A nurse and a newly licensed nurse are providing care for a client who has distributive shock. How should the nurse explain the pathophysiology of distributive shock to the newly licensed nurse?
"Distributive shock occurs due to loss of myocardial contractility."
"Distributive shock occurs due to loss of blood volume."
"Distributive shock occurs due to systemic vasodilation."
"Distributive shock occurs due to increased systemic vascular resistance."
The Correct Answer is C
A. "Distributive shock occurs due to loss of myocardial contractility": This statement is incorrect. Distributive shock is not primarily caused by loss of myocardial contractility. Instead, distributive shock is characterized by widespread vasodilation, which leads to inadequate tissue perfusion despite normal or high cardiac output.
B. "Distributive shock occurs due to loss of blood volume": This statement is inaccurate. Distributive shock is not primarily caused by loss of blood volume. While hypovolemia (loss of blood volume) can lead to shock, distributive shock specifically involves excessive vasodilation, resulting in a relative hypovolemia due to pooling of blood in the expanded vascular bed.
C. "Distributive shock occurs due to systemic vasodilation": This statement is correct. Distributive shock, also known as vasodilatory shock, occurs due to widespread vasodilation of the systemic vasculature. This vasodilation leads to a decrease in systemic vascular resistance, which results in the redistribution of blood flow away from vital organs and tissues, leading to inadequate tissue perfusion and shock.
D. "Distributive shock occurs due to increased systemic vascular resistance": This statement is incorrect. Distributive shock is characterized by decreased systemic vascular resistance due to vasodilation, not increased systemic vascular resistance. Increased systemic vascular resistance is more commonly associated with conditions such as hypertension or obstructive shock.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","C"]
Explanation
Answer: A, B, and C
Rationale: A) Falls: Falls are a leading cause of traumatic brain injuries (TBIs) across all age groups, especially among older adults and young children. Falls can occur due to various factors such as slipping, tripping, or accidents from heights.
B) Violence: Acts of violence, including assaults, gunshot wounds, and domestic abuse, are significant contributors to TBIs. These traumatic events can result in head injuries with varying degrees of severity, depending on the force and nature of the trauma.
C) Sports-related injuries: Participation in contact sports or activities with a risk of collision or impact, such as football, soccer, or cycling, can lead to TBIs. Athletes may experience concussions or more severe head injuries during games or practice sessions.
D) Working as a firefighter: While occupations like firefighting can expose individuals to hazardous situations, including fires and building collapses, they are not typically cited as primary causes of TBIs. However, firefighters may face head injury risks while performing their duties, especially during rescue operations or structural collapses.
E) Working in a factory: While accidents in industrial settings can lead to various injuries, including head trauma, they are not among the primary causes of TBIs. However, workers in factories or industrial environments may face risks associated with machinery accidents, falling objects, or workplace incidents.
Correct Answer is ["A","B","C","D","E"]
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.
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