Which of the following phases of drug development determines the appropriate dose with regard to safety and toxicity?

Phase I
Phase II
Phase III
Phase IV


Phase I

Rationale: Phase I of drug development determines the appropriate dose with regard to safety and toxicity.

Health Professions

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Which of the following is true about reservoir cannulas?

a. They reduce O2 use as much as 200%. b. During exercise, they do not reduce O2 use. c. Humidification is absolutely necessary. d. Nasal anatomy and breathing pattern can affect performance of the device.

Health Professions

As the immune system declines, patients with underlying chronic lung diseases become more susceptible to pulmonary infections.

Answer the following statement true (T) or false (F)

Health Professions

Which of the following is the minimum amount of deaths in U.S. hospitals annually, due to medical errors?

7,000 2,400 44,000 98,000

Health Professions

Why is communication between a health care provider and a patient often more complicated than in other situations?

What will be an ideal response?

Health Professions