Which of the following are symptoms of early carbon monoxide poisoning?

The symptoms of early carbon monoxide poisoning primarily include headaches, dizziness, and confusion. This is due to carbon monoxide's interference with the blood's ability to transport oxygen, leading to reduced oxygen availability in the brain, which results in these cognitive disturbances and physical discomfort.

The answer highlighting headaches, dizziness, and confusion aligns with the common understanding of carbon monoxide poisoning symptoms, as these are typically experienced early on due to the hypoxic effects of the gas. The presence of these particular symptoms is foundational in recognizing potential carbon monoxide exposure and its serious implications for health.

While fatigue and a feeling of warmness can sometimes be associated with mild ailments or even the body's response to different conditions, they are not specifically tied to carbon monoxide exposure or poisoning in the same way that headaches, dizziness, and confusion are recognized. Being aware of these key symptoms can assist individuals in quickly identifying and responding to the dangers of carbon monoxide, which is crucial for safety, especially in aviation settings where precise health and cognitive function are vital.