胡萝卜素是合成视紫红质的主要物顶，因此食用胡萝卜可以（）。

A、降低血液汞浓度

B、预防对视网膜的伤害

C、降低血压

D、降低血脂

Pancrelipase (Viokase), an enzyme replacement, has been prescribed for a client with chronic pancreatitis. The nurse evaluates the client’s understanding of how to take this drug. Which of the following statements indicates the client has adequate knowledge()

A. "The enzyme mixture should be taken after each meal. "

B. "The enzyme mixture should be stored in the refrigerator to keep it fresh. "

C. "I should be careful not to inhale the powder when mixing it with food. "

D. "I should chew the capsule thoroughly. \