Which of the following statements regarding mortar is MOST accurate?
A) The mortar is the strongest part of the wall.
B) Mortar has a greater compressive strength than the individual masonry units.
C) Master streams used during a fire can weaken mortar.
D) Masonry construction that has sand-lime mortar should be repaired with the newer mortar containing portland cement.
C
Health Professions
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Which of the following situations are frequently problematic for patients who have tracheostomy tubes?
A) Tube malplacement B) Tracheal tears C) Mucus buildup D) Air embolism
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The maximum permissible dose (MPD) for oral health care professionals is 50 mSv/year
Indicate whether the statement is true or false
Health Professions