Nitrocellulose is produced by
a. A polymer being formed by the chemical reaction of cellulose in cotton with nitric acid.
b. Mixing hexamethylenetetramine, nitric acid, ammonium nitrate, and acetic anhydride.
c. Nitrating toluene mixed with nitric acid and sulfuric acid.
d. Mixing molten trinitrotoluene and a small amount of graphite.
A
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Retractions can be identified during inspiration by all of the following EXCEPT pulling in of the tissue:
A) Between the ribs (intercostal) B) Above the sternum (suprasternal) C) Below the inferior rib margin (diaphragmatic) D) Above the clavicles (supraclavicular)
_______ are small V-shaped staples that close down and occlude a vessel or duct
A. Purse-string staples C. Towel clips B. Skin staples D. Hemoclips
Heptavax is one of three current vaccinations available to prevent infection of:
A) Hepatitis D. B) Hepatitis A. C) Hepatitis B. D) Hepatitis C.
Which of the following medications is recommended in nonimmunocompromised individuals with herpes labialis?
a. acyclovir cream b. acyclovir tablets c. nystatin cream c. nystatin tablets