Which of these is not a component of the dental x-ray film packet?
A) Black paper wrapping
B) One or two films
C) Moisture-resistant outer wrapping
D) Aluminum foil
D
Explanation: A) Lead foil is placed at the back of the film packet to absorb scatter radiation.
B) Lead foil is placed at the back of the film packet to absorb scatter radiation.
C) Lead foil is placed at the back of the film packet to absorb scatter radiation.
D) Lead foil is placed at the back of the film packet to absorb scatter radiation.
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A 32-year-old female calls 911 stating that she injected herself with some heroin 15 minutes ago. She has never tried heroin and she is now scared about what she has done. Assessment reveals her to be alert but confused to the date and time. Her airway is open and she is breathing 14 times a minute. Her pulse is moderate in strength and her skin is warm and dry. Which of the following would be
appropriate in her care? A) Monitor her and transport. B) Place a warm pack to the injection site. C) Administer activated charcoal. D) Apply a tourniquet below the site of injection.
Skeletal muscle relaxants work by __________ somatic motor nerve impulses through depression of the neurons within the central nervous system
Fill in the blank(s) with correct word
A respiratory pattern characterized by deep, rapid respirations is
(A) Cheyne-Stokes. (B) Biot's (ataxic). (C) central neurogenic hyperventilation. (D) agonal.
The relationship between ultrasound frequency and depth of penetration is
a. direct. b. indirect. c. inverse. d. both b and c