A burn in which all layers of skin are affected, including the fat layer, is classified as a:
a. first-degree burn.
b. second-degree burn.
c. third-degree burn.
d. fourth-degree burn.
Answer: c. third-degree burn.
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As compared to when you are at rest between meals, when you have eaten a meal, a ____________ proportion of your blood goes to your digestive system.
a) smaller b) the same c) greater
In the model presented in your text, environmental and socioeconomic characteristics are categorized as ____ conditions
a. living b. focal c. individual d. community
Which is an example of a factor that contributes to lower esophageal sphincter incompetence?
a. renal artery stenosis b. increased secretion of aldosterone c. cardiomyopathy d. cigarette smoking e. increased secretion of cortisol
Vitamin C has an RDA of 75 mg for females ages 51-70. This indicates:
a. nutrient value estimated to meet the needs of half of healthy people b. average amount of vitamin C adequate to meet needs of 97-98% of healthy people c. used when a RDA cannot be determined d. the upper limit of a nutrient that should not present risk of negative health effects