What is the cause of glaucoma?
a. Cloudiness in the lens
b. Increase in intraocular pressure
c. Failed eye surgery
d. Retinal tears
B
Glaucoma is caused by an increase in intraocular pressure.
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A nurse planning to teach a newly discharged patient about care of his tracheostomy should instruct the patient to:
A) Use tissues around the tracheostomy to clean. B) Use clean technique for tracheostomy care. C) Have a family member perform all tracheostomy care. D) Leave oxygen at 3 liters at all times.
Maya took a CNA course three years ago and worked for six months. She quit working because she had a baby and stayed home to care for him. Now she is ready to go back to work. What does Maya have to do to be certified as a CNA again?
A. Retake the training program and competency evaluation. B. Take several continuing education classes to catch up on new information. C. Call the Nursing Assistant Registry and have her name put on the list again. D. Work with a CNA for several weeks to refresh her knowledge.
The nurse empties a Jackson-Pratt drainage bulb. Which of the following nursing actions ensures correct functioning of the drain?
a) Irrigating it with normal saline. b) Compressing it and then plugging it to establish suction. c) Connecting it to low intermittent suction. d) Connecting it to a drainage bag and clamping it off.
Counting the number of QRS waves in an electrocardiogram (ECG) that occur within a 1-minute period helps determine the ________.
A. number of premature atrial contractions B. stroke volume C. heart rate D. cardiac output