Microorganisms that are capable of producing disease, such as bacteria and viruses, are called:
a. pathogens. c. germs.
b. infections. d. microbes.
a
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What is a difficulty in relying on referent values or cutoffs in converting a numerical test results into a yes-or-no clinical diagnosis?
A) Test results can fall beyond the cutoff values, leaving the diagnostic question unanswered. B) The cutoff value is patient-specific and must be calculated for each individual patient. C) The value considered to be the cutoff is variable depending on the prescribing physician. D) There is a range of test result values that are shared between those with and without the condition.
AV grafts and fistulas have a noticeable prolonged pulsation, called a ____, as the blood flows through the graft or fistula.
A. bruit B. graft thrill C. shunt D. flapper pulse
If suctioning of the tracheostomy tube is necessary, the EMT should:
A. attach a bag-mask device to the tracheostomy tube and hyperventilate the patient for 2 minutes. B. instill 20 mL of saline into the tracheostomy tube and suction for no longer than 20 seconds. C. attempt to use the patient's suction device first because it is probably already sized correctly. D. insert the suction catheter to a depth of no more than 15-cm and set the suction unit to 140 mm Hg.
Which of the following terms indicates inflammation is present as part of the condition?
A) Cellulitis B) Cardiomegaly C) Lithiasis D) Bronchiectasis