EXAM 2 FINAL BUNDLED EXAMS
PACKAGE 2026 COMPLETE QUESTIONS
AND VERIFIED ANSWERS 100% CORRECT
GRADED A+
◉ Body's Natural Defenses Answer: -skin
-mucus membranes
-saliva/tears/sweat
-inflammation
-GI/GU (flushing)
-immune system
-respiratory tract (cilia/cough)
◉ What is the nurses role in infection control? Answer: assess,
education, use proper precautions
◉ Chain of Infection Answer: 1. Infectious Agent
2. Reservoir
3. Portal of Exit
4. Mode of Transmission
5.Portal of Entry
, 6. Susceptible Host
*goal is to break the chain
◉ Infectious Agent Answer: -bacteria, virus, protozoa, fungus
-resident flora: bacteria that is already present
-transient flora: attaches to the skin -> causes infection
-virulence: strength
◉ Reservoir Answer: -H2O, body fluids, animals, insects, food, people
-needs proper environment (temp, pH, light, O2)
◉ Portal of Exit Answer: -body fluids, respiratory tract, GI, GU, mucus
membranes, skin, blood, transplacental
◉ Mode of Transmission Answer: -direct contact: fecal-oral, shaking
hands (contact precautions
-indirect contact: objects, needles (contact precautions)
-droplet: 3ft travel, bigger (droplet precautions)
-airborne: smaller, evaporated droplets (airborne precautions)
◉ Tier 1 Answer: standard precautions: hand-washing, gloves, needle
safety, proper disposal of biohazard
◉ Tier 2 Answer: contact: gown and gloves (MRSA, VRE)