To provide protection against the full range of ultraviolet (UV) radiation, an organic sunscreen must contain which agent?
a. Avobenzone
b. Para-aminobenzoic acid (PABA)
c. Titanium dioxide
d. Zinc oxide
A
Only one organic sunscreen, avobenzone, absorbs the full range of UV radiation. The other agents do not protect against the full range of UV radiation. Titanium dioxide and zinc oxide are inorganic screens.
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Which statement is true of PHRs?
a. They have been used in paper form for many years, and electronic versions offer the same functionality. b. They were a new idea when proposed in the 1990s and are a now a well-established technology. c. Approximately 35% of the US population currently has one. d. They have been used in paper form for many years, but electronic versions offer new functionality.
A 78-year-old patient was admitted to the critical care unit with cirrhosis of the liver. In cirrhosis of the liver, which of the following laboratory values is expected to drop?
a. Albumin b. Total bilirubin c. Alkaline phosphatase d. Aspartate aminotransferase
Which is the treatment for miliaria?
a. Application of oil b. Removal of wet clothing c. Removal of excess clothing d. Application of soothing lotion
Which individual in the emergency department should be considered at the highest risk for completing suicide?
a. An adolescent Asian-American girl with superior athletic and academic skills who has asthma b. A 38-year-old single African-American female church member with fibrocystic breast disease c. A 60-year-old married Hispanic man with 12 grandchildren who has type 2 diabetes d. A 79-year-old single white man with cancer of the prostate gland