List four possible etiologies of epistaxis
What will be an ideal response?
• Hypertension
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Which of the following can help avoid the problem of arterial blood sample contamination with air?
1. Discarding frothy samples 2. Fully expelling any bubbles 3. Mixing before expelling air 4. Capping syringe quickly a. 2 and 3 only b. 1, 2, and 4 only c. 1 and 4 only d. 1, 2, 3, and 4
What is the consequence of applying too much positive pressure to alveoli?
A. Refractory hypoxemia becomes corrected. B. The pressure-volume relationships shift leftward. C. Alveolar ventilation and perfusion decrease. D. Alveolar and arterial PCO2 decrease.
Tissue that contracts is called ___ tissue.
Fill in the blank(s) with the appropriate word(s).
Match the term with the appropriate definition or description.
A. Efforts made by communities to cope with health problems that arise when people live in groups B. The study of the distribution and determinants of diseases in a population C. The usual, sustained occurrence of a disease in a population D. An unusual occurrence of disease in a population E. An unusual occurrence of a disease that spreads around the world or in a large geographic area F. Focuses on preventing disease processes from ever getting started G. Emphasizes the early detection of diseases H. Emphasizes the treatment of diseases once they are present, to prevent further complications I. Diseases or issues that may be common or even increasing in incidence and prevalence in a community