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.
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Which of the following is more likely to result from poor absorption rather than inadequate nutritional intake in older adults?
a. Folic acid deficiency b. Iron deficiency c. Vitamin B12 deficiency d. Lead deficiency
An office consultation is performed for a postmenopausal woman who is complaining of spotting in the past 6 months with right lower quadrant tenderness. A detailed history and physical are performed with a low complexity of medical decision making
a. 99263 b. 99273 c. 99242 d. 99243
Rheumatoid arthritis of the spine is reported within category code M45.
Answer the following statement true (T) or false (F)
You must check the circulation of an 8-year-old child with a high fever who has been vomiting for the past 2 hours. The child is very frightened and crying. Given the situation, you should:
A) palpate the radial artery. B) obtain a carotid pulse. C) feel for a brachial pulse. D) listen to the heart with a stethoscope.