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Exhibits

Wound bed is red.

Redness noted at wound borders, skin surrounding wound is warm to touch

purulent drainage noted

Temp 38.9° C (102° F)

Hct 37% (37% to 47%)

WBC 13,500/mm3 (5000 to 10,000 mm3)
 

A. Use a cotton-tipped applicator to remove cerumen:
Inserting objects like cotton-tipped swabs into the ear canal is unsafe and can cause damage; not recommended for clearing earwax before temperature measurement.

B. Insert the probe snugly into the ear canal and press scan:
This is the correct method to ensure an accurate tympanic temperature reading.

C. Pull the pinna downward and backward:
This is correct for children under 3 years, not for adults.

D. Hold the probe flat against the forehead and press scan:
This technique is for a temporal artery thermometer, not tympanic.

A. A falsely high reading if the cuff is too small:
Using a cuff that is too narrow for the arm circumference can compress the artery more, resulting in a false high BP.

B. A falsely low reading if the cuff is wrapped too loosely around the arm:
This is true if a cuff is loose, but the question focuses on using a standard-size cuff, not an improperly applied one.

C. Accurate readings as long as it is 20% of the circumference of the midpoint of the limb:
The correct cuff width should be 40% of the limb’s circumference, and the bladder length should cover 80% of the arm.

D. Indistinct readings if the bladder encircles 80% of the adult's arm:
A bladder covering 80% of the arm is ideal and yields accurate readings.