chapter 4 key terms Flashcards
homeostasis
the condition in which all of the body’s systems are working at their best
metabolism
physical and chemical processes by which substances are broken down or transformed into energy or products for use by the body
dilate
to widen
constrict
to narrow
atrophy
the wasting away, decreasing in size, and weakening of muscles from lack of use
contracture
the permanent and often painful shortening of a muscle or tendon, usually due to lack of activity
inflammation
swelling
autoimmune illness
an illness in which the body’s immune system attacks normal tissue in the body
rheumatoid arthritis
a type of arthritis in which joints become inflamed, red, swollen, and very painful, resulting in restricted movement and possible deformities
osteoarthritis
common type of arthritis that usually affects the hips, knees, fingers, thumbs, and spine; also called degenerative joint disease (DJD) or degenerative arthritis
osteoporosis
a disease that causes bones to become porous and brittle, causing them to break easily
menopause
the end of menstruation; occurs when a woman has not had a menstrual period for 12 months
partial weight-bearing (PWB)
a doctor’s order stating that a person is able to support some body weight on one or both legs
non-weight-bearing
a doctor’s order stating that a person is unable to touch the floor or support any body weight on one or both legs
full-weight-bearing
a doctor’s order stating that a person has the ability to support full body weight (100%) on both legs
hemiplegia
paralysis on one side of the body
hemiparesis
weakness on one side of the body
expressive aphasia
trouble communicating thoughts through speech or writing
receptive aphasia
difficulty understanding spoken or written words
emotional lability
inappropriate or unprovoked emotional responses, including laughing, crying, and anger