Volunteers in a study are assigned randomly to groups. Some of the volunteers receive an herbal supplement that is reputed to control nausea, and some of the volunteers are assigned to a control group where a placebo is administered
This is an example of a(n): a. Longitudinal study.
b. RCT.
c. Meta-analysis.
d. Appraisal tool.
B
RCTs, or randomized controlled trials, always involve testing of a treatment through the random assignment of subjects in the study to an experimental or treatment group or to a control group that receives a placebo.
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A small business owner has noted an increase in back injuries at his company in recent years. During a discussion with an occupational health nurse, knowledge of statistical information re-garding this trend throughout the country is exchanged
The occupational health nurse explains that the most common back injury is caused by a strain to which of the following muscle groups? a. Lumbar b. Cervical c. Thoracic d. Trapezius
The nurse is caring for a child diagnosed with low functioning parathyroid. Which is a treatment goal of a child with hypoparathyroidism?
What will be an ideal response?
Which presentation is described accurately in terms of both presenting part and frequency of occurrence?
a. Cephalic: occiput; at least 95% c. Shoulder: scapula; 10% to 15% b. Breech: sacrum; 10% to 15% d. Cephalic: cranial; 80% to 85%
The nurse is preparing a patient for a thyroid scan. Which explanation by the nurse is appropriate?
a. "Sound waves will be used to create a picture of your thyroid gland." b. "A thyroid scan is simply an x-ray of your thyroid gland." c. "You will be given radioactive iodine, and a special camera will take pictures of your thyroid gland." d. "You will be placed in a large instrument that uses magnetic energy to create an image of your thyroid gland."