During Life in Utero,oxygenation of the Fetus Occurs Through Transplacental

question 5

Multiple Choice

During life in utero,oxygenation of the fetus occurs through transplacental gas exchange.When birth occurs,four factors combine to stimulate the respiratory centre in the medulla.The initiation of respiration then follows.Which of the following contributes to the dynamic sequence of events that occur with the infants' first breath?

• A) Warm air temperature
• B) Oxygen pressure increases
• C) Carbon dioxide pressure decreases
• D) Arterial pH decreases

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Definitions:

Absolute Value

The distance of a number from zero on the number line, without considering direction.

Inequality

A mathematical expression that shows the relationship between two values that are not equal, using symbols such as <, >, ≤, and ≥.

Compound Inequality

A mathematical expression that combines two inequalities, often joined by "and" or "or," to compare values.

Solution Set

The complete set of all possible solutions that satisfy a given equation or system of equations.