HCA201B - STUDY FINAL NOTES (WRITTEN) questions and answers

HCA201B - STUDY FINAL NOTES
(WRITTEN) questions and answers

1.​ Defence Mechanisms? (Immunity) - ANSWER-Nonspecific Immunity:
-Body's reaction to any thing it doesn't recognize as normal body substance

Two lines of defence in fighting threats:

-First line of defence:
Mechanical barriers - intact skin and mucous membranes
Chemical barriers - tears, stomach acids saliva, perspiration
Reflexes - coughing, sneezing, vomiting, and diarrhea

-Second line of defence:
Phagocytes - white blood cells that digest and destroy micro-organisms
Inflammation - when tissues are injured or irritated
Fever - stimulates phagocytosis (the ingestion of bacteria and decreases the
ability of certain pathogens to multiply)
2.​ Immune System? - ANSWER--Protects the body from disease and infection
-Defends the body against threats from inside and outside

Some of these threats:
-Pollens
-Toxins
-Own cells that have become abnormal (cancer)
3.​ Signs & Symptoms of Hyperglycemia? - ANSWER--Tiredness/Fatigue
-Hunger
-Thirst
-Frequent urination
-Leg cramps
-Blurred vision
-Dry, itchy skin
-Flulike achiness
-Sweet breath odor
-Headache
-Flushed face
-Rapid, weak pulse
-Low blood pressure
-Slow, deep, labored breathing
-Confusion
-Nausea/Vomiting