<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 27-year-old man is brought to the emergency department 30 minutes after being shot in the abdomen during a violent altercation. His temperature is 36.5C 97.7F, pulse is 118min and regular, and blood pressure is 8865 mm Hg. Examination shows cool extremities. Abdominal examination shows a 2.5-cm entrance wound in the left upper quadrant at the midclavicular line, below the left costal margin. Focused ultrasound shows free fluid in the left upper quadrant. Which of the following sets of hemodynamic changes is most likely in this patient? Cardiac output CO Pulmonary capillary wedge pressure PCWP Systemic vascular resistance SVR Central venous pressure CVP ? A: , B: , C: , D: , E: ,  <response>: This is a patient with a gunshot wound to the abdomen, who is showing signs of hypovolemic shock including tachycardia, hypotension, and cool extremities. The question is asking about the expected hemodynamic changes in this setting of hemorrhagic shock. Loss of intravascular volume will lead to decreased cardiac output and blood pressure. The body attempts to compensate by increasing systemic vascular resistance and heart rate. However, cardiac filling pressures like PCWP and CVP will decrease due to loss of volume.B: 