Midterm SCI 225 Exam Questions With
Correct Answers 100% Verified.
Homeostasis - Answer✔Relatively stable internal conditions under fluctuating environmental
conditions. In homeostasis, the body's organ systems normally maintain temperature, pH,
blood composition, and fluid levels within a precise range and cor- rect any fluc
disease - Answer✔a deviation from normal structure or function in the body that interrupts or
modifies the performance of vital functions. For example, the amount of glucose in the blood is
tightly regulated to ensure that organs receive an adequate supply of energy.
Pathology - Answer✔Study of disease, epecially the structural and functional changes
assoicated with causes, mechaisms, signs, and symtpoms, treatments and prevention.
Health - Answer✔is the condition in which the human body per- forms its vital functions
normally. In health the body's various organ systems function optimally and a person can
participate fully in his or her life.
Prognosis - Answer✔a disease predicted course and outcome. The prognosis may state the
chances for complete recovery, predict the permanent loss of function, or give probability of
survival.
Diagnosis - Answer✔the process of identifying a disease or disorder. Several types of
information are used for diagnosis, including signs and symptoms, which can be quite specific
and therefore helpful for diagnosing certain diseases.
Acute Disease - Answer✔has a sudden onset and short duration. Influenza, measles, and the
common cold are examples of acute infections.
Terminal - Answer✔Disease that will end in death.
Chronic Disease - Answer✔has a slower, less severe onset and a long dura- tion of months or
years. Examples of chronic diseases include heart disease, cancer, stroke, diabetes, and
arthritis.
Exacerbation - Answer✔Signs and symptoms may grow more severe.
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Relapse - Answer✔The return of a disease weeks or months after its apparent cure.
Complication - Answer✔interfers with recovery from the original disease.
Sequela - Answer✔aftermath of a particular disease. Example sequel of polio is paralysis.
Remission - Answer✔signs and symptoms subside or disappear
Mortality - Answer✔Number of deaths that occur among people with a certain disease
Morbidity - Answer✔is the number of cases of a disease in a population
Prevalence - Answer✔is a percentage of a population that is affteced with a particular disease
at a given time
Incidence - Answer✔The number or rate of new cases of a particular condition during a specific
time.
Idiopathic - Answer✔a diseas that is not known is said to be.
Pathogenesis - Answer✔Cause of a disease leads to the anatommical and physiological changes
in the body that ulimately result in disease
Etiology - Answer✔important aspect of any disease
Palliative - Answer✔Provide comfort and relieve pain.
Phagocyte - Answer✔ingest and engulf foreign antigens and the
leukocytes that belong to this category
Interferons - Answer✔Antiviral proteins produced by some animal cells after viral infection.
Stimualte nearby cells to fight infection. Increase activity of natural killer cells and
macrophages.
Phagocytes - Answer✔Leukocytes (WBC)
Pathocytosis - Answer✔Leukocytes (white blood cells) such as macrophages and neutrophils
can engulf and destroy pathogens
Plasma - Answer✔contains the protein albumin, which promotes the blood's ability to hold
water and maintain pressure inside the blood vessels.
Histamines and kinins - Answer✔After an injury, damanged cells release potentional chemical
signals such as _________ causing teh chemicals in the blood vessel to dilate and become more
permenable, which causes cardunal signs and symtpoms of inflammations: redness, heat
swelling, and pain.