Nursing practice questions with comprehensive rationales
NurseDive Free Nursing Practice Question
A nurse is collecting neurologic data on a client who has a neurological injury and notes changes suggestive of Cushing's Triad. The nurse understands that Cushing's Triad is a nervous system response that might prevent which of the following conditions?
A. Tachycardia
Tachycardia (Option A): Increased intracranial pressure can initially lead to tachycardia as the body attempts to compensate for the changes. However, as ICP continues to rise and brainstem compression occurs, the sympathetic response diminishes, resulting in bradycardia rather than tachycardia. Therefore, Cushing's Triad is not associated with preventing tachycardia.
B. Agonal breathing
Agonal breathing (Option B): Agonal breathing, characterized by gasping, labored breathing, or irregular breathing patterns, may occur as a result of brainstem dysfunction or damage. Cushing's Triad, indicative of increased ICP and impending brainstem herniation, does not prevent agonal breathing. In fact, irregular respirations are part of Cushing's Triad.
C. Chest pain
Chest pain (Option C): Chest pain may occur due to various cardiac or respiratory conditions and is not directly related to Cushing's Triad or increased intracranial pressure. Therefore, Cushing's Triad does not prevent chest pain.
D. Brainstem ischemia
Brainstem ischemia (Option D): Increased intracranial pressure can lead to brainstem compression, compromising blood flow to the brainstem and resulting in brainstem ischemia. Cushing's Triad, characterized by hypertension, bradycardia, and irregular respirations, is a nervous system response indicative of severe brain injury or increased ICP, which can lead to brainstem ischemia if left untreated. Therefore, Cushing's Triad is associated with brainstem ischemia rather than preventing it.
This question is an excerpt from Nurse Dive's nursing test bank - Ati Med Surg Proctored Exam 1 2024. Take the full exam now
Full Explanation
Cushing's Triad is a set of three classic signs associated with increased intracranial pressure (ICP). These signs include hypertension, bradycardia, and irregular respirations. The presence of Cushing's Triad indicates severe brain injury or increased ICP, often leading to brainstem compression.
A. Tachycardia (Option A): Increased intracranial pressure can initially lead to tachycardia as the body attempts to compensate for the changes. However, as ICP continues to rise and brainstem compression occurs, the sympathetic response diminishes, resulting in bradycardia rather than tachycardia. Therefore, Cushing's Triad is not associated with preventing tachycardia.
B. Agonal breathing (Option B): Agonal breathing, characterized by gasping, labored breathing, or irregular breathing patterns, may occur as a result of brainstem dysfunction or damage. Cushing's Triad, indicative of increased ICP and impending brainstem herniation, does not prevent agonal breathing. In fact, irregular respirations are part of Cushing's Triad.
C. Chest pain (Option C): Chest pain may occur due to various cardiac or respiratory conditions and is not directly related to Cushing's Triad or increased intracranial pressure. Therefore, Cushing's Triad does not prevent chest pain.
D. Brainstem ischemia (Option D): Increased intracranial pressure can lead to brainstem compression, compromising blood flow to the brainstem and resulting in brainstem ischemia. Cushing's Triad, characterized by hypertension, bradycardia, and irregular respirations, is a nervous system response indicative of severe brain injury or increased ICP, which can lead to brainstem ischemia if left untreated. Therefore, Cushing's Triad is associated with brainstem ischemia rather than preventing it.
Similar Questions
A nurse is teaching the caregiver of a client who has dementia. Which of the following behaviors should the nurse identify as increasing with the progression of the disorder? (Select All that Apply.)
A. Hallucinations
Hallucinations: As dementia progresses, especially in conditions like Alzheimer's disease, sensory perceptions can become distorted, leading to hallucinations, where the person perceives things that are not present.
B. Paranoia
Paranoia: Paranoia, or irrational suspicions and mistrust, often increases as dementia progresses. The person may become increasingly fearful or suspicious of others, even caregivers or family members.
C. Lethargy
Lethargy: While lethargy can be a symptom of dementia, it is more commonly associated with the earlier stages of the disorder when the person may experience apathy, lack of interest, and reduced energy levels. As the disease progresses, other behavioral changes like agitation or restlessness may become more prominent.
D. Impulsivity
Impulsivity: Impulsivity, or acting without forethought or consideration of consequences, can increase as dementia progresses, particularly in certain types of dementia like frontotemporal dementia. This can manifest as impulsive behaviors such as excessive spending, inappropriate social behavior, or risky actions.
E. Disregard for caregiver's feelings
Disregard for caregiver's feelings: As dementia advances, the person's ability to empathize or recognize the feelings and needs of others may decline. They may become increasingly self-focused or unaware of the impact of their actions on caregivers, leading to behaviors that disregard or overlook the caregiver's feelings and well-being.
Full Explanation
A. Hallucinations: As dementia progresses, especially in conditions like Alzheimer's disease, sensory perceptions can become distorted, leading to hallucinations, where the person perceives things that are not present.
B. Paranoia: Paranoia, or irrational suspicions and mistrust, often increases as dementia progresses. The person may become increasingly fearful or suspicious of others, even caregivers or family members.
C. Lethargy: While lethargy can be a symptom of dementia, it is more commonly associated with the earlier stages of the disorder when the person may experience apathy, lack of interest, and reduced energy levels. As the disease progresses, other behavioral changes like agitation or restlessness may become more prominent.
