteria to cause disease in a susceptible host.
Transmission of Bacterial Infections
- Direct contact: Touching or shaking hands with an infected person.
- Indirect contact: Touching contaminated surfaces or objects.
- Airborne transmission: Inhaling bacteria-laden droplets.
- Vector-borne transmission: Through insect bites or stings.
- Contaminated food and water: Consuming food or water contaminated with bacteria.
Diagnosis and Treatment
- Cultures: Growing bacteria in a laboratory to identify the species.
- Antibiotics: Medications that target specific bacterial species or types.
- Supportive care: Managing symptoms and preventing complications.
Prevention and Control
- Vaccination: Preventing infection through immunization.
- Hygiene: Practicing good hand hygiene and proper food handling.
- Isolation: Separating infected individuals to prevent transmission.
- Contact tracing: Identifying and monitoring individuals in close contact with infected persons.
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Description
Test your knowledge of bacterial infections, including types, characteristics, transmission, diagnosis, treatment, prevention, and control. Learn about pneumonia, meningitis, tuberculosis, UTIs, and more.
