Exam #4 Review — Concepts 1 (ATI / Potter & Perry
Style)
🩺 **Delegation Principles**
• RN – DO NOT delegate: Assessment, Evaluation, Critical Thinking,
Teaching, or Blood Transfusions.
• LPN – Cannot: Evaluate, Assess, or Teach (EAT). May administer meds,
reinforce teaching, suction/trach care on stable patients.
• UAP – May: Bathe, dress, ambulate, toilet, position, take vitals on stable
patients, feed (no dysphagia), make beds, collect specimens.
🩺 **Infection Control & Hand Hygiene**
Method When Used Steps
Soap & Water After body fluids,
eating, restroom,
leaving airborne room
≥20 sec, warm water,
dry w/ paper towel, use
towel to turn off faucet
Alcohol-Based Sanitizer When not visibly soiled Use 3–5 mL and rub
until dry
**Chain of Infection:** "I Really Prefer Making People Sick" — Infectious
Agent → Reservoir → Portal of Exit → Mode of Transmission → Portal of Entry
→ Susceptible Host.
**HAIs:** CAUTI, CLABSI, SSI, VAP, HAP, CDI.
🩺 **Stages of Infection**
Mnemonic: "I Pee In Cows"
Stage Description
Incubation Pathogen present, no symptoms.
Prodromal Mild, nonspecific symptoms.
Illness Peak symptoms, most contagious.
Convalescence Recovery, symptoms improve.
Localized infection: redness, swelling, warmth. Systemic infection: fever,
chills, fatigue.
