What are the two major types of shock?

The correct answer identifies two major types of shock: anaphylactic and hypovolemic shock, both of which are critical to recognize in first aid situations.

Anaphylactic shock occurs as a severe, systemic allergic reaction that can lead to rapid and life-threatening symptoms, including difficulty breathing, swelling of the throat, and a drastic drop in blood pressure. Understanding this type of shock is vital for providing timely intervention, such as administering epinephrine to counteract the allergic reaction.

Hypovolemic shock, on the other hand, is caused by a significant loss of blood volume, leading to inadequate perfusion of organs and tissues. This can result from trauma, severe dehydration, or internal bleeding. Recognizing and treating hypovolemic shock involves controlling bleeding and restoring fluid volume, which is crucial for the patient's survival.

In contrast, the other choices consist of different medical emergencies that do not represent the two major categories of shock. For example, stroke and heart attack are cardiovascular emergencies but not classified as shock types, while septic and cardiogenic shocks are also critical but do not encompass the full spectrum of commonly recognized shock types in primary first aid practice.