贫血患者的常见体征有哪些？
参考答案：
贫血外貌症状，有皮肤干燥皱缩，毛发干枯易脱落，指甲薄平，不光滑，易破裂，甚至呈匙状甲（见于长期严重病人）。
消瘤二反膏功效与作用
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.
