Ryanair Initial Practice Exam

What physical sign is associated with hypoxia?

1. High Fever

2. Pale Grey Skin

3. Excessive Sweating

4. Distended Abdomen

The correct answer is: Pale Grey Skin

Pale grey skin is a notable physical sign associated with hypoxia, which is a deficiency in the amount of oxygen reaching the tissues of the body. When the body experiences hypoxia, it can lead to changes in skin color due to reduced oxygen saturation in the blood. The skin may appear pale, grey, or even bluish, particularly in individuals with lighter skin tones. This change occurs because, in low-oxygen situations, certain physiological responses can diminish blood flow to peripheral areas, resulting in less oxygenated blood reaching the skin. High fever, excessive sweating, and a distended abdomen do not specifically indicate hypoxia. A high fever is often a sign of infection or inflammation, while excessive sweating may result from a variety of factors, including stress, heat, or medical conditions that are not directly linked to oxygen deprivation. A distended abdomen generally suggests gastrointestinal issues rather than any problems related to oxygen levels. Thus, while these symptoms can indicate other health issues, they do not directly correlate with the hallmark signs of hypoxia as effectively as pale grey skin does.