Digoxin is prescribed to patients with congestive heart failure primarily to:
A) improve myocardial contractility and cardiac output.
B) improve blood flow to the lungs, thereby reducing pulmonary edema.
C) achieve a negative chronotropic effect and thereby reduce the myocardial workload.
D) control rapid ventricular rates, because many of these patients also have atrial fibrillation.
A
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Which of the following is true of pediatric patients compared to adult patients?
A. They depend less on the diaphragm for breathing. B. Gastric distension is more common. C. The trachea is larger in proportion to the body. D. Obstruction can be caused by hypoextension.
What portion of the normal adult blood volume is contained in the pulmonary circulation?
a. 10% c. 25% b. 75% d. 60%
As a patient is undergoing a colon examination, you notice under fluoroscopy the presence of colonic diverticuli in the descending and rectosigmoid colon. As you prepare for follow-up radiographs, you would determine your exposure technique and
a. increase the mAs for this condition. b. decrease the mAs for this condition. c. make no technique changes for this condition. d. ask the radiologist if this is an additive or destructive condition and adjust technique accordingly..
Subtract the fractions. 8 5/5 - 2 24/5 =
Fill in the blank(s) with the appropriate word(s).