Symptoms of retinal detachment include ________.
A. red, itchy eyes and a crust that develops on the eye during sleep
B. loss of vision at the center of an image
C. a red, painful swelling on the edge of the eye with a whitehead of pus
D. flashes of light or floating black shapes and progressively blurred vision
E. pain or discomfort in one or both eyes
Answer: D
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Venous insufficiency ulcers are ultimately caused by:
A. insufficient numbers of veins. B. white blood cells. C. venous hypertension. D. a hyperactive calf muscle pump.
During hoisting, which of the following actions is the BEST way to help prevent damage to the equipment?
A. Hoisting SCBA first B. Hoisting all equipment at once C. Using proper knots and securing procedures D. Using the same hoisting method for all types of equipment
The ____ blade is a curved blade with common sizes from 1 to 4.
A. Miller B. McGill C. McDill D. Macintosh
Unless the fluid level is low, you should NOT uncap the brake fluid reservoir because:
A) air will be drawn into the hydraulic brake lines. B) the reservoir is pressurized and may cause burns. C) doing so releases pressure within the brake lines. D) brake fluid absorbs moisture from the atmosphere.