Lecture 2 - Physical and Chemical Injury Trauma Flashcards
What are wounds?
Any injury that causes a break in the skin or other body membranes or in the underlying tissue
What are abrasions?
Superficial tearing of the skin
What are lacerations?
Tissues are torn rather than cut that can be irregular or deep
What are incisions?
Clean, surgical cuts that bleed freely
What are contusions or bruises?
Injuries that produce black and blue appearance at the site of injury caused by blunt force trauma
What are punctures?
Small surface opening with deep internal trauma
What are fractures?
Breaks in bones
What are concussions?
Injuries to the brain
What is a missile wound?
A wound caused by a flying object such as a stone, arrow or bullet
What is a first degree burn?
Superficial partial-thickness burn that affects the epidermis only
What is a second degree burn?
Deep partial-thickness burn that affects the epidermis and part of the dermis
What symptoms are associate with a second degree burn?
Red, blistered and painful
What is a third degree burn?
Full-thickness burn that destroys all skin layers and underlying tissue
What is a fourth degree burn?
Damage extends to underlying muscles and tissues
What is aplasia?
Congenital absence of an organ
What is hypoplasia?
Failure of an organ to reach full adult size
What is a growth disturbance?
Any type of lesion or tissue mass that is characterized by the proliferation of cells
What are the two categories of growth disturbances?
Hyperplasia and Neoplasia
What are benign tumors?
Slow growing, encapsulated growths that do not invade surrounding tissues
What are characteristics of Benign tumors?
They are slow growing and expand vs spread, do not reocur, are readily removable and only cause death if in a vital organ
What is a malignant tumor?
Radpid growing tumor that invades the surrounding tissues and can metastasize.
What are some other characteristics of malignant tumors?
Can reocur, can cause death of untreated and are non-encapsulated
What are the categories of tumors?
Carcinomas
Sarcomas
Lymphoma
Leukemia
What is a carcinoma?
Malignant neoplasm that arises from epithelial cells