The nurse is preparing to assess the visual acuity of a 16-year-old patient. How would the nurse proceed?
Ask the patient to read the print on a handheld Jaeger card.
Use the Snellen chart positioned 20 feet away from the patient.
Determine the patient's ability to read newsprint at a distance of 12 to 14 inches.
Perform the confrontation test.
The Correct Answer is B
A. The Jaeger card is typically used to assess near vision, not visual acuity at a distance, and would be more appropriate for an adult or someone with suspected near-vision issues.
B. The Snellen chart is used to assess distance visual acuity, and it is the standard tool for visual acuity testing for both adults and adolescents. The chart should be positioned 20 feet away from the patient to measure their ability to see at a distance.
C. Determining the ability to read newsprint is a test for near vision, not visual acuity for distance.
D. The confrontation test is a screening for peripheral vision, not for visual acuity.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","D","E"]
Explanation
B. Demonstrating caring behavior by involving the patient in decision-making fosters autonomy and respect.
D. Using comfort measures like warm blankets and gentle soaps shows attention to the patient's physical and emotional comfort.
E. Acknowledging the patient's emotional response (frustration and anger) demonstrates empathy and validation of the patient's feelings.
A. Fostering denial of rehabilitation is not a caring behavior, as it prevents the patient from realistically addressing their needs.
C. Requiring the patient to stay in a wheelchair without considering their comfort or needs is not a caring or empathetic action.
Correct Answer is ["31"]
Explanation
Flowrate(gtt/min)=Time(min)Volume(mL)×Dropfactor(gtt/mL)
Given:
Volume = 250 mL (vancomycin in 250 mL of D5W)
Time = 2 hours = 120 minutes
Dropfactor=15gtt/mLtubingdropfactor
Step 1: Calculate the flow rate:
rate=250 mL120 min×15 gtt/mL
Flowrate=2.0833×15=31.25gtt/min
Step 2: Round to the nearest whole number:
Answer: 31 drops per minute
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