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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2"]
Explanation
Desired dose = 50 mcg
Available strength = 0.025 mg/tablet
- Convert desired dose to milligrams (mg):
1 mg = 1000 mcg
50 mcg / 1000 mcg/mg = 0.05 mg
- Calculate the number of tablets:
Number of tablets = Desired dose (mg) / Available strength (mg/tablet)
= 0.05 mg / 0.025 mg/tablet
= 2 tablets
Correct Answer is D
Explanation
A. Able to unzip a zipper. This fine motor skill typically develops closer to age 2 to 3 years. At 15 months, most toddlers do not yet have the dexterity required to manipulate clothing fasteners.
B. Builds a tower of 4 cubes. A 15-month-old can usually build a tower of 2 to 3 cubes, while building a tower of 4 or more cubes is more typical around 18 to 24 months.
C. Throws a ball without falling. While some toddlers may attempt to throw a ball, doing so without falling is more characteristic of children around 18 months or older as balance improves.
D. Walks without help. This is an expected milestone by 12 to 15 months. Most toddlers at 15 months are able to walk independently, though gait may still be wide-based and unsteady.
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