At what level in the tracheobronchial tree are cilia completely absent?

a. respiratory bronchioles c. lobar bronchi
b. bronchioles d. mainstem bronchi


a. respiratory bronchioles

Health Professions

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A son has called 911 for his father, who is having difficulty breathing. On scene the 81-year-old patient is lethargic and lying on a couch in the living room and is in obvious respiratory distress. He is confused, but has an open airway. His respirations are 30 per minute and his skin is extremely diaphoretic with cyanosis in the fingertips. At this time, the EMT should:

A) suction the airway of secretion. B) start positive pressure ventilation. C) assess the patient's breath sounds. D) determine the patient's past medical history.

Health Professions

Which one of the following is considered an early sign of inadequate breathing in children?

A) Blue-gray skin B) Barrel chest C) Nasal flaring D) Crying

Health Professions

Instructional notes are used in Volume 1 to:

A. define terms. B. provide coding instructions. C. provide fifth-digit information. D. all of the above.

Health Professions

Which of the following statements are true about optical character recognition (OCR) devices?

A) They transfer bar codes to the EHR. B) They digitalize paper records. C) They enable faster claims processing. D) all of the above

Health Professions