The nurse determines that it is necessary to implement airborne precautions for children with which of the following infections?
A) Measles
B) Streptococcus group A
C) Rubella
D) Scarlet fever
A
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Airborne precautions are designed to reduce the risk of infectious agents transmitted by airborne droplet nuclei or dust particles such as for children with measles, varicella, or tuberculosis. Droplet precautions would be used for children with streptococcal group A infections, rubella, and scarlet fever.
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A 67-year-old patient states that he recently began to have pain in his left calf when climbing the 10 stairs to his apartment. This pain is relieved by sitting for approximately 2 minutes; then he is able to resume his activities
The nurse interprets that this patient is most likely experiencing: a. Claudication. b. Sore muscles. c. Muscle cramps. d. Venous insufficiency.
When the sympathetic nervous system is stimulated, the interstitial cells of Cajal, pacemaker cells of the GI tract, react by
A) decreasing amplitude or abolishing the slow waves that control the spontaneous oscillations in membrane potentials. B) increasing the peristaltic motion of the GI tract, thereby causing explosive diarrhea. C) increasing the amount of secretions being entered into each segment of the intestinal tract. D) signaling the vagus nerve to slow down motility and increase absorption of water from the large intestine.
In addition to closing the atrial and septal defect, the goal of surgery for atrioventricular septal defect is to:
a. close a patent ductus arteriosus, which accompanies the atrioventricular septal defect b. insert a coil or similar device to close off the defect c. construct new mitral and tricuspid valves from the common A-V valve d. close the communication between the pulmonary artery and the aorta
During contraction of a muscle fiber, actin filaments slide outward and lengthen the fiber
Indicate whether the statement is true or false