The health care provider explains to the patient that some elements of the blood, such as ________ prevent clotting during normal circulation.
Fill in the blank(s) with the appropriate word(s).
heparin
Heparin prevents clots from forming during normal circulation.
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Which of the following pathological conditions is the loss of half the visual field, often due to a stroke?
A) nystagmus B) photophobia C) hemianopia D) strabismus
One mechanism that viruses use to avoid the immune response is to bind up immune effector molecules. All of the following methods are used by antibodies to block viral infection EXCEPT
A. antibodies bind to and coat virus particles, preventing viral ligands from binding to cell receptors. B. antibodies trigger complement, which can lyse viral particles or recruit opsonins. C. antibodies stimulate activation of cytotoxic T cells. D. antibodies aid in phagocytosis. E. antibodies compete for binding with viral ligands.
Which medical condition has occurred when bones lose their mineral density and become soft and more susceptible to injury?
a. osteoarthritis b. lupus c. osteoporosis d. ligament strain e. rheumatoid arthritis
Answer the following statement(s) true (T) or false (F)
1. Overuse problems commonly occur at the beginning of a new exercise program and account for the majority of injuries.