Which of the Following Are Functions of the Urinary System

question 21

Multiple Choice

Which of the following are functions of the urinary system? 1. Vitamin D synthesis
2) Excretion
3) Regulation of red blood cell synthesis
4) Regulation of the concentration of solutes in the blood
5) Regulation of blood volume and pressure
6) Chemical digestion

• A) 1, 2, 3, 4
• B) 2, 3, 4
• C) 1, 2, 3, 4, 5
• D) 1, 2, 3, 4, 6
• E) 2, 3, 4, 6

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Definitions:

Fixed Costs

Overheads that are unaffected by the quantity of output or sales, for example, tenancy costs, wages for staff, and indemnity expenses.

Contribution Format

A type of income statement presentation that separates fixed and variable costs, allowing for an easier assessment of how changes in volume affect profitability.

Contribution Format

A way of presenting income statements where variable costs are deducted from sales to find the contribution margin, then fixed costs are deducted to find net operating income.

Break-even Point

The level of production or sales at which total revenues equal total expenses, resulting in neither profit nor loss.