This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Which characteristic often distinguishes cardiogenic shock from hypovolemic shock? 
Select and explain. 
A. Tachycardia., B. Increased respiratory rate., C. Narrow pulse pressure., D. Oliguria.
C: Narrow pulse pressure.
Answer: C: Narrow pulse pressure. 
Explanation: C: Cardiogenic shock has a narrow pulse pressure while hypovolemic shock has a widened pulse pressure.
A: Options A, B, and D are all similar characteristics of the hypovolemic and cardiogenic shock.