Quiz #2 Flashcards
Hypersensitivity Reaction
An altered immunologic response to an antigen that results in disease or damage to the host
Can ANAPHYLAXIS be life-threatening?
YES
What is the most severe manifestation of an ALLERGY?
ANAPHYLAXIS
Autoimmunity
Breakdown of tolerance during which the body’s immune system begins to recognize self-antigens as foreign
Alloimmunity
Individual’s immune system reacting against antigens on the tissues of other members of the same species — e.g. transfusion reactions
What are two significant effects of INFECTIOUS DISEASE?
DEATH and MORBIDITY
When does a person experience STRESS?
A person experiences stress when a demand exceeds the person’s coping abilities
What do STRESS and NEGATIVE EMOTIONS do?
Stress and negative emotions increase levels of PROINFLAMMATORY CYTOKINES, providing a possible link among stress, immune function, and disease
What is a significant clinical manifestation of HYPOVOLEMIC SHOCK?
Rapid heart rates - TACHYCARDIA
NEUROGENIC (vasogenic) SHOCK
Widespread vasodilation occurs from an imbalance between parasympathetic and sympathetic stimulation
What does NEUROGENIC (vasogenic) SHOCK cause?
Persistent vasodilation and relative hypovolemia
How do we treat ANAPHYLACTIC SHOCK?
Epinephrine
Antihistamines and steroids: stops inflammatory reaction
SEPTIC SHOCK
ANTI-INFLAMMATORY MEDIATORS are released: IL-4, IL-10, IL-13, epinephrine, nitric oxide, etc.
How do we treat SEPTIC SHOCK?
Start ANTIBIOTICS IMMEDIATELY
Primary MODS
Injury directly associated with HYPOPERFUSION (not enough blood/oxygen)