A nurse is teaching a class about infection control to a group of nurses. The nurse should identify which of the following diseases as requiring the implementation of droplet precautions?
Rubeola
Varicella
Tuberculosis
Pertussis
The Correct Answer is D
A. Rubeola (measles). Rubeola is transmitted through airborne particles and requires airborne precautions, including the use of an N95 respirator and placement in a negative pressure room. Droplet precautions would not provide sufficient protection due to the small particle size and long-range transmission.
B. Varicella (chickenpox). Varicella requires both airborne and contact precautions because it spreads via airborne respiratory droplets and direct contact with lesions. A client with varicella must be isolated in a negative pressure room and healthcare workers should use full PPE.
C. Tuberculosis. Tuberculosis is caused by Mycobacterium tuberculosis and is spread through airborne droplet nuclei, which remain suspended in the air for extended periods. It requires airborne precautions, including an N95 respirator and isolation in a specialized room.
D. Pertussis (whooping cough). Pertussis is a highly contagious bacterial infection that spreads through large respiratory droplets during coughing or sneezing. Droplet precautions are required, which include wearing a surgical mask when within 3 feet of the client and practicing proper hand hygiene to prevent transmission.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Hyperthyroidism. This condition is not a contraindication to the use of combination oral contraceptives. Women with hyperthyroidism can generally use hormonal contraceptives safely under medical supervision.
B. Hypocalcemia. Low calcium levels are not linked to increased risk with combination oral contraceptives and do not contraindicate their use.
C. Thrombophlebitis. This condition involves inflammation and clot formation in the veins, and is a major contraindication to combination oral contraceptives. These medications increase the risk of blood clots, making them unsafe for clients with current or prior thromboembolic disorders.
D. Diverticulosis. This gastrointestinal condition is not affected by hormone levels and is not a contraindication to combination oral contraceptive use.
Correct Answer is ["D","E"]
Explanation
A. Ensure the formula is cold before administration. Enteral formula should be given at room temperature to avoid causing gastrointestinal cramping or discomfort. Cold formula can irritate the GI tract and lead to intolerance.
B. Check placement of the feeding tube by x-ray once daily. An x-ray is used initially to confirm tube placement after insertion, but daily x-rays are not required. Ongoing checks are done through aspirate checks and measuring external tube length.
C. Maintain the head of the client's bed at a 20° angle or higher. The head of the bed should be elevated to at least 30 to 45 degrees to prevent aspiration. A 20° angle is insufficient and increases the risk of aspiration pneumonia.
D. Check gastric residuals every 4 hr. This is appropriate for clients receiving continuous feedings. Monitoring gastric residual volume (GRV) every 4 hours helps assess tolerance to the feeding and reduces the risk of aspiration.
E. Change the feeding container and tubing every 24 hr. To prevent bacterial contamination, the feeding bag and tubing should be changed every 24 hours when using an open system. This is a standard infection control practice.
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