An AP clavicle projection with accurate positioning demonstrates
1. the medial clavicular end next to the lateral edge of the vertebral column.
2. the superior scapular angle superior to the clavicle.
3. inferosuperior foreshortening on the kyphotic patient unless the central ray is angled cephali-cally.
4. an overexposed medial clavicle unless a compensating filter is used.
a. 2 only
b. 1 and 3 only
c. 1, 3, and 4 only
d. 1, 2, and 3 only
B
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Which of the following is NOT a purpose for debridement?
A. To decrease wound odor B. To decrease bacterial concentration within a wound C. To decrease the effectiveness of topical antimicrobials D. To shorten the inflammatory phase of wound healing
A male patient presents with a puncture wound to his heel from stepping on a nail. He informs you that he is visiting from El Salvador and has never received a tetanus vaccination. At the emergency room he is administered tetanus immune globulin, as well as a tetanus vaccination. Which of the following best describes the rationale for this treatment?
A) The tetanus immune globulin provides immediate protection, while the tetanus vaccination provides passive immunity by producing tetanus-specific antibodies. B) The tetanus immune globulin provides passive immunity, while the tetanus vaccination provides active immunity. C) The tetanus immune globulin provides IgE antibodies for immediate protection, while the tetanus vaccination provides natural immunity by producing tetanus-specific antibodies. D) The tetanus immune globulin provides IgG and IgM antibodies for immediate protection, while the tetanus vaccination provides passive immunity by producing tetanus-specific antibodies.
When filling a portable reservoir from a liquid reservoir for home use, you should be cautious because:
A) it will spontaneously ignite B) it will not last as long as compressed oxygen in a cylinder C) it is at a -183 degrees Celsius D) it is under very high pressure
Which statement does not describe the typical onset of anesthesia?
A) Anesthesia will affect smaller nerves before larger nerves. B) Anesthesia will affect sensory nerves before motor nerves. C) Mantle bundles will be anesthetized before core bundles. D) Onset is faster on incisors, soft tissues of chin, and labial tissues.