GCU BIO-322 Topic 1a Cell Injury Review

GCU BIO-322 Topic 1a Cell Injury Review

aerobic respiration Correct Answers Respiration that requires
oxygen

anabolic reactions Correct Answers consume energy
"building"

anaerobic respiration Correct Answers Respiration that does
not require oxygen

anoxia Correct Answers total lack of oxygen

ex. embolus=MI, CVA, PE

atrophy Correct Answers decrease in cell size

Calories deficiency (proteins, fats, sugars) Correct Answers
marasmus

caseous necrosis (cheese) Correct Answers MC with TB-lungs
combo of coagulative and liquefactive

catabolic reactions Correct Answers release energy
"break down"

cell death Correct Answers necrosis (BAD)-inflammation, cell
swelling, passes to neighbor cells

apoptosis (GOOD)-cell shrinkage, cell suicide

, Cell Stressors = Causes of Cell Injury Correct Answers
Hypoxic Injury
Trauma
Oxidative Stress
Radiation
Nutritional Imbalances
Chemical Injury
Infections Agents
Temperature

cellular response to stress Correct Answers reversible inujury-
goes back to normal
cellular adaptation
irreversible injury-cell death

Coagulative necrosis Correct Answers MC in Kidney, Heart,
Skin
cause: hypoxia/ischemia/anoxia=infarction
tissue is pale

dry gangrene Correct Answers due to coagulative necrosis
skin dries and shrinks
turns brown/black

Dysplasia Correct Answers abnormal development or growth
of cells, tissues, or organs
ex. tumor, cancer

effects of hypoxic cell injury Correct Answers 1. ATP
depletion: anaerobic metabolism - until glycogen stores are
depleted, Na/K ATPase & Ca ATPase are affected, increased