Which of the following heaters have a poor fire safety record, largely due to inadequate clearances from combustible materials and inadequate maintenance?
A. Unit heaters
B. Wall furnances
C. Floor furnances
D. Solid-fuel room heaters
Answer: D. Solid-fuel room heaters
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Which of the following is a viral disease in the herpes family that causes general malaise and itchy, fluid-filled blisters on the skin that later crust and scab?
A) Rubella B) Varicella C) Rubeola D) Mumps
Your patient broke his wrist when he tripped over a tree root and put out his hand to try to break his fall. You recognize that this kind of break is caused by ________ force.
A. minor B. twisting C. direct D. indirect
The most accurate way to calculate heart rate on an irregular rhythm is the six-second strip method
Indicate whether the statement is true or false
Answer the following statement(s) true (T) or false (F)
1. Muscle cells are called muscle fibers because of their coarse texture. 2. Skeletal and cardiac muscles are striated by filaments in their myofibrils. 3. Once a skeletal muscle contracts, it cannot relax until acetylcholine is secreted. 4. Acetylcholine causes skeletal muscles to contract. 5. Acetylcholinesterase is a neurotransmitter.