Which of the following signs or symptoms would the nurse expect to see in a client with pancreatitis

A. Bradycardia.
B. Hypertension.
C. Decreased white blood cell count.
D. Left upper quadrant abdominal pain.

常参加体育锻炼的人，其心脏输送血液的功能会增强，原因是[     ]

A．心脏增大，所含血液增多

B．心肌数目增多，收缩有力

C．心肌发达，收缩有力

D．心率加快，输送氧的能力强