Which of the following is true about reservoir cannulas?

a. They reduce O2 use as much as 200%.
b. During exercise, they do not reduce O2 use.
c. Humidification is absolutely necessary.
d. Nasal anatomy and breathing pattern can affect performance of the device.

ANS: D
Although flow savings are fairly predictable, factors such as nasal anatomy and breathing pattern can affect the performance of the device.

Health Professions

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Which of the following are examples of growth factors?

A. Porcine small intestinal submucosa B. Becaplermin gel C. Colony-stimulating factors D. All of the above

Health Professions

Which of the following BEST defines "supervising physician"?

A. Specific physician who may not be the only clinician involved in the observation of this patient, but who is responsible for the observation service provided for the patient B. The term used to identify the physician who has provided no consultation services for a specific patient, and accepts primary responsibility for some or all of this specific patient's care from another physician who had previously provided primary care for a specific presenting problem or the patient's entire care C. The physician responsible for completion of documentation specific to the hospital inpatient setting, including documentation intended to facilitate coordination of care with other physicians, nurses, and any other clinical staff who will provide care and treatment for the patient D. An individual who receives the benefit of a service or program; most commonly used in reference to private, state, and federal health and/or medical insurance policies

Health Professions