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NR 283 Exam -1 Questions and Complete Solutions Graded A+
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NR 283 Exam -1 Questions and Complete Solutions Graded A+
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NR 283 Exam #1Questions and Complete
Solutions Graded A+
Pathophysiology - Answer: the study of how disease processes affect the function of the body
How is homeostasis maintained? - Answer: negative feedback loops
Diagnosis - Answer: identification of a disease
Etiology - Answer: cause of disease
Idiopathic - Answer: unknown cause
prophylaxis - Answer: prevention of disease
Pathogenesis - Answer: development of disease
Prognosis - Answer: a forecast of the probable course and outcome of a disease or situation
Morbidity - Answer: the disease rates within a group
Epidemic - Answer: A widespread outbreak of an infectious disease.
Atrophy - Answer: decrease in cell size. Ex: shrinkage of skeletal muscle that occurs when a limb is
immobilized in a cast for several weeks.
, Dysplasia - Answer: cells vary in size and shape, large nuclei present, rate of mitosis is increased. Pap
smear tests for this on cervical cells.
Hyperplasia - Answer: increased number of cells resulting in an enlarged tissue mass. Ex: uterine
enlargement in pregnancy.
Metaplasia - Answer: when one mature cell type is replaced by a different mature cell type. ex: change
in respiratory tracts in cigarette smokers.
Anaplasia - Answer: refers to cells that are undifferentiated with variable nuclear and cell structures and
numerous mitotic figures. Ex: malignant tumors
Hypoxia - Answer: reduced oxygen in the tissue.
-interferes with ATP production in the cell, leading to loss of sodium pump out the cell membrane as
well as loss of cell functions.
Ischemia - Answer: blockage that impedes blood flow
Necrosis - Answer: tissue death ex: ischemia
Apoptosis - Answer: programmed cell death, a normal occurrence
How to temperature extremes affect the body's cells? - Answer: Heat may impair blood supply to the
cells or affect metabolic processes.
Osmosis - Answer: movement of water from low solute concentration (ISF) to high concentration (blood)
Diffusion - Answer: movement of solutes (e.g. Na+, glucose) from high concentration to low.
hydrostatic pressure - Answer: the push force within a blood vessel
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