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
Pulse pressure is: 
Select and explain. 
A. 1/3 diastolic + 1/2 systolic B.P., B. 1/2 diastolic + 1/3 systolic B.P., C. Systolic - diastolic B.P., D. Diastolic + 1/2 systolic B.P.
C: Systolic - diastolic B.P.
Answer: C: Systolic - diastolic B.P. 
Explanation: Answer is C (Systolic -- Diastolic B.P) Pulse pressure is the difference between the systolic pressure and the diastolic pressure.