Paul has a horrible chainsaw accident and cuts several major blood vessels in his head and neck.As a result of this injury,you would expect to observe all of the following except A)an increased heart rate. B)an increase in cardiac output. C)an increased secretion of renin by the kidneys. D)cold,clammy skin. E)an increased total peripheral resistance.

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An increase in cardiac output is not expected following a severe injury like a chainsaw accident that cuts several major blood vessels in the head and neck. Such an injury would likely lead to significant blood loss, resulting in decreased venous return to the heart. This decrease in venous return would lead to a decrease in stroke volume and, consequently, a decrease in cardiac output. The body would attempt to compensate for the loss of blood volume and maintain blood pressure through mechanisms such as increased heart rate (A), increased secretion of renin (C) which leads to vasoconstriction and retention of water and sodium to increase blood volume, and increased total peripheral resistance (E). Cold, clammy skin (D) is a symptom of shock, which can occur due to significant blood loss.

Paul Has a Horrible Chainsaw Accident and Cuts Several Major