One-way valves that prevent a back flow of blood are seen in
A) veins B) lymphatic channels
C) capillaries D) arteries
A
Health Professions
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The prototypical serotonin antagonist that is sometimes used in the prehospital field is:
a. Ondansetron (Zofran) b. Promethazine (Phenergan) c. Prochlorperazine (Compazine) d. Haloperidol (Haldol)
Health Professions
An intoxicated patient is complaining of a severe headache and a large bruise to the left side of his face after accidentally being struck with a baseball bat. In this situation, being struck with the baseball bat is called the:
A) mechanism of injury. B) chief complaint. C) differential diagnosis. D) nature of illness.
Health Professions