When a decreased ventilation-perfusion ratio occurs, which of the following changes will occur:
I. PAO2 will increase
II. PAO2 will decrease
III. PACO2 will increase
IV. PACO2 will decrease
V. pH will decrease
a. 1, III, and V only c. II and IV only
b. II ,III, and V only d. I, IV, and V only
b. II ,III, and V only
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One increases the base of support to prevent loss of balance by placing:
a. the feet in stride and slightly apart. b. one foot directly in front of the other. c. the feet far apart side to side. d. the feet far apart side to side and in stride.
If there are any discrepancies between a thermal imager (TI) and the signs of a fire in a concealed place, which of the following should be done?
A. Thermal imager batteries should be checked and replaced B. Thermal imager should be serviced by licensed technician C. Concealed space should be opened up and inspected visually D. Concealed space should be flooded with water followed by inspection
All of the following are sources of complex carbohydrates (starches) EXCEPT ________.
A. vegetables B. natural sugar in fruits and vegetables C. citrus fruits D. whole grains
The term "primary care physicians" refers to ________.
A. a group of physicians who share all aspects of a patient's care B. physicians who specialize in the diagnosis and treatment of diseases related to the kidneys C. physicians who study the changes a disease produces in the body D. physicians who specialize in emergency care E. physicians who oversee patients' long-term healthcare