Which of the following statements regarding factors of safety for avoiding failure points is LEAST accurate?
A) Factors of safety provide for variations in workmanship.
B) Factors of safety are used because many factors used in design cannot be known precisely.
C) A factor of safety is the ratio of the material's failure point to the maximum design stress.
D) It is not necessary to use a factor of safety for construction material properties.
D
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Your patient is an 18-year-old man who stepped on a nail in the barnyard. The nail penetrated his tennis shoe and punctured his foot. On your arrival, the patient has removed the nail and the shoe. The wound is about 2 mm in diameter with minor bleeding that has been controlled. The skin around the wound is red. The patient does not want to be transported but asks if you can give him "some
ointment and a Band-Aid." You should explain to the patient that this type of injury is associated with an increased risk of: A) infection. B) delayed bleeding. C) scarring. D) nerve damage.
What is produced by incomplete combustion?
a. Carbon Monoxide b. Carbon Dioxide c. Carbon Tetrachloride d. Complete Combustion
Which statement accurately describes attitudes towards NHS reforms as of 2012?
A) At a recent meeting of the BMA, doctors voted to join a campaign to expand the roles of the private sector in the NHS. B) Under popular pressure, the NHS was prohibited from hiring foreign companies or their subsidiaries to run GP medical practices. C) After several months of its national "listening tour," the government responded by increasing the independence and power of the commissioning groups. D) Members of the public were generally indifferent as to whether health care was provided by the private or public sector as long as they received the care they required.
The statement "energy cannot be created or destroyed" is a statement of:
A. conservation of momentum B. heat energy C. the energy principle D. conservation of energy