Which leads are used to determine the presence of axis deviation?
A. Leads II and aVR
B. Leads I and aVF
C. Leads V1 and V2
D. Leads I and aVR
Answer: B
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When using the wide-area-search method, knots tied behind each ring indicate:
A. distance from end of the line. B. distance from beginning of the line. C. distance left before a ring is needed. D. distance left before a new knot is needed.
An intoxicated driver drove his car into the side of a slow-moving train, hitting a tanker car. You recognize the need to call CHEMTREC, Inc to get information on what is contained within the tanker. What piece of information is it critical to provide this agency so they can provide helpful information?
A) Type of railroad car involved B) Name of the railroad carrier C) UN identification number D) Location and train identification number
An investigation that studies the frequency of flossing and periodontal disease is called a ________
A) Correlational study B) Survey C) Trend D) Case study E) All of the above
Which is not a safety guideline in the workplace?
A. Wear appropriate personal protective equipment (PPE) in and outside the lab. B. Avoid hand-to-mouth contact or hands touching the eyes, nose, or ears while in the lab. C. No pens or pencils should be placed in the mouth or behind the ears. D. No food or drink should be in the lab or the lab refrigerator.