chapter 4: Chemical injuries, Infectious injury, Necrosis and Apoptosis

Lead poisoning affects what system? Give example also.

Older paints. Affects nervous system, kidneys, hemapoetic tissues, red marrow

Carbon monoxide s/s and examples.

Fuel burning appliances. Binds to hemoglobin. S/s include nausea, weakness, tinnitus, vomiting

Alcohol/Ethanal affects what organs

Liver, pancreas, esophagus

Subdural hematoma

Blows, falls and acceleration/deceleration

Epidural hematoma

Skull fractures

Abrasion

Scraping/tearing

Laceration

Tear/rip

Incised wounds

Longer than deep

Stab wounds

Deeper than long

Puncture

Sharp point object

Chopping wounds

Combo of blunt and sharp force

intermediate range entrance wound

tattooing snd stippling

Inderminate range entrance wound

No gunpowder entering

Shored exit wound

Exit point contacting hard object

Manifestations of cellular injury are usually due to what

Hypoxic cell injury

Lipofuscin

Aging spots

Dystrophic calcification

Occurs in dying and dead tissues

Metastatic calcification

Deposits in undamaged tissues due to hypercalcemia due to hyperthyroidism

Coagulative necrosis

Protein denaturation. Occurs in kidneys, heart, and adrenal glands and is a characteristic of hypoxic injury

Liqefactive necrosis

Occurs in the neurons and glial cells of the brain due to ischemic injury. Due to hydrolytic enzymes and bacterial infections

Caseous necrosis

Due to tuberculosis. Occurs in the ghon complex. Combo of coagulative and liqefactive necrosis

Fat necrosis

Occurs in breasts, pancreas, other abdominal organs. Due to the action of lipases. Soponification

Dry gangrene necrosis is due to what type of necrosis

Coagulative

Gas necrosis is due to what

Bacterial infection