Study Guide, Detailed Rationales and Well
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factors affecting host susceptibility
CORRECT ANSWER:
- age
- intact/broken skin
- gender
- stress
- race
- genetics
- general health status
- immune status
- chronic diseases
components of the infection cycle** drag and drop test hint**
CORRECT ANSWER:
- infectious agent (virus, bacteria, fungus)
- reservoir (habitat of organism, ex: nose)
- portal of exit (how organism escapes, ex: resp tract)
- means of transmission (ex: direct contact, airborne)
- portal of entry (point where organism enters new host)
- susceptible host (person with weakened immune system)
common portals of exit
,CORRECT ANSWER:
- respiratory tract
- GI tract
- GU tract
- breaks in skin
- blood and tissue
stages of infection** drag and drop test hint**
CORRECT ANSWER:
- pre-exposure stage
- incubation period (no signs/symptoms)
- prodromal stage (early non-specific signs/symptoms, most
infectious stage)
- full stage of illness (specific signs/symptoms of disease)
- convalescent period (recovery)
Procedures requiring sterile technique
CORRECT ANSWER:
- insertion and care of indwelling urinary catheter
- surgical intervention & invasive procedures
- sterile dressing change
- preparing and injecting medicine
5 moments for hand hygiene (WHO)** test hint**
CORRECT ANSWER:
1. Before touching a patient
2. Before a clean or aseptic procedure
3. After body fluid exposure risk
4. After touching a patient
5. After touching patient surroundings
When to use soap and water for hand hygiene
CORRECT ANSWER:
,- visibly soiled hands
- contact with C. Diff
- before eating
- after using the bathroom
- before assisting with surgical procedure
when to use alcohol based hand sanitizer
CORRECT ANSWER:
- before/after patient contact
- after contact with body fluids if hands not visibly soiled
- after removing gloves
- after contact with items in patient's environment
- before donning sterile gloves
when to use gloves
CORRECT ANSWER:
- changing bed linens
- contact with C. Diff patients
risk factors for vancomycin-resistant enterococci (VRE)
CORRECT ANSWER:
- compromised immune system
- recent surgery
- invasive devices
- prolonged antibiotic use
- prolonged hospitalization
types of isolation** test hint**
CORRECT ANSWER:
- contact (gown and gloves, ex: VRE, MRSA)
- droplet (surgical mask, ex: bacterial pneumonia)
- airborne (N95 mask, negative pressure airflow, ex: Covid, TB)
sterile field rules
, CORRECT ANSWER:
- do not let a sterile package become damp or wet
- open sterile packages so first edge of wrapper is away from you
- always face a sterile field
- hold all sterile items above waist level
- place sterile items in the middle of the sterile field, consider outer
1" border "contaminated"
- do not spill any liquids, even sterile liquids, onto the sterile field
- do not cough, sneeze, or talk over the sterile field
- never reach over the sterile field
- if you know or think that the sterile field has been contaminated,
dispose and start over
factors affecting personal hygiene
CORRECT ANSWER:
- culture
- socioeconomic class
- spiritual practices
- developmental level
- health state
- personal preferences
peri care
CORRECT ANSWER:
Male:
- circular motion on tip of penis
- retract foreskin
- use strokes down the shaft
Female:
- always wipe front to back
Functions of the skin include: