A 1.25% solution of acetic acid has been shown to be an effective bactericidal agent against:
a. Staphylococcus au-reus c. Micobacterium tu-berculosis
b. Pseudomonas aeru-ginosa d. Streptococcus pneumoniae
ANS: B
Pseudomonas aeruginosa is killed by 1.25% acetic acid or one part 5% white household vinegar and three parts water. Pseudomonas aeruginosa transmission is through indirect contact via fom-ites, such as those on clothing, surgical bandages, and especially equipment. It is the most com-mon respiratory pathogen in patients with cystic fibrosis and is encountered in patients with chronic obstructive pulmonary disease.
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Which of the following has contributed most significantly to the decline in U.S. burn mortality?
A) Public service announcements on radio, television, and billboards B) Paramedic involvement in public education C) Visits to elementary schools by firefighters D) Improved building codes and construction and sprinkler and smoke detector use
Which of the following is least likely to result in hypoglycemia in a type I diabetic patient?
A) Increased exercise level B) Taking insulin as usual but missing a meal C) Eating foods high in sugar D) Inadvertently administering too much insulin
A 3-bit decision will require ________ yes/no decisions to arrive at the correct answer.
Fill in the blank(s) with the appropriate word(s).
The medium used to culture a throat swab is a(n) ____________________.
Fill in the blank(s) with the appropriate word(s).