When Did the First Eukaryotic Cell Form

question 25

Multiple Choice

When did the first eukaryotic cell form?

• A)About a billion years after the first prokaryotic cell was formed
• B)About the same time as the first prokaryotic cell was formed
• C)About a billion years before the first prokaryotic cell was formed
• D)There is no evidence to suggest when the eukaryotic cells formed in relationship to prokaryotic cells.

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Definitions:

Humidified Oxygen

Oxygen that is moistened to prevent dryness in the nasal passages and throat of patients requiring supplemental oxygen.

Arterial Blood Gas

A diagnostic blood test that measures the levels of oxygen, carbon dioxide, and the pH in arterial blood to assess the effectiveness of lung function.

Nasal Cannula

A device used to deliver supplemental oxygen or airflow to a patient in need of respiratory help through the nostrils.

Electric Razor

An electrical device used for shaving hair off the skin with minimal risk of cuts, primarily used on the face.