A heat-moisture exchanger (HME) should be avoided in which of the following circumstances? 1. Patients with excessive secretions 2. Patients with a high FiO2 3. Patients with low body temperature
a. 1 only
b. 1 and 2 only
c. 1 and 3 only
d. 1, 2, and 3
ANS: C
Use of HMEs should be avoided in the care of patients with secretion problems and those with low body temperature (<32° C), high spontaneous minute ventilation (>10 L/min), or air leaks in which exhaled tidal volume is less than 70% of delivered tidal volume.
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A. thymus B. adrenal C. pituitary D. thyroid
The "white" of the eye is the sclera
Indicate whether the statement is true or false
Malocclusion is best described as which situation?
difficulty with speech a high susceptibility to caries the abnormal relationship between the maxilla and mandible a class I occlusion
Match the term with the definition.
A. The level of health of a person, group, or nation B. Measures the number of new cases of a disease over a period of time C. The average number of years that people in a given population live D. Measure ability to accomplish more independent tasks such as cleaning, shopping, managing finances, preparing meals, and using the telephone E. The rate of infant deaths (from live birth to 1 year) per 1,000 live births F. Life goal of living a long and healthy life and then becoming acutely sick toward the end and dying quickly G. Measure a person's ability to perform basic personal care tasks such as walking, bathing, dressing, toileting, and feeding oneself H. Calculated by subtracting the total number of sick and disabled days and years from the average life expectancy