Which of the following is NOT associated with the retina?
A) Lens
B) Photopigments
C) Rods
D) Cones
A
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What may be substituted for fire extinguishers if theft is a problem?
A) Barrels of water with buckets B) Fire-resistive drop cloths C) Continuous sprinkler hoses D) Standpipes with personal hoselines
The V1 tracing shown here is from a 12-lead ECG performed on a 36-year-old male patient as part of a yearly physical examination. The patient appears to be in good general health. What does this tracing show? 
A. Right bundle branch block B. Left ventricular hypertrophy C. Complete AV block D. Left bundle branch block
Veins act as a bridge between capillaries and arteries.
Answer the following statement true (T) or false (F)
Chemically, what is the major difference between solutions used for manual processing and those used for rapid and automatic processing?
There is more acid in rapid-processing solution. Manual processing solutions are more alkaline. Manual processing solutions contain more preservatives. Rapid and automatic processing solutions contain more hardener.