Select the TRUE statement from the choices below.
a. Extinction time is the time required to prepare the x-ray tube for exposure.
b. Window level adjusts the contrast and window width adjusts the density of an image.
c. The flow rate is the rate at which the contrast medium is filtered by the kidneys.
d. The typical design of the vascular imaging system uses a C-arm configuration.
d. The typical design of the vascular imaging system uses a C-arm configuration.
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Yvonne had a cyst removed from her right hand three weeks ago. You scheduled her follow-up appointment for one week after the surgery, but she did not show up for the appointment. Today she called to say that the incision is red and oozing and has a foul smell. She thinks the surgeon "messed up" and is threatening a lawsuit. Which of the following statements applies in this situation?
A. The physician is not responsible because patients sign a form waiving their right to sue before the surgery is performed. B. The physician is protected from legal action if a "no-show" was documented when Yvonne missed her follow-up appointment. C. The physician should ask Yvonne to come into the office so he can correct his error and avoid a lawsuit. D. Yvonne may win the lawsuit if the incision turns out to be infected. E. Yvonne can file a lawsuit against both the physician and the entire practice because her incision was not properly cared for.
Adrenergic receptors bind the neurotransmitter:
a. Adrenalin (epinephrine and norepinephrine) b. Acetylcholine
Which of the following information is NOT included on a Medicare beneficiary's identification card?
A) Effective date of coverage B) Primary care physician's name C) Claim number D) Type of coverage
____ is a common ECG dysrhythmia affecting some two million Americans, a far greater percentage than any other dysrhythmia.
A. Septal fibrillation B. Atrial fibrillation C. Ventricular fibrillation D. Localized fibrillation