The harsh, crowing sound of stridor is an indication of:
A) lower airway obstruction.
B) alveolar airway obstruction.
C) bronchial airway obstruction.
D) upper airway obstruction.
D
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Comments such as "I can't believe you called EMS for this!":
A) show a lack of compassion and interest in providing the best possible care. B) demonstrate an illegal act for which the paramedic will be held accountable. C) are commonly made by paramedics with less than 5 years of field experience. D) are typically ignored by the patient because he or she id frightened at the time.
Calculus is a contributing factor for the initiation and progression of the periodontal diseases because calculus has a solid surface structure on which plaque will accumulate
A) Both statement and reason are correct. B) Both statement and reason are incorrect. C) The statement is correct, but the reason is incorrect. D) The statement is incorrect, but the reason is correct.