A nurse is collecting data from a client related to changes in vision. Which of the following statements indicates that the client might be developing a cataract?

"I can't see anything from the sides of my eyes."

"My vision is almost gone from the center part of my eye."

"My contact lenses just don't fit like they used to."

"l keep seeing flashes of lights moving around in my eye."

Answer and Explanation

The Correct Answer is B

A. "I can't see anything from the sides of my eyes." This statement suggests a visual field deficit, which may be indicative of conditions affecting peripheral vision, such as glaucoma, retinal detachment, or optic nerve disorders. It is not a typical symptom of cataracts.

B. "My vision is almost gone from the center part of my eye." This statement indicates a central visual impairment, which is a common symptom of cataracts. Cataracts cause clouding of the lens, leading to blurred or dimmed vision, especially in the center of the visual field. This symptom often progresses gradually over time.

C. "My contact lenses just don't fit like they used to." This statement suggests discomfort or fit issues with contact lenses and is not specifically indicative of cataracts. It may be related to changes in the shape or health of the cornea, conjunctiva, or tear film.

D. "I keep seeing flashes of lights moving around in my eye." Flashes of light in the visual field are not typical symptoms of cataracts. They may indicate other ocular conditions such as vitreous detachment, migraines with aura, or retinal disorders.

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Correct Answer is D

Explanation

A) "Pentoxifylline can be administered to help the platelets from sticking together and occluding the vessels": Pentoxifylline is a medication used to improve blood flow by decreasing the viscosity of blood. However, it is not typically used to treat mitral valve stenosis. This statement does not accurately reflect treatment options for this condition.

B) "A heparin bolus is administered and followed with a continuous infusion to help keep the blood thinner": Heparin is an anticoagulant used to prevent blood clot formation, but it is not a treatment for mitral valve stenosis itself. While anticoagulants may be used in certain situations with mitral valve stenosis (such as in the setting of atrial fibrillation), they do not directly address the underlying valve narrowing.

C) "A flexible catheter will be inserted into a vessel of the arm, neck, or groin and advanced to the heart to dilate a narrowed or occluded artery": This statement describes a procedure known as percutaneous transluminal mitral valvuloplasty (PTMV), which is a minimally invasive intervention used to treat mitral valve stenosis. During this procedure, a catheter with a deflated balloon on its tip is inserted into a vessel and guided to the heart, where the balloon is inflated to widen the narrowed valve.

D) "A small catheter with a balloon on the end is threaded into a vessel in the groin and advanced to the heart where the balloon will be inflated, and the narrowed valve will be dilated": This statement accurately describes balloon valvuloplasty, which is a common procedure used to treat mitral valve stenosis. By inflating the balloon within the narrowed valve, the procedure aims to widen the valve opening, thus improving blood flow through the heart.

A. "Endolymph fluid provides protection to the structures of the inner ear." B. "Aqueous humor provides protection to the structures of the inner ear." C. "Vitreous humor provides protection to the structures of the inner ear." D. "Sanguineous fluid provides protection to the structures of the inner ear."

Correct Answer is A

Explanation

A. "Endolymph fluid provides protection to the structures of the inner ear": Endolymph is a fluid found within the membranous labyrinth of the inner ear. It plays a crucial role in maintaining the balance of ions necessary for proper sensory function of the auditory and vestibular systems. Endolymph helps protect the delicate sensory structures of the inner ear, including the hair cells responsible for hearing and balance.

B. "Aqueous humor provides protection to the structures of the inner ear": Aqueous humor is a clear fluid that fills the anterior chamber of the eye, maintaining intraocular pressure and nourishing the cornea and lens. It is not involved in protecting the structures of the inner ear.

C. "Vitreous humor provides protection to the structures of the inner ear": Vitreous humor is a gel-like substance that fills the posterior chamber of the eye, providing structural support to the eyeball and maintaining its shape. It is not associated with protecting the structures of the inner ear.

D. "Sanguineous fluid provides protection to the structures of the inner ear": Sanguineous fluid refers to blood or a blood-like fluid, which does not directly provide protection to the structures of the inner ear. While the circulatory system supplies oxygen and nutrients to the inner ear structures, blood itself does not serve as a protective fluid within the inner ear.

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A nurse is collecting data from a client related to changes in vision. Which of the following statements indicates that the client might be developing a cataract?

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