In MRI, the primary visual factor is often called
a. linearity.
b. geometric shape.
c. resolution.
d. brightness.
d. brightness.
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During an altercation, your patient was cut with a sharp knife. Your assessment reveals a laceration across the right eyelid down to the right cheek that is oozing dark red blood. It also appears that the patient's eye was cut with the knife. You would:
a. apply direct pressure to the eyelid and the eye to control the bleeding. b. apply cold packs to the eyelid to decrease swelling. c. clean the incisions with sterile water. d. cover both eyes with a sterile dressing.
A physician orders 2 L/min O2 through a simple mask to a 33-year-old postoperative woman with moderate hypoxemia breathing room air (PaO2 = 52 mm Hg). What would be the correct action at this time?
a. Carry out the physician's prescription ex-actly as written. b. Recommend that the mask be changed to a cannula at 2 L/min. c. Recommend a flow of at least 5 L/min to washout carbon dioxide (CO2). d. Do not apply the O2 until the medical di-rector has been contacted.
In a healthy adult, what percent of the total FVC should be exhaled in 2 seconds?
A. 94% B. 75% C. 97% D. 83%
It is not necessary to disinfect the hemacytometer and cover glass since only diluted blood is used.
Answer the following statement true (T) or false (F)