A miotic medication has been prescribed for a client with acute angle-closure glaucoma. The client asks the nurse about the purpose of the medication. Which response should the nurse provide to the client?
"The medication will help block the neural impulses that are sent to the muscles in the eye."
"The medication will help dilate the pupil to allow drainage of fluid to occur."
"The medication causes the pupil to constrict, opening the angle where the iris meets the cornea."
"The medication pulls excess aqueous humor from the eye, into the bloodstream."
The Correct Answer is C
A. This statement is not accurate in the context of miotic medications. Miotic drugs do not work by blocking neural impulses to the muscles. Instead, they directly affect the eye's pupil size and fluid dynamics. This response does not correctly describe the action of miotic agents.
B. This response is incorrect because miotic medications actually constrict the pupil, not dilate it. In acute angle-closure glaucoma, dilation of the pupil would worsen the condition by further blocking the drainage angle. Miotics are used to constrict the pupil, which helps open the angle between the iris and the cornea, thereby facilitating fluid drainage.
C. Miotic medications cause the pupil to constrict (miosis), which helps in opening the narrow angle between the iris and the cornea. In acute angle-closure glaucoma, the angle is closed or narrow, preventing proper drainage of aqueous humor. By constricting the pupil, miotic medications can help to relieve this obstruction and allow better drainage of fluid, thereby reducing intraocular pressure.
D. This statement is incorrect regarding the action of miotic medications. Miotic drugs do not pull aqueous humor into the bloodstream. Their primary effect is on the pupil's size and the angle of the eye to improve drainage. Medications that reduce aqueous humor production or increase its outflow, such as carbonic anhydrase inhibitors or prostaglandin analogs, are responsible for these actions
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. This statement is relevant to the patient's health but does not indicate a need for further action by the nurse. Omeprazole is a common medication for acid reflux.
B. This statement is appropriate for patients with asthma. Fluticasone is a maintenance inhaler used to prevent asthma attacks, and taking it regularly as prescribed is important.
C. This statement is correct. Albuterol is a quick-relief inhaler used to treat asthma attacks.
D. This statement indicates a potential interaction with the patient's asthma medications. Beta-blockers like metoprolol can worsen asthma symptoms in some patients. The nurse should discuss this with the patient's doctor to determine if the benefits of metoprolol outweigh the risks for this individual.
Correct Answer is {"A":{"answers":"A"},"B":{"answers":"B"},"C":{"answers":"A"},"D":{"answers":"B"}}
Explanation
1. Begin Broad Spectrum IV Antibiotics Anticipated
The client's symptoms, including right upper quadrant pain, nausea, vomiting, jaundice, fever, and elevated white blood cell count, suggest a potential infection or inflammation in the abdominal area, possibly related to the biliary system (e.g., cholecystitis or cholangitis). Broad-spectrum antibiotics are commonly used to treat infections that could be causing these symptoms, especially if the exact pathogen is not yet identified. The elevated white blood cell count further supports the likelihood of an infection.
2. Transfuse 1 Unit of Packed Red Blood Cells Contraindicated
There is no indication from the provided information that the client has anemia or a significant drop in hemoglobin that would necessitate a blood transfusion. The hemoglobin level is 15.1 g/dL, which is within normal limits. Blood transfusion would typically be considered if there was evidence of significant blood loss or anemia, neither of which is indicated by the client’s current lab results.
3. Prepare Client for Endoscopic Retrograde Cholangiopancreatography (ERCP) Anticipated
The symptoms described, including right upper quadrant pain radiating to the right shoulder, jaundice, and the dark amber urine, are suggestive of biliary tract involvement, such as gallstones causing obstruction or infection. ERCP is a diagnostic and therapeutic procedure used to visualize and treat conditions of the bile ducts and pancreatic ducts. Given the symptoms and clinical presentation, preparing the client for an ERCP to assess and potentially address issues in the biliary system is appropriate.
4. Administer Morphine Sulfate IV Push for Pain Contraindicated
The client has a documented allergy to morphine. Administering morphine could lead to an allergic reaction and is therefore contraindicated. Alternative pain management options should be considered, such as non-opioid analgesics or other opioid medications that the client is not allergic to.
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