Zileuton belongs to which of the following categories?
a. Cromolyn-like agents
b. Leukotriene modifiers
c. Anti-IgE agents
d. Anti-IgA agents
ANS: B
Zileuton inhibits the 5-lipoxygenase enzyme that catalyzes the formation of leukotrienes from arachidonic acid, as also shown in Figure 35-8.
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Which of the following is NOT a normal QRS measurement?
A) 0.08 B) 0.20 C) 0.11 D) 0.06
An infectious disease is MOST accurately defined as:
A. any disease that enters the body via the bloodstream and renders the immune system nonfunctional. B. the invasion of the human body by a bacterium that cannot be destroyed by antibiotics or other drugs. C. a disease that can be spread from one person or species to another through a number of mechanisms. D. a medical condition caused by the growth and spread of small harmful organisms within the body.