Aclient is admitted after a motor vehicle crash. the primary healthcare provider has diagnosed the presence of pelvic fractures and bilateral femur fractures. the client's blood pressure has fallen from 120/76 to 60/40, and the heart rate has risen from 82 to 121. which does the nurse recognize as the most likely reason for the assessment findings?

When pelvic or long bone damaged, it can cause internal bleeding. 

Internal bleeding is a loss of blood in a body cavity. It was dangerous as the bleeding is not visible, thus hard to be identified. Internal bleeding can happen when there is vascular damage part of the body with cavity like pelvis, or when long bone like femur fractured. Organs in abdomen like spleen and liver also at risk of internal bleeding.