Abdominal shiffting dullness positive, ascites volume at least()
A. 300ML
B. 500ML
C. 800ML
D. 1000ML
E. 1500ML
查看答案
What is the percussion sound of emphysema?()
A. Resonance
B. Hyperresonance
C. Tympany
Dullness
E. Flatness
How to regulate oxygen flow rate for patients undergoing oxygen therapy?()
A. regulate the flowmeter directly
B. Pull the oxygen tube out of the patient's nasal cavity and then regulate it
C. Turn off the main switch and adjust the flowmeter
D. separate the catheter or cannula from the humidifier bottle, adjust to a new flow rate and then connect them
E. adjust the main switch of the oxygen cylinder
How long should local pressure be applied after artery puncture?()
A. 1 minute
B. 2 minutes
C. 3 minutes
D. 4 minutes
E. 5 minutes
when you wash hand in 7 steps ,each step should keep not less than_____seconds.
A. 5
B. 10
C. 15
D. 20
E. 25
微信支付 
支付宝支付