Legal blindness occurs at a Snellen chart rating of ____________________ with correction
Fill in the blank with the appropriate word.
ANS:
20/200
Legal blindness occurs at a Snellen chart rating of 20/200 with correction.
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When preparing a lecture regarding social detriments, which topic will the educator include in the presentation?
1. Place of employment. 2. Visual problems. 3. Hearing problems. 4. Communication issues.
An elderly client's small-bowel obstruction has resolved and her intestinal decompression tube has been ordered to be removed. When performing this nursing action, what should the nurse prioritize?
A) Instill a small amount of water to provide lubrication while withdrawing the tube. B) Remove the tube slowly to avoid injuring the client. C) Change from continuous to intermittent suction during removal. D) Aspirate the tube while removing it in order to normalize pressure.
A nurse is to remove an interrupted suture from an incision site. After the site has been cleansed, which of these steps is correct?
a. Use forceps to grasp the middle of the suture, cut it, and pull either end. b. Use forceps to grasp the suture near the knot, place the curved edge of the scissors under the suture and cut close to the skin, and pull the long end to remove. c. Use forceps to grasp every other suture, cut each with the curved edge of the scissors down, and pull the short end to remove. d. Grasp the knot of the suture, cut with the scissors in a position of comfort, and pull either end.
A nurse is teaching a group of nursing students about immunoglobulins. Which statement by a student indicates a need for further teaching?
a. "IgD provides a first line of defense against microbes entering the body through the lungs." b. "IgE plays a role in hypersensitivity reac-tions and responses to parasites." c. "IgG and IgM participate in the comple-ment response to promote target cell ly-sis." d. "Neonatal immunity is the result of IgG crossing the placenta."