When Does a State of Alkalemia Exist

question 6

Multiple Choice

When does a state of alkalemia exist?
1) The HCO₃^-/CO₂ ratio exceeds 20:1.
2) The blood pH exceeds 7.45.
3) The blood PCO₂ exceeds 54 mm Hg.

• A)2 and 3 only
• B)1, 2, and 3
• C)3 only
• D)1 and 2 only

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Definitions:

Germinal Period

The period in prenatal development from conception to two weeks after conception, when the zygote divides rapidly and implants in the uterine wall.

Embryonic Period

The period in prenatal development from three through eight weeks after conception, when the brain, spine, major organs, and bodily structures begin to form in the embryo.

Embryo

An early stage of development in multicellular organisms, following fertilization and before fetal stages in animals.

Placenta

A specialized organ in mammals that connects the developing fetus to the uterine wall to allow nutrient uptake, waste elimination, and gas exchange via the mother's blood supply.