ASU NUR 352 Exam 1 2025 2026 Practice Questions
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Comprehensive Nursing Concepts
Review
Based on ASU NUR 352 Exam 1 Study Material
Generated on: 2025-11-21
Section 1: Infection Control and Prevention
This section details the foundational principles of identifying, preventing, and controlling
infections in a healthcare setting. Understanding these concepts is critical for patient
safety and quality of care.
Assessment of Infection
A comprehensive assessment for infection involves three key components:
Thorough Health History: Gathering information about the patient's past and present
health status.
Physical Assessment: A systematic examination of the patient's body.
Collection of Subjective Data: Listening to and documenting the patient's own
description of their symptoms and feelings.
Rationale
A multi-faceted approach to assessment is essential because signs of infection
can be both overt and subtle. Relying on only one source of data can lead to
missed or delayed diagnosis.
Health History provides crucial context. A patient's recent travel, exposure to
sick individuals, vaccination status, chronic illnesses (like diabetes), or use of
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immunosuppressant medications can significantly increase their risk of
infection. This information guides the focus of the physical assessment.
Physical Assessment provides objective, measurable evidence. The nurse
looks for localized signs (redness, swelling, warmth, purulent drainage at a
wound site) and systemic signs (fever, tachycardia, hypotension, altered
mental status). This data confirms or refutes suspicions raised during the
health history.
Subjective Data (what the patient says) is vital for understanding the patient's
experience. A patient reporting "I just don't feel right," fatigue, chills, or localized
pain provides clues that may not be immediately visible. This is particularly
important for early detection before objective signs become apparent.
Healthcare-Associated Infections (HAIs) Risk Factors
HAIs are infections that patients acquire during the course of receiving healthcare
treatment for other conditions. Key risk factors include:
Long hospital stays
Presence of indwelling catheters (e.g., urinary, central venous)
Invasive procedures (e.g., surgery, intubation)
Improper hand hygiene by healthcare workers
Advanced age (elderly)
Overuse or improper use of antibiotics
Underlying diseases (comorbidities)
Immunocompromised state
Rationale
Understanding these risk factors allows healthcare providers to implement
targeted prevention strategies. Each factor compromises the body's natural
defenses or introduces pathogens into sterile environments.
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Long Hospital Stays & Invasive Procedures: The longer a patient is in a
hospital, the greater their exposure to a variety of pathogens. Invasive
procedures breach the body's primary defense mechanism—the skin—creating
a direct portal of entry for microorganisms.
Indwelling Catheters: Catheters provide a pathway for bacteria to travel from
outside the body into sterile areas like the bladder or bloodstream. Biofilms can
form on catheter surfaces, protecting bacteria from antibiotics and the immune
system.
Improper Hand Hygiene: This is the single most common mode of transmission
for HAIs. Healthcare workers' hands can carry pathogens from one patient to
another or from a contaminated environment to a patient.
Elderly Age & Underlying Disease: Older adults often have a weaker immune
response (immunosenescence) and multiple chronic illnesses, making them
more susceptible to infection. Conditions like diabetes impair circulation and
immune function.
Antibiotic Overuse: Widespread antibiotic use kills off beneficial bacteria in the
body, allowing resistant organisms like C. difficile or MRSA to flourish without
competition.
The Chain of Infection
The chain of infection is a model used to understand the transmission of a
communicable disease from its source to a susceptible host. All links in the chain must
be present for an infection to occur.
1. Infectious Agent: The pathogen (e.g., bacteria, virus, fungus, parasite,
protozoa).
2. Reservoir: The environment where the agent lives and multiplies (e.g.,
humans, animals, food, water, inanimate objects).
3. Portal of Exit: The path by which the agent leaves the reservoir (e.g.,
respiratory tract via coughing/sneezing, GI tract via feces, skin via open
wounds).
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Comprehensive Nursing Concepts
Review
Based on ASU NUR 352 Exam 1 Study Material
Generated on: 2025-11-21
Section 1: Infection Control and Prevention
This section details the foundational principles of identifying, preventing, and controlling
infections in a healthcare setting. Understanding these concepts is critical for patient
safety and quality of care.
Assessment of Infection
A comprehensive assessment for infection involves three key components:
Thorough Health History: Gathering information about the patient's past and present
health status.
Physical Assessment: A systematic examination of the patient's body.
Collection of Subjective Data: Listening to and documenting the patient's own
description of their symptoms and feelings.
Rationale
A multi-faceted approach to assessment is essential because signs of infection
can be both overt and subtle. Relying on only one source of data can lead to
missed or delayed diagnosis.
Health History provides crucial context. A patient's recent travel, exposure to
sick individuals, vaccination status, chronic illnesses (like diabetes), or use of
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immunosuppressant medications can significantly increase their risk of
infection. This information guides the focus of the physical assessment.
Physical Assessment provides objective, measurable evidence. The nurse
looks for localized signs (redness, swelling, warmth, purulent drainage at a
wound site) and systemic signs (fever, tachycardia, hypotension, altered
mental status). This data confirms or refutes suspicions raised during the
health history.
Subjective Data (what the patient says) is vital for understanding the patient's
experience. A patient reporting "I just don't feel right," fatigue, chills, or localized
pain provides clues that may not be immediately visible. This is particularly
important for early detection before objective signs become apparent.
Healthcare-Associated Infections (HAIs) Risk Factors
HAIs are infections that patients acquire during the course of receiving healthcare
treatment for other conditions. Key risk factors include:
Long hospital stays
Presence of indwelling catheters (e.g., urinary, central venous)
Invasive procedures (e.g., surgery, intubation)
Improper hand hygiene by healthcare workers
Advanced age (elderly)
Overuse or improper use of antibiotics
Underlying diseases (comorbidities)
Immunocompromised state
Rationale
Understanding these risk factors allows healthcare providers to implement
targeted prevention strategies. Each factor compromises the body's natural
defenses or introduces pathogens into sterile environments.
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Long Hospital Stays & Invasive Procedures: The longer a patient is in a
hospital, the greater their exposure to a variety of pathogens. Invasive
procedures breach the body's primary defense mechanism—the skin—creating
a direct portal of entry for microorganisms.
Indwelling Catheters: Catheters provide a pathway for bacteria to travel from
outside the body into sterile areas like the bladder or bloodstream. Biofilms can
form on catheter surfaces, protecting bacteria from antibiotics and the immune
system.
Improper Hand Hygiene: This is the single most common mode of transmission
for HAIs. Healthcare workers' hands can carry pathogens from one patient to
another or from a contaminated environment to a patient.
Elderly Age & Underlying Disease: Older adults often have a weaker immune
response (immunosenescence) and multiple chronic illnesses, making them
more susceptible to infection. Conditions like diabetes impair circulation and
immune function.
Antibiotic Overuse: Widespread antibiotic use kills off beneficial bacteria in the
body, allowing resistant organisms like C. difficile or MRSA to flourish without
competition.
The Chain of Infection
The chain of infection is a model used to understand the transmission of a
communicable disease from its source to a susceptible host. All links in the chain must
be present for an infection to occur.
1. Infectious Agent: The pathogen (e.g., bacteria, virus, fungus, parasite,
protozoa).
2. Reservoir: The environment where the agent lives and multiplies (e.g.,
humans, animals, food, water, inanimate objects).
3. Portal of Exit: The path by which the agent leaves the reservoir (e.g.,
respiratory tract via coughing/sneezing, GI tract via feces, skin via open
wounds).
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