Final answer:
A weak pulse is a manifestation of hypovolemia, occurring due to low blood volume from blood loss, dehydration, or other factors. Treatment includes intravenous fluids and medications to stabilize blood pressure.
Step-by-step explanation:
When a nurse is caring for a client who has sustained blood loss, a manifestation of hypovolemia to look out for is a weak pulse. Hypovolemia is a condition characterized by a low blood volume, which can be a result of factors such as hemorrhage, dehydration, or severe burns. Important signs of hypovolemia include a rapid heart rate, low blood pressure, and a weak thready pulse. Among the options given, the most appropriate answer is a weak pulse (d). Other related symptoms could involve cool, clammy skin, rapid and shallow breathing, and hypothermia due to the body’s compromised circulatory function.