When controlling bleeding from a scalp laceration with a suspected underlying skull fracture, you should:
a) elevate the patient's head and apply an ice pack.
b) avoid excessive pressure when applying the bandage.
c) apply firm compression for no longer than 5 minutes.
d) apply manual pressure and avoid applying a bandage.
Answer: b) avoid excessive pressure when applying the bandage.
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A physician has selected a pressure support protocol to wean a patient off ventilatory support. Which of the following pressure levels would you recommend to begin the weaning process?
a. Pressure sufficient to obtain a VT of 3 to 5 ml/kg of predicted body weight (PBW) b. Pressure sufficient to overcome the im-posed workload c. Pressure sufficient to obtain a VT of 4 to 8 ml/kg PBW d. Pressure equal to 30% of the vol-ume-cycled peak inspiratory pressure
An individual with type O blood has ________.
A. only antigen B on his or her red blood cells B. neither antigen A nor B on his or her red blood cells. C. both antigen A and B on his or her red blood cells D. only antigen A on his or her red blood cells