NORCET 6 mains-2024
Medical & Surgical Nursing
Hard
In a Road Traffic Accident (RTA) patient, what is a major clinical manifestation associated with shock?
Appeared in: NORCET 6 mains-2024
Explanation
- In a Road Traffic Accident (RTA), significant blood loss (hemorrhage) is a major risk, leading to hypovolemic shock.
- Hypovolemic shock is characterized by a loss of circulating blood volume, which reduces the amount of blood returning to the heart.
- This reduction in venous return decreases cardiac output, and once the body's compensatory mechanisms are overwhelmed, it results in hypotension (low blood pressure).
- Hypotension is a critical and defining sign of decompensated shock, indicating inadequate perfusion to vital organs.
Why Other Options Were Wrong
- Option A: Hypertension is high blood pressure. Shock, particularly hypovolemic shock, is a state of low perfusion and is characterized by hypotension, not hypertension.
- Option B: Bradycardia is a slow heart rate. The body's primary compensatory mechanism in hypovolemic shock is tachycardia (a fast heart rate) to maintain cardiac output.
- Option D: Bradypnea is an abnormally slow breathing rate. The metabolic acidosis caused by shock stimulates the respiratory center, leading to tachypnea (rapid breathing).
Related Visual
Clinical Relevance
- Nursing practice connection: Prioritize focused assessment, early escalation, and real-time monitoring when managing Clinical Manifestations of Shock in acute care settings.
- Nurses must perform rapid and frequent vital sign assessments in trauma patients to detect early signs of shock, such as tachycardia and a narrowing pulse pressure, even before hypotension develops.
- Promptly identifying hypotension is critical as it signifies decompensated shock, requiring immediate fluid resuscitation and measures to control bleeding to prevent irreversible organ damage.
- What if? If the RTA patient had a severe head injury, they might present with Cushing's triad (hypertension, bradycardia, and irregular respirations), which is a sign of increased intracranial pressure, not hypovolemic shock. This requires a different management approach.
How to Approach the Question
- First, analyze the clinical scenario: a 'Road Traffic Accident (RTA) patient'.
- Identify the most probable complication associated with RTA, which is significant bleeding leading to hypovolemic shock.
- Recall the key pathophysiological feature of shock: inadequate tissue perfusion, which ultimately leads to a drop in blood pressure.
- Evaluate the options based on the body's response to shock. The body compensates with a fast heart rate (tachycardia) and fast breathing (tachypnea).
- Eliminate options that represent the opposite of the expected findings (Hypertension) or compensatory responses (Bradycardia, Bradypnea).
- Conclude that hypotension is the major manifestation once compensatory mechanisms fail.
Concept Tested & Keywords
- Concept Tested: Clinical Manifestations of Shock
- Stem keywords: Road Traffic Accident (RTA), shock, clinical manifestation
- Lead-in keywords: what is
- Clinical cues: The context of a Road Traffic Accident (RTA) strongly suggests trauma and potential for hemorrhage, pointing towards hypovolemic shock.
- Negative lead-in flag: false
Question ID
QyfTc1GNWsbQKBtA5hl-0E
Reference Book
E6 Nelson Textbook of Pediatrics(2024) — Volume 1 p. 650-652
E6 Ghai Essential Pediatrics(pp 26-904 of 913) p. 768-770
E6 Nursing Vital Signs p. 88-90
Practise the full NORCET 6 mains-2024
Attempt every question from this paper in a timed mock, then review the full solution for each one.
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