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Questions and Answers
Which of the following practices is NOT part of standard precautions?
Which of the following practices is NOT part of standard precautions?
Which statement accurately describes the difference between medical asepsis and surgical asepsis?
Which statement accurately describes the difference between medical asepsis and surgical asepsis?
What type of protective equipment is required for airborne precautions?
What type of protective equipment is required for airborne precautions?
Which factor can indicate that sterility has been compromised?
Which factor can indicate that sterility has been compromised?
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Which emerging infectious disease is associated with antibiotic resistance?
Which emerging infectious disease is associated with antibiotic resistance?
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Which method is NOT typically used to practice medical asepsis?
Which method is NOT typically used to practice medical asepsis?
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Which of the following is a key nursing intervention for infection control?
Which of the following is a key nursing intervention for infection control?
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What is the main goal of using contact precautions?
What is the main goal of using contact precautions?
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What is a major characteristic of adaptive immunity?
What is a major characteristic of adaptive immunity?
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Which of the following represents a component of respiratory hygiene?
Which of the following represents a component of respiratory hygiene?
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Which stage of infection is characterized by the presence of mild and early symptoms?
Which stage of infection is characterized by the presence of mild and early symptoms?
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What is the purpose of patient education in infection control?
What is the purpose of patient education in infection control?
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How does a compromised immune system affect the risk of infection?
How does a compromised immune system affect the risk of infection?
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Which of the following correctly describes latent infections?
Which of the following correctly describes latent infections?
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In the chain of infection, what does the 'portal of exit' refer to?
In the chain of infection, what does the 'portal of exit' refer to?
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What is a common symptom of systemic infections?
What is a common symptom of systemic infections?
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What type of immunity involves B cells and T cells?
What type of immunity involves B cells and T cells?
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Which factor is NOT commonly associated with an increased risk of developing infections?
Which factor is NOT commonly associated with an increased risk of developing infections?
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Which type of infection has a rapid onset and short duration?
Which type of infection has a rapid onset and short duration?
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In which stage of infection is the immune response beginning to take effect, leading to a decrease in symptoms?
In which stage of infection is the immune response beginning to take effect, leading to a decrease in symptoms?
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Study Notes
Unit 2: Asepsis and Infection Control
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Differentiating the Body's Natural Defenses Against Infection
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Components of the Three Defenses:
- Physical and Chemical Barriers: Skin, mucous membranes, and stomach acid
- Innate Immune System: Phagocytes, natural killer cells, and inflammation
- Adaptive Immune System: B cells and T cells
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Types of Immunity:
- Innate Immunity: Immediate, non-specific defense
- Adaptive Immunity: Specific defense with memory, involving humoral (B cells) and cell-mediated (T cells) immunity
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Components of the Three Defenses:
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Factors Increasing Infection Risk
- Compromised immune system
- Chronic diseases (e.g., diabetes, HIV)
- Poor hygiene
- Age (very young or elderly)
- Hospitalization or surgical procedures
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Stages of Infection
- Incubation: Pathogen entry to symptom onset
- Prodromal: Early, mild symptoms
- Illness: Severe and specific symptoms
Localized vs. Systemic Infections
- Localized Infections: Redness, swelling, warmth, pain, pus
- Systemic Infections: Fever, chills, fatigue, body aches
Infection Classifications
- Acute: Rapid onset, short duration
- Chronic: Slow progression, long duration
- Latent: Dormant periods with potential reactivation
Chain of Infection
- Infectious Agent: Pathogen causing disease
- Reservoir: Where the pathogen lives
- Portal of Exit: Pathway pathogen leaves the reservoir
- Mode of Transmission: How the pathogen spreads
- Portal of Entry: Pathway pathogen enters a new host
- Susceptible Host: Individual at risk
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Description
This quiz covers key concepts in Unit 2 focused on asepsis and infection control. Explore the body's natural defenses against infections, the types of immunity, factors that increase infection risk, and the stages of infection. Perfect for students learning about immunology and infection prevention.
