A client does not understand why vision loss due to glaucoma is irreversible. What is the nurse's best explanation?
Once the tissue has necrosed from high pressure, it does not regenerate.
Glaucoma always leads to permanent blindness.
Once retinal detachment occurs, it does not return to its normal state.
Once bacterial infection has caused damage, the tissue does not regenerate.
The Correct Answer is A
Choice A reason: Once the tissue has necrosed from high pressure, it does not regenerate is the best explanation, because it describes the mechanism and outcome of glaucoma. Glaucoma is a condition that causes increased intraocular pressure, which damages the optic nerve and the retina, the tissues that are responsible for transmitting and processing visual information. Once these tissues are necrosed, or dead, they do not regenerate, or grow back, resulting in irreversible vision loss.
Choice B reason: Glaucoma always leads to permanent blindness is not a good explanation, because it is inaccurate and pessimistic. Glaucoma does not always lead to permanent blindness, but rather to progressive vision loss that can be prevented or slowed down with early diagnosis and treatment. Glaucoma can cause peripheral vision loss, tunnel vision, or blind spots, but not necessarily complete blindness.
Choice C reason: Once retinal detachment occurs, it does not return to its normal state is not a good explanation, because it is irrelevant and misleading. Retinal detachment is a condition that occurs when the retina separates from the underlying layer of blood vessels, which can cause vision loss or blindness. However, retinal detachment is not caused by glaucoma, nor is it a common complication of glaucoma. Retinal detachment can sometimes be repaired with surgery, depending on the extent and duration of the detachment.
Choice D reason: Once bacterial infection has caused damage, the tissue does not regenerate is not a good explanation, because it is incorrect and confusing. Bacterial infection is not a cause or a consequence of glaucoma, but rather a separate condition that can affect the eye. Bacterial infection can cause inflammation, pain, discharge, or redness in the eye, but not necessarily vision loss or tissue necrosis. Bacterial infection can usually be treated with antibiotics, which can prevent or reverse the damage.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Client will remain free from falls throughout their hospital stay is the most appropriate goal for an elderly client with a nursing diagnosis of risk for injury after hip surgery, because it is specific, measurable, attainable, realistic, and timely. This goal addresses the main risk factor for injury, which is falling, and the main outcome indicator, which is the absence of falls. This goal also reflects the client's condition, needs, and preferences, and is consistent with the standards of care and evidencebased practice.
Choice B reason: Client will increase activity tolerance by discharge from the hospital is not the most appropriate goal for an elderly client with a nursing diagnosis of risk for injury after hip surgery, because it is vague, subjective, unachievable, unrealistic, and untimely. This goal does not address the main risk factor for injury, which is falling, nor the main outcome indicator, which is the absence of falls. This goal also does not reflect the client's condition, needs, and preferences, and is not consistent with the standards of care and evidencebased practice.
Choice C reason: Client will demonstrate effective breathing pattern when ambulating throughout hospital stay is not the most appropriate goal for an elderly client with a nursing diagnosis of risk for injury after hip surgery, because it is irrelevant, unrelated, unnecessary, unrealistic, and untimely. This goal does not address the main risk factor for injury, which is falling, nor the main outcome indicator, which is the absence of falls. This goal also does not reflect the client's condition, needs, and preferences, and is not consistent with the standards of care and evidencebased practice.
Choice D reason: Client will increase mobility by the time of discharge from hospital is not the most appropriate goal for an elderly client with a nursing diagnosis of risk for injury after hip surgery, because it is vague, subjective, unachievable, unrealistic, and untimely. This goal does not address the main risk factor for injury, which is falling, nor the main outcome indicator, which is the absence of falls. This goal also does not reflect the client's condition, needs, and preferences, and is not consistent with the standards of care and evidencebased practice.
Correct Answer is B
Explanation
Choice A reason: A susceptible host is not an infectious disease, but a factor that influences the transmission of an infectious disease. A susceptible host is a person who is vulnerable to infection due to factors such as age, health status, immunization, or genetic predisposition. A susceptible host may become infected by a communicable disease, but it is not the disease itself.
Choice B reason: A communicable disease is an infectious disease that can be transmitted directly from one person to another. A communicable disease is caused by a pathogen, such as a virus, bacterium, fungus, or parasite, that can spread through contact, droplet, airborne, vector, or vehicle transmission. Examples of communicable diseases are influenza, tuberculosis, measles, malaria, and HIV/AIDS.
Choice C reason: A portal of entry to a host is not an infectious disease, but a factor that influences the transmission of an infectious disease. A portal of entry to a host is a route through which a pathogen can enter the body of a susceptible host and cause infection. A portal of entry to a host may be a break in the skin, a mucous membrane, or a body opening, such as the mouth, nose, eyes, or genitals. A portal of entry to a host may facilitate the transmission of a communicable disease, but it is not the disease itself.
Choice D reason: A portal of exit from the reservoir is not an infectious disease, but a factor that influences the transmission of an infectious disease. A portal of exit from the reservoir is a route through which a pathogen can leave the body of an infected person or animal and reach another susceptible host. A portal of exit from the reservoir may be a body fluid, such as blood, saliva, urine, or feces, or a body part, such as the skin, hair, or nails. A portal of exit from the reservoir may enable the transmission of a communicable disease, but it is not the disease itself.
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