The nurse working in an ophthalmology clinic is preparing to assess a patient's near vision. Which piece of equipment would the nurse use for this assessment?
Ophthalmoscope
Snellen Chart
Magazine
Penlight
The Correct Answer is B
Choice A Reason:
An ophthalmoscope is primarily used for examining the interior structures of the eye, such as the retina, and is not typically used for assessing near vision. It provides a view of the fundus of the eye, which is essential for diagnosing various eye conditions but does not directly assess a patient's reading or close-up vision.
Choice B Reason:
The Snellen Chart is traditionally used to measure distance visual acuity and would not be the first choice for assessing near vision. However, there are versions of the Snellen Chart or similar charts designed for near vision assessment, typically held at a reading distance of about 14 inches from the patient. These charts have rows of letters or symbols that decrease in size and are used to determine the smallest print size a person can read.
Choice C Reason:
A magazine can be a practical tool for assessing near vision informally, as it contains various sizes of print and is a good representation of everyday reading material. The nurse can ask the patient to read a specific paragraph to observe their ability to see and comprehend text at a close distance.
Choice D Reason:
A penlight is not used for assessing near vision. It is typically used to assess the pupillary light reflex or to illuminate specific areas of the eye during an examination. The penlight helps to evaluate the response of the pupils to light but does not measure the patient's ability to read or see objects up close.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason:
Reddened intact skin is typically associated with a stage 1 pressure ulcer, where the skin is not yet broken but shows signs of redness. This stage indicates that the skin is under pressure and may be at risk for further breakdown if the pressure is not relieved.
Choice B reason:
A stage 3 pressure ulcer involves full-thickness skin loss that extends into the subcutaneous tissue layer but does not involve underlying muscle or bone. The ulcer presents as a deep crater, and there may be slough or eschar present. It is important to manage these ulcers carefully to prevent further deterioration and complications such as infection.
Choice C reason:
Skin loss involving up to the dermis layer is characteristic of a stage 2 pressure ulcer. In this stage, the epidermis and part of the dermis are lost, creating a shallow open wound or blister. This stage is less severe than stage 3 and requires different management strategies to promote healing and prevent progression.
Choice D reason:
Exposed bone is indicative of a stage 4 pressure ulcer, which is the most severe stage. It involves full-thickness skin loss with extensive destruction, possibly including muscle, tendon, or bone exposure. These ulcers are at high risk for serious infections, including osteomyelitis, and require aggressive medical and surgical intervention to heal.
Correct Answer is C
Explanation
Choice a reason:
Assisting the client to a sitting position is not the best action to ensure that bowel sounds can be heard. For abdominal auscultation, the patient should be lying down in a supine position to relax the abdominal muscles, which facilitates the hearing of bowel sounds.
Choice b reason:
Percussion of the abdomen before auscultation is not recommended as the best initial action. Percussion can stimulate bowel motility, which may alter the natural bowel sounds that the nurse is attempting to assess.
Choice c reason:
Reducing all environmental noise is the best action to ensure that bowel sounds can be heard clearly. Environmental noise can mask the subtle sounds of bowel motility, and minimizing distractions allows for a more accurate assessment of bowel activity.
Choice d reason:
Palpating the region before auscultating is not the best action because palpation can also stimulate bowel motility and potentially alter the bowel sounds. Auscultation should be performed before palpation during the abdominal examination to avoid this issue.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today