Final answer:
Cyanosis is the condition, caused by low oxygenation, that results in blue lips and nail beds.
Step-by-step explanation:
Karen's abnormal condition of blue lips and nail beds is a result of low oxygenation, which is known as cyanosis. Cyanosis occurs when there is not enough oxygen in the blood, leading to a bluish coloration of the lips, nail beds, and sometimes other parts of the body. It is often a sign of underlying respiratory or cardiovascular problems.
Learn more about Cyanosis and low oxygenation