When a Baby Is Born,what Change(s)do NOT Need to Occur

question 36

Multiple Choice

When a baby is born,what change(s) do NOT need to occur in fetal circulation for it to survive?

• A)The oval opening (foramen ovale)must close.
• B)The arterial duct must close.
• C)The umbilical arteries and veins close.
• D)Blood must be able to pass from the right side to the left side.
• E)Fetal blood must be shunted toward the lungs after tying off the umbilical cord.

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Definitions:

Monthly Fixed Expense

Costs that do not vary with the level of production or sales in a given period, such as rent or salaries, accruing on a monthly basis.

Margin Of Safety

The difference between actual or projected sales and the break-even point, indicating the buffer against losses.

Break-Even Sales

The amount of revenue that is exactly sufficient to cover both fixed and variable costs, resulting in neither profit nor loss.

Break-Even

The point at which total revenues equal total costs, resulting in no net loss or gain.