The nurse is providing care to a client who has survived cardiac arrest Which of the following manifestations should alert the nurse to the development of PCAS?

Decreased circulation to the kidneys

Increased mental capacity

Improving respiratory function

Improvement in heart rate and blood pressure

Answer and Explanation

The Correct Answer is A

A. Decreased circulation to the kidneys: Post-cardiac arrest syndrome (PCAS) is a constellation of systemic ischemia/reperfusion injury responses that occur after return of spontaneous circulation (ROSC) following cardiac arrest. One of the manifestations of PCAS is decreased circulation to the kidneys due to the systemic hypoperfusion that occurs during cardiac arrest and the subsequent reperfusion injury that follows ROSC. This can lead to acute kidney injury (AKI) in some cases.

B. Increased mental capacity: While it is crucial to monitor neurological status after cardiac arrest, an immediate increase in mental capacity is not typically indicative of PCAS. Rather, neurological assessment may involve evaluating for signs of brain injury or dysfunction, which can include altered mental status, confusion, or neurological deficits.

C. Improving respiratory function: Improvement in respiratory function after cardiac arrest is a positive sign but may not necessarily indicate the development of PCAS. PCAS primarily involves systemic responses to the ischemia/reperfusion injury that occurs during and after cardiac arrest, rather than isolated respiratory changes.

D. Improvement in heart rate and blood pressure: Improvement in heart rate and blood pressure after cardiac arrest is generally expected with successful resuscitation efforts. However, these improvements alone may not necessarily indicate the development of PCAS. PCAS involves a broader range of systemic responses beyond just cardiac and hemodynamic changes.

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Free Nursing Study Resources

Correct Answer is B

Explanation

A. "Note if you see any flashing bright lights on the grid." Flashing lights are not typically associated with macular degeneration. This symptom is more commonly associated with conditions like retinal detachment or migraine headaches.

B. "Check to see if the lines on the grid are blurry or distorted." This statement is correct. The Amsler grid is used to detect changes in central vision, which are common in macular degeneration. Patients with macular degeneration may perceive wavy or distorted lines instead of straight lines when looking at the grid, indicating central vision loss.

C. "Monitor for the lines on the grid to change in color or brightness." Changes in color or brightness of the lines on the grid are not typical features of macular degeneration. This statement does not accurately reflect the purpose of using an Amsler grid for macular degeneration.

D. "Watch for floating dark spots on the grid." Floating dark spots (floaters) are not typically associated with macular degeneration. Floaters are more commonly associated with conditions like posterior vitreous detachment or retinal detachment.

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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The nurse is providing care to a client who has survived cardiac arrest Which of the following manifestations should alert the nurse to the development of PCAS?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is teaching a client who has macular degeneration about how to use an Amsler grid. Which of the following statements should the nurse include in the teaching?

Correct Answer is B

Explanation

A nurse is teaching a group of clients about the specific types of fluids that protect the structures of the inner ear. Which of the following statements should the nurse include in the teaching?

Correct Answer is A

Explanation

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