The patient with glaucoma is usually started on the lowest dose of medication. Which of the following is the preferred initial ophthalmic medication?
Carbonic anhydrase inhibitors
Prostaglandins
Alpha-agonists
Beta-blockers
The Correct Answer is B
The correct answer is: = b. Prostaglandins
Choice A: Carbonic anhydrase inhibitors: These medications can be used for glaucoma, but they are not typically the first-line treatment due to potential side effects.
Choice B: Prostaglandins (Correct Answer) These are often the preferred initial medication for glaucoma because they are effective at lowering eye pressure, have minimal systemic side effects, and are typically used once daily.
Choice C: Alpha-agonists: These medications can be used as an adjunct to other glaucoma medications but are not usually the first choice due to potential side effects like dry mouth and fatigue.
Choice D: Beta-blockers: While once a common first-line treatment, beta-blockers have been largely replaced by prostaglandins due to potential side effects like slowed heart rate and worsened breathing problems.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
Sensorineural hearing loss is a type of hearing loss in which the root cause lies in the inner ear or sensory organ (cochlea and associated structures) or the vestibulocochlear nerve (cranial nerve VIII). Sensorineural hearing loss can be mild, moderate, severe, or profound, and it affects the ability to hear faint sounds or understand speech. However, in the Rinne test, if the air-conducted sound is louder than the bone-conducted sound, it indicates that the patient’s hearing is likely normal.
Choice B rationale
Tinnitus is the perception of noise or ringing in the ears. It is a common problem that affects about 15 to 20 percent of people and is especially common in older adults. However, the Rinne test is not used to diagnose tinnitus. It is used to compare air and bone conduction of sound.
Choice C rationale
In a normal Rinne test, air conduction (AC) is better than bone conduction (BC). This is referred to as a positive Rinne test. If a patient reports that air-conducted sound is louder than bone-conducted sound, it suggests that the patient’s hearing is likely normal.
Choice D rationale
Otosclerosis is a condition that affects the bones in the middle ear, causing hearing loss. It is a common cause of conductive hearing loss, particularly in young adults. However, in otosclerosis, bone conduction (BC) is better than air conduction (AC), which is referred to as a negative Rinne test.
Correct Answer is ["A","C","D","E"]
Explanation
Choice A rationale
Venous thromboembolism (VTE) is a serious complication that can occur in comatose patients. Immobility is a major risk factor for VTE, and comatose patients are often immobile. Therefore, nurses should be vigilant for signs of VTE, such as swelling, pain, or redness in the extremities.
Choice B rationale
Hemorrhage is not typically a direct complication of coma. However, the underlying cause of the coma, such as a traumatic brain injury, could potentially lead to hemorrhage.
Choice C rationale
Contractures, or the shortening and hardening of muscles, tendons, or other tissue, can occur in comatose patients due to prolonged immobility. Regular movement and physiotherapy can help prevent this complication.
Choice D rationale
Pressure ulcers, also known as bedsores, are a common complication in comatose patients. They occur when there is prolonged pressure on the skin, usually over bony areas. Regular turning and good skin care can help prevent pressure ulcers.
Choice E rationale
Pneumonia is a common complication in comatose patients, often resulting from aspiration (inhaling food, stomach acid, or saliva into the lungs)2. Nurses should be vigilant for signs of pneumonia, such as fever, cough, and difficulty breathing.
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