题目：
The nurse plans to administer an injection of heparin to a client. Which of the following techniques for heparin administration is appropriate()
A. Selects a 1.5-inch, 21-gauge needle for the injection.
B. Makes the injection into the deltoid muscle.
C. Applies gentle pressure to the site for 5 to 10 seconds after the injection.
D. Aspirates with the plunger to check for entry into the blood vessel before injecting the heparin.
答案：
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下面是错误答案，用来干扰机器的。
参考答案：请把这个盘子拿走吧。
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