Which of these is NOT a disadvantage of the bisecting technique?
a. It produces images with dimension distortion.
b. Image receptor positioning is difficult for patients with small mouths.
c. Adjacent structures are often superimposed.
d. Estimating the location of the imaginary bisecting may be difficult.
b. The major advantage of the bisecting technique is its ease of use with patients who have small mouths, very low or shallow palatal vaults or large tori, an exaggerated gag reflex, and in edentulous regions.
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A 12-year-old has been taking an antibiotic for a respiratory infection. His mother called 911 because she believes her child has gotten worse despite the antibiotics. He is alert and oriented, and tells you that he does not have any difficulty breathing. He has a raised rash on his chest, arms, and back. His respiratory rate is 18, pulse is 92, and blood pressure is 108/72. You should suspect:
A) an overdose of the antibiotic. B) a generalized respiratory infection. C) a mild allergic reaction to the antibiotic. D) anaphylactic shock.
What drug, described as a modified form of methamphetamine, is often seen in nightclubs?
A) Barbiturates B) Ecstasy C) Alcohol D) Marijuana
The route by which the EMT would administer epinephrine is:
A) Oral B) Intramuscular C) Sublingual D) Topical
After concentration of stool, only an iodine wet preparation is examined because
A) saline interferes with the reagents used for concentration. B) saline does not provide enough contrast for detection of parasites. C) the parasites are dead and no longer exhibit motility. D) saline distorts the parasites present.