Which cranial bone forms the forehead, frontal sinuses, and upper orbits of the eye?
sphenoid
ethmoid
mandible
frontal
frontal
Rationale: Frontal – The frontal bone is a single bone that is also known as the forehead.
Health Professions
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Systolic pressure is the:
A) lowest point of pressure. B) midpoint of pressure. C) highest point of pressure. D) none of the above.
Health Professions
In 1898, after sustaining severe burns attributed to radiation exposure, this Boston dentist began investigating the hazards of radiation exposure and became the first known determined advocate of radiation protection
a. Marie Curie. b. Clarence Madison Dally. c. Wilhelm Conrad Roentgen. d. William Herbert Rollins.
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