Final answer:
The correct symptoms matching abnormal breathing, chest pain, altered consciousness, and serious hemorrhage are shortness of breath, dizziness, and pale skin.
Step-by-step explanation:
The symptoms of abnormal breathing, chest pain/discomfort, decreased level of consciousness, and serious hemorrhage can manifest in various ways. Considering the options given, the symptoms that align closely with these conditions are shortness of breath, dizziness, and pale skin. These can be indicative of respiratory issues, as well as circulatory problems. For instance, shortness of breath is a common symptom in respiratory diseases, carbon monoxide poisoning, and asthma attacks. Dizziness can be associated with carbon monoxide poisoning, hemorrhage, or severe infections, which can also lead to a decrease in consciousness. Lastly, pale skin is often a sign of anemia or significant blood loss, which could be linked to hemorrhage.