A client's chart indicates that they are legally blind. Which of the following is the definition of legally blind?
Full vision loss in at least one eye
The best-corrected vision in the better eye of 20/200 or less
Inability to see clearly from 200 feet away without corrective lenses
Bilateral visual impairment of 20/60 or greater
The Correct Answer is B
Choice A Reason: This is incorrect because full vision loss in one eye does not necessarily mean that the person is legally blind. Legal blindness depends on the visual acuity and visual field of both eyes.
Choice B Reason: This is correct because legal blindness is defined by the World Health Organization (WHO) as having a visual acuity of 20/200 or worse in the better eye with the best possible correction, such as glasses or contact lenses. This means that the person can see at 20 feet what a normal person can see at 200 feet.
Choice C Reason: This is incorrect because inability to see clearly from 200 feet away without corrective lenses may indicate nearsightedness or myopia, but not legal blindness. Nearsightedness can be corrected with lenses or surgery.
Choice D Reason: This is incorrect because bilateral visual impairment of 20/60 or greater does not meet the criteria for legal blindness. Visual impairment is defined by WHO as having a visual acuity of less than 20/60 but better than 20/200 in the better eye with the best possible correction.

Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A Reason: This is the correct choice because a complete spinal cord injury is a condition where there is no motor or sensory function below the level of injury. The client will have paralysis of all four limbs (quadriplegia) and loss of bladder, bowel, and sexual function. The client will also have impaired thermoregulation, breathing, and blood pressure. The client will need 24-hour a day care to assist with mobility, hygiene, elimination, nutrition, and prevention of complications.
Choice B) Reason: This is incorrect because a client who is able to assist with transfer and perform self-care has a partial spinal cord injury, not a complete one. A partial spinal cord injury is a condition where there is some motor or sensory function below the level of injury. The degree of impairment depends on the extent and location of the damage.
Choice C Reason: This is incorrect because a client who is able to roll over independently has a lower spinal cord injury, not a complete one. A lower spinal cord injury is a condition where there is damage to the lumbar or sacral segments of the spinal cord. The client will have paralysis of the lower limbs (paraplegia) and some loss of bladder, bowel, and sexual function. The client will still have some control over the upper limbs and trunk.
Choice D Reason: This is incorrect because a client who is able to drive an electric wheelchair has an upper spinal cord injury, not a complete one. An upper spinal cord injury is a condition where there is damage to the cervical or thoracic segments of the spinal cord. The client will have paralysis of all four limbs (quadriplegia) and loss of bladder, bowel, and sexual function. However, the client may still have some movement or sensation in the shoulders, arms, or hands.

Correct Answer is A
Explanation
Choice A reason: This is correct because the lesion on the child's head is most likely a hemangioma, which is a benign tumor of blood vessels that appears as a red or purple mark on the skin. Hemangiomas are common in newborns and usually grow during the first year of life, then shrink and fade over several years. The nurse should reassure the client that hemangiomas are harmless and do not require treatment unless they interfere with vision, breathing, or feeding.
Choice B reason: This is incorrect because the lesion on the child's head will not spread, but rather grow and shrink within a limited area. The nurse should not alarm the client by suggesting that the lesion will spread to other parts of the body or become malignant. The nurse should explain that hemangiomas are not contagious or infectious and do not affect the child's overall health or development.
Choice C reason: This is incorrect because the lesion on the child's head is not caused by scarring from the birth process, but rather by abnormal growth of blood vessels in the skin. The nurse should not confuse or misinform the client about the cause of the lesion. The nurse should explain that hemangiomas are not related to trauma, infection, or genetics, but rather to unknown factors that influence blood vessel formation during fetal development.
Choice D reason: This is incorrect because the lesion on the child's head is not a precancerous lesion and does not need a referral to a dermatologist. The nurse should not scare or mislead the client by suggesting that the lesion is a sign of cancer or requires further evaluation or treatment. The nurse should explain that hemangiomas are benign and usually resolve on their own without any complications or sequelae.

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