D. Impulsivity: Impulsivity, or acting without forethought or consideration of consequences, can increase as dementia progresses, particularly in certain types of dementia like frontotemporal dementia. This can manifest as impulsive behaviors such as excessive spending, inappropriate social behavior, or risky actions.
E. Disregard for caregiver's feelings: As dementia advances, the person's ability to empathize or recognize the feelings and needs of others may decline. They may become increasingly self-focused or unaware of the impact of their actions on caregivers, leading to behaviors that disregard or overlook the caregiver's feelings and well-being.
A nurse is assessing a client who is recovering from subarachnoid hemorrhage following a fall. Which of the following medications should the nurse understand is a potential reason for the fall? (Select All that Apply.)
A. Lisinopril
Lisinopril:Lisinopril is an angiotensin-converting enzyme (ACE) inhibitor used to treat hypertension and heart failure.Common side effects include dizziness and lightheadedness, which can increase the risk of falls, especially in older adults or individuals recovering from a subarachnoid hemorrhage.These side effects can occur due to the medication's blood pressure-lowering effects, leading to orthostatic hypotension or postural dizziness.
B. Citalopram
B) Citalopram: Citalopram is a selective serotonin reuptake inhibitor (SSRI) used to treat depression and anxiety. SSRIs like citalopram are associated with side effects such as dizziness, sedation, and orthostatic hypotension, which can increase the risk of falls, especially in older adults.
C. Donepezil
Donepezil: Donepezil is used to treat Alzheimer's disease and works by increasing acetylcholine levels. One of its side effects includes dizziness, bradycardia, and syncope, which can increase the risk of falls, particularly in older adults or those with cognitive impairment.
D. Amlodipine
Amlodipine: Amlodipine is a calcium channel blocker used for hypertension and angina. It can cause peripheral edema and dizziness, but it is less commonly associated with a direct increase in fall risk compared to medications like SSRIs or antipsychotics.
E. Olanzapine
Olanzapine: Olanzapine is an atypical antipsychotic used to treat conditions such as schizophrenia and bipolar disorder. It has sedative effects, causes orthostatic hypotension, and can lead to motor impairment, all of which increase the risk of falls. It is especially concerning in older adults due to these side effects.
Full Explanation
Answer: B, C, E
A nurse is planning care for a client who has dementia and lives at home. Which of the following physiological changes should the nurse educate the client and family to monitor?
A. Weight loss
Weight loss:Weight loss can occur in individuals with dementia due to various factors, including decreased appetite, difficulty eating or swallowing, and increased energy expenditure.Monitoring weight regularly can help detect changes in nutritional status and identify potential health concerns, such as malnutrition or dehydration.
B. Decreased mobility
Decreased mobility:Individuals with dementia may experience a decline in mobility and functional abilities as the disease progresses.Monitoring changes in mobility, such as difficulty walking, transferring, or performing activities of daily living, is important for assessing functional decline and implementing appropriate interventions to maintain mobility and prevent complications such as falls.
C. Increased physical activity
Increased physical activity:While dementia can lead to decreased physical activity in some individuals, others may exhibit increased restlessness or wandering behaviors.Monitoring changes in physical activity levels can help identify agitation, restlessness, or wandering behaviors that may require intervention to ensure the safety and well-being of the individual with dementia.
D. Unkempt appearance
Unkempt appearance:Individuals with dementia may neglect personal hygiene and grooming tasks, leading to an unkempt appearance.Monitoring changes in appearance, such as poor personal hygiene, disheveled clothing, or neglect of grooming habits, can indicate difficulties with self-care and may necessitate assistance or supervision to maintain hygiene and appearance.
E. Constipation
Constipation is a common gastrointestinal symptom in individuals with dementia, often due to factors such as reduced fluid intake, decreased physical activity, and side effects of medications. Monitoring bowel habits and addressing constipation promptly can help prevent discomfort, complications such as fecal impaction, and maintain overall gastrointestinal health in individuals with dementia.
Full Explanation
A. Weight loss:
Weight loss can occur in individuals with dementia due to various factors, including decreased appetite, difficulty eating or swallowing, and increased energy expenditure.
Monitoring weight regularly can help detect changes in nutritional status and identify potential health concerns, such as malnutrition or dehydration.
B. Decreased mobility:
Individuals with dementia may experience a decline in mobility and functional abilities as the disease progresses.
Monitoring changes in mobility, such as difficulty walking, transferring, or performing activities of daily living, is important for assessing functional decline and implementing appropriate interventions to maintain mobility and prevent complications such as falls.
C. Increased physical activity:
While dementia can lead to decreased physical activity in some individuals, others may exhibit increased restlessness or wandering behaviors.
Monitoring changes in physical activity levels can help identify agitation, restlessness, or wandering behaviors that may require intervention to ensure the safety and well-being of the individual with dementia.
D. Unkempt appearance:
Individuals with dementia may neglect personal hygiene and grooming tasks, leading to an unkempt appearance.
Monitoring changes in appearance, such as poor personal hygiene, disheveled clothing, or neglect of grooming habits, can indicate difficulties with self-care and may necessitate assistance or supervision to maintain hygiene and appearance.
E. Constipation:
Constipation is a common gastrointestinal symptom in individuals with dementia, often due to factors such as reduced fluid intake, decreased physical activity, and side effects of medications.
Monitoring bowel habits and addressing constipation promptly can help prevent discomfort, complications such as fecal impaction, and maintain overall gastrointestinal health in individuals with dementia.