Two coats are needed for which material?
a. Varnishes
b. Low-strength bases
c. Liners
d. High-strength bases
a
RATIONALE: Two coats are needed for varnishes.
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Which of the following is a good rule of thumb for determining the distance to use when positioning the ambulance at a crash scene?
A) 50 feet from the crash scene B) 100 feet from the crash scene C) As close as possible D) 250 feet or more from the crash scene
Benzodiazepines and barbiturates achieve their sedation effects by ________ in the CNS
A) enhancing the GABA receptor sites B) depolarizing the neural membranes C) blocking the GABA receptor sites D) blocking the dopaminergic receptor sites
During the preimplantation stage of development, the fertilized ovum divides and forms a ball-like structure containing undifferentiated cells. If this structure is irradiated with a dose in the range of 0.05 to 0.15 Gyt which of the following will result?
a. Congenital abnormalities b. Delayed bone growth c. Embryonic death d. Microcephaly
The size #3 film or phosphor plate is used exclusively for occlusal radiographs of adult patients, and the size #4 film or phosphor plate is used exclusively for horizontal bitewing radiographs of adult patients
Indicate whether the statement is true or false