In the Geology, the Term "Precambrian" Refers to

question 145

Multiple Choice

In the geology, the term "Precambrian" refers to

• A) the eon immediately preceding the Phanerozoic eon
• B) all eons preceding the Phanerozoic eon
• C) the eon immediately preceding the Proterozoic eon
• D) all eons preceding the Proterozoic eon

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Definitions:

BiPAP

Bilevel Positive Airway Pressure, a type of respiratory support that provides different levels of pressure to the lungs during inhalation and exhalation.

CPAP

Continuous Positive Airway Pressure, a treatment that uses mild air pressure to keep the airways open, commonly used for patients with sleep apnea.

Pulmonary Embolism

A blockage in one of the pulmonary arteries in the lungs, usually caused by blood clots that travel to the lungs from the legs or other parts of the body.

Pulse Oximetry

A non-invasive method to measure the oxygen saturation level of the blood, indicating how well oxygen is being delivered to parts of the body furthest from the heart.