A nurse is caring for an older adult client in the emergency department who sustained a head injury due to a fall. Which of the following are common reasons for head injuries in older adults?
(Select All that Apply.)
Decreased visual acuity
Motor vehicle crashes
Polypharmacy
Weakness
Chronic hypertension
Previous military experience
Correct Answer : A,C,D,E
Choice A Reason:
Decreased visual acuity is correct. Yes, decreased visual acuity, including issues such as poor depth perception, reduced peripheral vision, and difficulty with contrast sensitivity, can contribute to falls and head injuries in older adults.
Choice B Reason:
Motor vehicle crashes is incorrect. While motor vehicle crashes can cause head injuries in individuals of all ages, they are less common among older adults compared to younger age groups.
Choice C Reason:
Polypharmacy is correct. Yes, polypharmacy, which refers to the use of multiple medications concurrently, is a common risk factor for falls and head injuries in older adults. Certain medications, especially those with sedative or psychotropic effects, can increase the risk of falls and accidents.
Choice D Reason:
Weakness is correct. Yes, weakness, frailty, and decreased muscle strength are common age-related changes that can increase the risk of falls and subsequent head injuries in older adults.
Choice E Reason:
Chronic hypertension, particularly when poorly controlled, can contribute to an increased risk of falls in older adults through various mechanisms:Hypertension medications or the condition itself can lead to orthostatic hypotension. This can cause dizziness or lightheadedness, increasing the risk of falls. Chronic hypertension is a major risk factor for cerebrovascular disease, including strokes. These events can lead to neurological deficits such as weakness, numbness, or impaired balance, predisposing individuals to falls.
Choice F Reason:
Previous military experience is incorrect. While previous military experience may contribute to certain health conditions or injuries in older adults, it is not a common reason for head injuries specifically related to falls or accidents in this population.
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Related Questions
Correct Answer is D
Explanation
Choice A Reason:
Depression is incorrect. While depression can contribute to headaches in some individuals, it is more commonly associated with migraine headaches rather than tension-type headaches or cluster headaches. People with depression may experience changes in neurotransmitter levels and alterations in pain perception, which can exacerbate migraines. However, tension-type headaches and cluster headaches are generally less strongly associated with depression as a precipitating factor compared to migraines.
Choice B Reason:
Smoking is incorrect. Smoking can be a trigger for headaches in some individuals, particularly migraines, due to the vasoconstrictive effects of nicotine and other compounds in tobacco smoke. However, smoking is not universally recognized as a common precipitating factor for tension-type headaches or cluster headaches. While individuals with cluster headaches may have higher rates of smoking compared to the general population, it is not a factor commonly shared with tension-type headaches.
Choice C Reason:
Poor posture is incorrect. Poor posture can contribute to muscle tension and cervical spine strain, which may trigger tension-type headaches. However, poor posture is not typically considered a precipitating factor specific to cluster headaches. While tension-type headaches may be exacerbated by poor posture, cluster headaches are characterized by severe, unilateral pain typically centered around the eye or temple, with associated autonomic symptoms such as tearing, nasal congestion, or ptosis.
Choice D Reason:
Stress is correct. Stress is a well-established precipitating factor for both tension-type headaches and cluster headaches. Stress can lead to muscle tension and contraction, which are common triggers for tension-type headaches. Additionally, stress can also contribute to the onset or worsening of cluster headaches, although the exact mechanisms underlying this association are not fully understood. Therefore, stress is a common precipitating factor for both tension-type headaches and cluster headaches.

Correct Answer is A
Explanation
Choice A Reason:
Smoking tobacco is the primary and most significant risk factor for emphysema. Tobacco smoke contains harmful chemicals and toxins that directly damage the lungs. Chronic exposure to cigarette smoke leads to inflammation and destruction of lung tissue, particularly the alveoli, contributing to the development of emphysema.
Choice B Reason:
Between 20 to 30 years of age. While smoking at any age is harmful to lung health, the risk of developing emphysema increases with prolonged exposure to tobacco smoke over many years. Emphysema is typically a disease of middle to older age, with symptoms often appearing after years of smoking.
Choice C Reason:
Asthma is a chronic inflammatory condition of the airways characterized by reversible airflow obstruction and airway hyperresponsiveness. While asthma and emphysema are both respiratory diseases, they have distinct pathophysiological mechanisms and risk factors. Asthma is not a direct cause of emphysema, although some individuals with poorly controlled asthma may develop chronic obstructive pulmonary disease (COPD), which includes emphysema as one of its components.
Choice D Reason:
Pollution is not correct. Environmental pollution, including air pollution from industrial emissions, vehicle exhaust, and particulate matter, can contribute to respiratory problems and exacerbate pre-existing lung conditions. While exposure to pollution can worsen respiratory symptoms and lung function, it is not the primary cause of emphysema. However, long-term exposure to certain pollutants may increase the risk of developing respiratory diseases, including COPD, which encompasses emphysema.

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