Which of the following is a symptom of shock?

Appeared in: RRB Nsg Superintendent -29 April 2025 (Shift-1st)

Explanation

Shock leads to inadequate tissue oxygenation, causing a switch to anaerobic metabolism and lactic acid production.
The body compensates for this metabolic acidosis by increasing the respiratory rate (tachypnea) to blow off carbon dioxide.
To compensate for decreased cardiac output, the heart rate increases (tachycardia).
However, the low stroke volume makes the peripheral pulse feel weak and thready.

Option A: Patients in shock experience decreased cerebral perfusion, leading to altered mental status like confusion, lethargy, or coma, not increased energy.
Option B: In most forms of shock, peripheral vasoconstriction occurs to shunt blood to vital organs, resulting in cool, pale, and clammy skin.
Option D: Shock is defined by inadequate tissue perfusion, which ultimately leads to hypotension (low blood pressure) as compensatory mechanisms fail.

Visual 1: Flowchart: Pathophysiology of Shock. This visual can illustrate how an initial insult leads to decreased tissue perfusion, triggering compensatory mechanisms (like tachycardia and tachypnea) and progressing to the clinical signs of shock.
Visual 2: Infographic: Stages of Shock (Compensated, Progressive, Irreversible). This can help visualize how symptoms change as the condition worsens, showing when blood pressure typically drops and why early signs are critical to recognize.

Clinical Relevance

Nursing practice connection: Prioritize focused assessment, early escalation, and real-time monitoring when managing Clinical manifestations of shock in acute care settings.
Early recognition of shock is a critical nursing responsibility. Recognizing subtle signs like a rising heart rate and respiratory rate, even with a normal blood pressure, can lead to life-saving interventions.
Nurses must perform frequent and thorough assessments of vital signs, skin temperature/color, mental status, and urine output in at-risk patients.
What if? If a patient has the same vital signs (rapid breathing, weak pulse) but also has a known spinal cord injury, the nurse should suspect neurogenic shock, a type of distributive shock, and anticipate interventions like vasopressors rather than just large-volume fluid resuscitation.

How to Approach the Question

First, understand the core concept of the question. 'Shock' is a state of inadequate tissue perfusion.
Think about the body's immediate response to a crisis. The sympathetic nervous system ('fight or flight') is activated.
Evaluate each option based on this physiological response.
Option A (Increased energy): Does a life-threatening lack of perfusion give you energy? No, it impairs organ function, including the brain.
Option B (Warm, dry skin): Does the body send blood to the skin during a crisis? No, it shunts blood to vital organs, making skin cool and clammy.
Option C (Rapid breathing and weak pulse): Does the body try to get more oxygen and pump blood faster? Yes. This is a classic compensatory response.

Concept Tested & Keywords

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Lewis Medical Surgical Nursing p. 321-326

Practise the full RRB Nsg Superintendent -29 April 2025 (Shift-1st)

Attempt every question from this paper in a timed mock, then review the full solution for each one.