Which assessment finding indicates to the nurse that a client is exhibiting early clinical manifestations of the compensatory stage of shock? (Select all that apply).
Restlessness
Cool moist skin
Increased bowel sounds
Increased respiratory rate
Decreased blood glucose
Correct Answer : A,B,D
Choice A reason: Restlessness is one of the early clinical manifestations of the compensatory stage of shock. The body responds to decreased tissue perfusion and oxygenation by stimulating the sympathetic nervous system, which results in anxiety and restlessness. This response indicates that the body's compensatory mechanisms are being activated in an attempt to maintain adequate blood flow and oxygenation to vital organs. The increased release of catecholamines leads to these symptoms as the body tries to compensate for the shock state.
Choice B reason: Cool moist skin is another early sign of the compensatory stage of shock. During this stage, peripheral vasoconstriction occurs as the body attempts to redirect blood flow to vital organs like the heart and brain. This vasoconstriction leads to reduced blood flow to the skin, causing it to become cool and clammy. The skin's moisture is due to the activation of sweat glands, another effect of the sympathetic nervous system's response to shock. This mechanism is essential for preserving core body temperature and ensuring that critical organs receive adequate perfusion during the shock state.
Choice C reason: Increased bowel sounds are not typically associated with the compensatory stage of shock. Instead, the body’s response to shock generally includes decreased gastrointestinal activity due to the redirection of blood flow away from the gastrointestinal tract. This prioritization of blood flow to vital organs like the heart, lungs, and brain leads to a reduction in digestive functions. Therefore, increased bowel sounds are unlikely to be an early manifestation of the compensatory stage of shock, making this choice incorrect in the context of shock assessment.
Choice D reason: Increased respiratory rate is a key indicator of the compensatory stage of shock. As the body attempts to compensate for reduced oxygen delivery to tissues, the respiratory rate increases to enhance oxygen uptake and carbon dioxide elimination. This tachypnea helps to maximize oxygenation and support metabolic needs during the early stages of shock. The body's drive to maintain homeostasis triggers this response, ensuring that despite the decreased perfusion, oxygen levels in the blood are maintained as much as possible.
Choice E reason: Decreased blood glucose is not typically an early sign of the compensatory stage of shock. In fact, the body's stress response to shock usually involves the release of stress hormones like cortisol and catecholamines, which can increase blood glucose levels by stimulating gluconeogenesis and glycogenolysis. This increase in blood glucose provides additional energy to vital organs during the stressful period. Hence, decreased blood glucose is not considered a primary early manifestation of the compensatory stage of shock.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason:
Severe blood loss due to trauma can lead to hypovolemic shock, a specific type of shock. However, this description is not comprehensive enough to cover the pathophysiology of all types of shock. Shock involves various mechanisms and can occur due to different underlying causes beyond just blood loss, such as cardiac failure, infections, or neurological issues.
Choice B reason:
Catatonia is a state of psychomotor immobility and behavioral abnormality stemming from psychological disturbances, not a direct feature of shock. While mental status changes can be a symptom of shock, catatonia itself is not a defining characteristic of the condition. The pathophysiology of shock involves physiological imbalances rather than purely psychological disturbances.
Choice C reason:
Tachycardia (increased heart rate) and hypotension (low blood pressure) are symptoms that can occur during shock, but they do not describe the underlying pathophysiology. These signs are the body's response to the decreased perfusion and oxygen delivery to tissues. The fundamental issue in shock is the failure to meet the body's metabolic demands due to impaired oxygen delivery, which is better captured by another option.
Choice D reason:
An imbalance between oxygen supply and demand is the core issue in all types of shock. Whether due to blood loss, heart failure, or systemic infection, shock results in insufficient oxygen delivery to meet the needs of tissues and organs. This imbalance leads to cellular hypoxia and subsequent organ dysfunction, encapsulating the essential pathophysiological process of shock.
Correct Answer is A
Explanation
Choice A reason: Stroke volume x heart rate. Cardiac output is the volume of blood the heart pumps per minute, calculated by multiplying the stroke volume (the amount of blood ejected with each heartbeat) by the heart rate (the number of beats per minute).
Choice B reason: Afterload x preload. Afterload and preload are important factors influencing cardiac function but do not directly calculate cardiac output. Afterload refers to the resistance the heart must overcome to eject blood, and preload refers to the initial stretching of the heart muscle prior to contraction.
Choice C reason: Ejection fraction x blood pressure. Ejection fraction is a measure of the percentage of blood ejected from the heart with each beat, and blood pressure is the force exerted by circulating blood on the walls of blood vessels. These factors influence cardiac function but do not directly calculate cardiac output.
Choice D reason: Systolic x diastolic BP. Systolic and diastolic blood pressure are measurements of pressure during heartbeats and between beats, respectively. They are not used to calculate cardiac output.
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