A nurse is assessing a client who is taking losartan.
Which of the following findings should the nurse identify as an adverse effect of this medication?
Hypertension.
Double vision.
Dizziness.
Hyperactivity.
The Correct Answer is C
Choice A rationale
Losartan is an angiotensin II receptor blocker (ARB) which works by preventing angiotensin II from binding to its receptors in vascular smooth muscle, thereby causing vasodilation and lowering blood pressure. Hypertension is the condition losartan is prescribed to treat, not an adverse effect, because its mechanism directly counteracts the vasoconstrictive effects of angiotensin II. The intended therapeutic effect is a reduction in systemic vascular resistance and blood pressure.
Choice B rationale
Double vision, also known as diplopia, is not a recognized common or significant adverse effect of losartan. The mechanism of action of losartan primarily targets the renin-angiotensin-aldosterone system (RAAS), influencing blood pressure regulation and fluid balance, not directly affecting the central nervous system or ocular motor function. This symptom would be more indicative of neurological or ophthalmological issues unrelated to the medication's primary action.
Choice C rationale
Dizziness is a common adverse effect of losartan. This is a direct consequence of its therapeutic action, which is to lower blood pressure. The resulting vasodilation and reduced blood pressure can lead to orthostatic hypotension, causing feelings of lightheadedness or dizziness, especially when a person changes positions, like standing up. The brain's reduced perfusion pressure triggers this sensation as a physiological response.
Choice D rationale
Hyperactivity is not an expected adverse effect of losartan. The medication primarily affects the cardiovascular system by modulating the RAAS to lower blood pressure. It does not have known stimulant properties that would lead to increased energy, restlessness, or hyperactivity. Such a finding would likely be attributed to other factors or a different underlying condition, not the pharmacological action of this medication. *.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Based on the client's statements, there is strong evidence of neglect and potential exploitation. Neglect is indicated by the inadequate food supply and minimal meal preparation. Financial exploitation is suggested by the client's lack of access to their retirement income, despite it being used for their care. This situation poses a serious risk to the client's well-being, triggering the nurse's ethical and legal duty to report suspected elder abuse to the appropriate authorities.
Choice B rationale
While gathering more information is often a good practice, directly questioning the adult child about financial matters could escalate the situation and potentially put the client at further risk. The primary responsibility of the nurse in this scenario is to ensure the client's safety, and the existing information is sufficient to warrant a report. The client has already provided a detailed account of the financial arrangement and their lack of access to funds, which is a key indicator of exploitation.
Choice C rationale
Educating the adult child about nutrition, while potentially helpful in some circumstances, does not address the immediate and serious issues of neglect and financial exploitation. The client's safety is the priority. Focusing solely on education ignores the broader pattern of abuse and the client's vulnerability, which requires a more direct and protective intervention.
Choice D rationale
Encouraging the client to speak with their adult child may place them in a more vulnerable position and could increase the risk of retaliation or further neglect. The client has already expressed an understanding of their adult child's frustration, and this approach fails to address the power imbalance and exploitative nature of the relationship. It is not an appropriate or safe intervention in a situation of suspected abuse. *.
Correct Answer is A
Explanation
Choice A rationale
A color-coded wristband, such as yellow, serves as a visual cue to all healthcare staff that a client has an increased risk of falling. This system promotes a universal understanding of the client's needs, allowing all members of the care team to implement appropriate fall prevention measures proactively and consistently, such as providing assistance with ambulation or frequent rounding.
Choice B rationale
The use of physical restraints, such as a restraint around the waist, is a last resort and requires a provider's order. It is not considered a primary fall prevention strategy. Restraints can increase a client's risk of injury and are associated with negative outcomes, including agitation, skin breakdown, and loss of muscle mass. Fall prevention strategies focus on proactive, non-restrictive interventions.
Choice C rationale
Storing personal items in a bathroom, especially on a high shelf, creates a significant fall hazard. The client may overreach or stand on a stool to retrieve items, increasing their risk of losing balance. To prevent falls, all personal items should be kept within easy reach of the client, such as on the bedside table, to minimize unnecessary movement.
Choice D rationale
While keeping some light on is helpful, having overhead lights on at all times can cause glare and create shadows that distort depth perception. This can make it difficult for a client with vision impairments to see potential obstacles. A low-level nightlight is a safer alternative for nighttime visibility, as it minimizes glare and helps maintain a normal sleep-wake cycle. *.
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