Which of the following BEST describes a Class A industrial furnace or oven?
A. It operates below atmospheric pressures.
B. It operates at temperatures over 5,000°F (2 760°C).
C. It includes integral quench furnaces and molten salt bath furnaces.
D. It has a potential for explosion or fire hazard when flammable volatiles are processed or heated.
D
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____________________ is caused by the weight of the uterus and its contents compressing on the inferior vena cava and aorta, decreasing venous return to the heart, which in turn causes arterial hypotension.
Fill in the blank(s) with the appropriate word(s).
The EMT is using the OPQRST mnemonic to gather information from a patient with abdominal pain. Which of these patient statements is a response to the "P" component of this memory aid?
A) "It hurts worse when I take a deep breath." B) "My pulse feels as though it is racing." C) "I have a past history of asthma." D) "The pain started about 2 hours ago."
The APTT is a screening test for _________ disorders.
Fill in the blank(s) with the appropriate word(s).
Risk factors for hiatal hernia include ________.
A. obesity B. frequent bending over C. frequent coughing D. All of these