Few true eye emergencies occur. Which is not an emergency?
A) can't see after watching a welding arc
B) loses part of the field of vision
C) has dust in the eye
D) has a nail protruding from the eye
Answer: C
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Which inner eye structure is responsible for the blind spot?
A) macula lutea B) fovea centralis C) optic disk D) ciliary body
Which of the following states has the lowest rate of smoking?
A. California B. New York C. Kentucky D. Utah
Physical fitness alone is always sufficient to lower the risk for disease and ensure better health
Indicate whether this statement is true or false.
Low avidity IgG antibody
a. indicates that an infection that occurred in the distant past b. never occurs because low avidity antibody is IgM c. is replaced rapidly by high affinity antibody and so is never seen in diagnostics tests d. indicates a recent infection