Immune system
What type of immunity is gained after receiving a vaccine
Active acquired immunity
What is the primary function of the lymphatic system
Drain excess fluid and support immune function
What are the main points to focus on for wound assessment
Colour, Odour, Consistency and amount
What is the single most effective method of preventing infection
Hand hygiene
A patient has mild redness around wound but no fever. What is this likely
Normal inflammatory
Which white blood cell is the body's first line of defense during infection
Neutrophils
What organ filters blood and removes old red blood cells
The spleen
A stage 2 pressure injury affects which layers of the skin
Epidermis & dermis
What type of isolation is needed for a patient with C.Difficile
Contact precautions
A student nurse contaminates the sterile field. What should they do
Stop and re-establish a new sterile field
What is an antigen
A foreign substance that triggers an immune response
What is lymph
Clear fluid containing WBCs that circulates through lymph vessels
What type of dressing is best for moderate to heavy drainage
Alginate dressing
How long should proper handwashing last?
40 seconds
A client reports chills and fever after surgery. What should the LPN do
Notify RN/MD-possible systemic infection
Name the two types of lymphocytes involved in adaptive immunity
B & T cells
Name one major site where lymphocytes mature
Thymus (T Cells)
What are the 3 phases of wound healing
Inflammatory, proliferative and maturation
What is the difference between cleaning and disinfecting
Cleaning removes dirt; disinfecting kills microorganisms
A patient has swollen lymph nodes in the neck. What does this usually indicate
Local infection or immune response
What is the main function of antibodies
Neutralize pathogens and help destroy them
What structure filters lymph and traps pathogens
Lymph nodes
What type of healing occurs when a wound is left open to heal from the inside out
Secondary intention
Name two examples of airborne(aerosol) transmitting infections requiring precautions
TB, measles & varicella
During wound care, the LPN notices purulent drainage. What is the nect step
Stop, assess, document and notify RN/MD-Sign of infection