Which of the following are signs of hypoxia?

Signs of hypoxia primarily relate to a deficiency in the amount of oxygen reaching the tissues. The manifestation of cyanosis, confusion, restlessness, and shortness of breath indicates that the body is not receiving adequate oxygen.

Cyanosis refers to a bluish discoloration of the skin and mucous membranes, which occurs when there is insufficient oxygen in the blood. Confusion and restlessness are neurological signs that can arise due to inadequate oxygen supply to the brain, affecting cognitive function and creating a sense of anxiety or agitation. Shortness of breath is a direct symptom associated with hypoxia, as the body attempts to compensate for the reduced oxygen levels by increasing the respiratory rate. These signs collectively illustrate a clear picture of a person experiencing hypoxia, making this choice the most accurate representation of the condition.