238 Answers to quick quiz 1 Marginal costing is an alternative method of costing to absorption costing. In marginal costing, only variable costs are charged as a cost of sale and a contribution is calculated (sales revenue â variable cost of sales).
The elderly are an at-risk population because they have increased risk for adverse health outcomes, a need for health services, and unique social circumstances. Risks for common diseases increase over the life span, and other diseases are linked specifically to old age.
Smokers who have ankylosing spondylitis (AS) have more spinal damage than non-smokers with the same level of disease activity. Having the disease is also linked to an increased risk of heart disease and stroke. The disease can cause fever, loss of appetite, fatigue and inflammation in the lungs, heart and eyes. Eye inflammation (called iritis or uveitis) occurs in more than one-fourth of people with AS. Iritis causes redness and pain in the eye that worsens with exposure to bright light.