Patients preparing to have surgery can donate a unit of their own blood in advance so they can receive it during surgery. This is known as a/an ________ blood transfusion
Fill in the blank with the right word.
Answer: autologous
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What is the principle that underlies the bioelectrical impedance technique for assessing body composition?
A. Fat tissue absorbs electrical current before the current encounters lean tissue. B. Fat tissue is a less efficient conductor of electrical current than is lean tissue. C. Fat tissue blocks electrical current. D. Lean tissue blocks electrical current. E. Fat tissue is a more efficient conductor of electrical current than is lean tissue.
You examine a patient with swelling in her femoral triangle. She also has varicose veins. Of the following choices, which is the most likely cause of the swelling?
A) aneurysm of the femoral artery B) saphenous varix C) femoral nerve neuroma D) indirect inguinal hernia E) bursitis Ans: B
When you compare the observations of one observer with those of another, you are checking
A. the practicality of an observation tool. B. the reliability of an observation tool. C. the validity of an observation tool. D. All of these.
Which urine output over 24 hours qualifies as oliguria?
a. 500 mL b. 850 mL c. 600 mL d. 350 mL