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 C
Explanation
A. “Take your diuretic medication with your evening meal." Taking diuretics in the evening can increase nighttime urination, worsening sleep disruption and incontinence. They should generally be taken in the morning to minimize nocturia.
B. "Decrease your intake of cranberry juice." Cranberry juice is often recommended to promote urinary tract health, though it doesn’t directly worsen urge incontinence. It is not necessary to avoid it unless advised by a provider for another reason.
C. "Plan to urinate every 3 hours while you are awake." Scheduled voiding at regular intervals is a key strategy in bladder retraining. It helps reduce urgency episodes and gradually increases bladder capacity and control over time.
D. “Limit your fluid intake to 500 milliliters per day." Severely limiting fluids can lead to dehydration, concentrated urine, and bladder irritation, potentially worsening incontinence. Adequate fluid intake should be maintained unless otherwise directed.
Correct Answer is A
Explanation
A. Place the tip of the thermometer under the center of the infant's axilla: This is the correct method for taking an axillary temperature in infants, which is the recommended route due to safety and ease. The tip should be placed snugly in the center of the axilla and the infant's arm should be held firmly against their body to ensure accuracy.
B. Pull the pinna of the infant's ear forward before inserting the probe: This technique is used for otoscopic or tympanic temperature readings in children under 3, but tympanic readings are not preferred in young infants due to the small size and curvature of their ear canals, which can lead to inaccuracy.
C. Insert the oral thermometer in front of the infant's tongue: Oral temperature measurement is inappropriate for infants. They may not be able to keep the thermometer properly positioned, which increases the risk of inaccurate readings or injury.
D. Insert the probe 3.8 cm (1.5 in) into the infant's rectum: Rectal temperature measurement is not routinely recommended unless specifically indicated, and the probe should only be inserted about 1.3 cm (0.5 in) for infants to avoid rectal perforation. The option listed suggests unsafe depth.
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