The precision of an instrument depends on:
a. linearity. c. repeatability.
b. calibration. d. frequency of re-sponse.
ANS: C
An instrument's precision can be quantified by calculating the standard deviation of repeated measurements. Precision is the expression of an instrument's ability to reproduce a measurement.
You might also like to view...
Can radiographs be used to differentiate treated versus untreated disease?
What will be an ideal response?
Mrs. Adamson is to take 2 tablespoons of medication every 6 hours for 10 days. The pharmacy will have to dispense a total of ________ fluid ounces for this prescription.
Fill in the blank(s) with the appropriate word(s).
Which of the following statements regarding radiation injury is false?
A) The smaller the area of tissue exposure, the greater damage to the individual. B) The greater the dose, the more severe the probable biological event. C) The rate at which the radiation is absorbed may determine which biological effects occur. D) A given dose may produce fewer biologic effects if the cells have a chance to recover.
You are caring for a patient with significant stroke symptoms. You are completing your assessment when you notice that her SpO2 reading is dropping. Which of the following should you do next?
A) Check the batteries in your pulse oximeter. B) Check her skin color and temperature. C) Check her airway and breathing. D) Check the oxygen cylinder pressure.