Which statement describes how to avoid a false-negative aspiration?
A) Withdraw the syringe slightly and reaspirate to release the bevel from a vessel wall
B) Rotate the syringe a quarter turn then reaspirate to release the bevel from a vessel wall
C) Apply greater force on the thumb ring to permit blood to enter cartridge
D) Avoid injections in highly vascular areas
B
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How many days must a physician give for notifying a patient that they are terminating their care?
A. 30 B. 60 C. 90 D. 5
Which of the following is a place where microorganisms are normally found?
a. In the respiratory tract b. On the skin c. In the urinary and gastrointestinal tract d. All of the above
Which type of impulse travels from the brain to the neuroeffector sites?
a. Afferent b. Reflex c. Ganglionic d. Efferent
Which of the following is characteristic of lancets?
A. They are used when a large amount of blood is required for a specific procedure. B. They puncture a vein for the purpose of drawing blood. C. They require the use of a tourniquet and a syringe with a needle. D. They are disposable instruments with sharp points used to puncture the skin. E. They eliminate the need for an engineered safety device.