NURS 5315 Shock Advanced Path Projector Exam Questions and Verified Answers Graded A+ Exam 2026

NURS 5315 Shock Advanced Path Projector Exam Questions and Verified Answers Graded A+ Exam 2026 What is the primary characteristic of shock? A) Hypertension B) Inadequate tissue perfusion C) Increased oxygen delivery D) Increased cardiac output - Correct Ans-B) Inadequate tissue perfusion Rationale: Shock is defined by inadequate tissue perfusion, leading to decreased oxygen and nutrient delivery to cells. Which of the following best describes the primary consequence of anaerobic metabolism in shock? A) Increased ATP production B) Increased oxygen consumption C) Lactic acid accumulation D) Enhanced cellular function - Correct Ans-C) Lactic acid accumulation Rationale: Anaerobic metabolism results in lactic acid accumulation, leading to metabolic acidosis and further impairing cellular function. What is the major cause of metabolic acidosis in shock? A) Hypoventilation B) Excessive bicarbonate production C) Lactic acid accumulation D) Hyperkalemia - Correct Ans-C) Lactic acid accumulation Rationale: Inadequate oxygen delivery forces cells into anaerobic metabolism, leading to lactic acid accumulation and metabolic acidosis. Which type of shock is caused by reduced blood volume? A) Cardiogenic shock B) Hypovolemic shock C) Distributive shock D) Neurogenic shock - Correct Ans-B) Hypovolemic shock Rationale: Hypovolemic shock results from a significant decrease in blood volume, leading to inadequate perfusion. NURS 5315 NURS 5315 Which type of shock is primarily caused by heart failure? A) Cardiogenic shock B) Hypovolemic shock C) Septic shock D) Neurogenic shock - Correct Ans-A) Cardiogenic shock Rationale: Cardiogenic shock results from decreased cardiac output due to heart dysfunction, leading to poor tissue perfusion. What happens to sodium and water balance in cells during shock? A) Sodium moves out of the cells B) Water moves out of the cells C) Sodium and water accumulate inside the cells D) There is no change in sodium and water balance - Correct Ans-C) Sodium and water accumulate inside the cells Rationale: ATP depletion leads to Na+/K+ pump failure, causing sodium and water to accumulate inside cells, leading to cellular swelling. Why does tachycardia occur in shock? A) To compensate for decreased cardiac output B) To decrease oxygen demand C) To reduce metabolic rate D) To increase waste removal - Correct Ans-A) To compensate for decreased cardiac output Rationale: The body increases heart rate to compensate for low cardiac output and maintain blood flow to vital organs. What is the major cause of organ dysfunction in shock? A) Increased blood pressure B) Impaired oxygen and nutrient delivery C) Enhanced cellular metabolism D) Excessive waste removal - Correct Ans-B) Impaired oxygen and nutrient delivery Rationale: Organ dysfunction results from inadequate oxygen and nutrient supply, leading to cellular injury and failure. Which type of shock is most commonly associated with systemic infections? A) Hypovolemic shock B) Cardiogenic shock C) Septic shock D) Neurogenic shock - Correct Ans-C) Septic shock Rationale: Septic shock is caused by widespread infection, leading to vasodilation, increased capillary permeability, and decreased perfusion. NURS 5315 NURS 5315 Which metabolic process is most impaired during shock? A) Protein synthesis B) Glycolysis C) Oxidative phosphorylation D) Lipid metabolism - Correct Ans-C) Oxidative phosphorylation Rationale: Inadequate oxygen delivery impairs oxidative phosphorylation, leading to decreased ATP production and reliance on anaerobic metabolism. What is the primary effect of metabolic acidosis in shock? A) Increased enzyme function B) Decreased pH and cellular dysfunction C) Increased ATP production D) Enhanced protein synthesis - Correct Ans-B) Decreased pH and cellular dysfunction Rationale: Metabolic acidosis lowers blood pH, impairing enzyme function and cellular activities, worsening shock progression. What is the most common cause of hypovolemic shock? A) Myocardial infarction B) Hemorrhage C) Sepsis D) Spinal cord injury - Correct Ans-B) Hemorrhage Rationale: Hypovolemic shock occurs due to significant blood or fluid loss, often from hemorrhage. What is the Bohr effect in the context of shock? A) Increased oxygen binding to hemoglobin B) Decreased oxygen release to tissues C) Enhanced oxygen release due to acidosis D) Reduced hemoglobin production - Correct Ans-C) Enhanced oxygen release due to acidosis Rationale: Acidosis shifts the oxyhemoglobin dissociation curve to the right, promoting oxygen release to tissues but also increasing tissue hypoxia. What is the effect of shock on renal function? A) Increased urine output B) Decreased urine output (oliguria) C) Enhanced filtration rate D) Increased sodium excretion - Correct Ans-B) Decreased urine output (oliguria) Rationale: Renal hypoperfusion leads to oliguria, reflecting inadequate blood flow to the kidneys. NURS 5315 NURS 5315 Which compensatory mechanism is activated first in shock? A) Increased diuresis B) Baroreceptor activation and tachycardia C) Increased insulin release D) Vasodilation - Correct Ans-B) Baroreceptor activation and tachycardia Rationale: Baroreceptors detect low blood pressure and activate compensatory mechanisms like tachycardia and vasoconstriction. What role do catecholamines play in shock? A) Decrease heart rate B) Increase vasodilation C) Increase heart rate and contractility D) Reduce glucose levels - Correct Ans-C) Increase heart rate and contractility Rationale: Catecholamines like epinephrine and norepinephrine increase heart rate and cardiac contractility to maintain perfusion. What happens to systemic vascular resistance in hypovolemic shock? A) Decreases B) Increases C) Stays the same D) Alternates between increasing and decreasing - Correct Ans-B) Increases Rationale: The body compensates for decreased blood volume by increasing systemic vascular resistance to maintain blood pressure. What is the primary function of vasopressors in shock management? A) Increase cardiac output B) Decrease metabolic rate C) Reduce blood pressure D) Increase vascular resistance - Correct Ans-D) Increase vascular resistance Rationale: Vasopressors constrict blood vessels, increasing systemic vascular resistance and improving blood pressure. What is the significance of cold, clammy skin in shock? A) Hyperperfusion B) Peripheral vasoconstriction C) Increased metabolism D) Dehydration - Correct Ans-B) Peripheral vasoconstriction Rationale: The body constricts peripheral vessels to redirect blood flow to vital organs, causing cold, clammy skin. NURS 5315 NURS 5315 What is the primary goal of fluid resuscitation in shock? A) Decrease cardiac output B) Restore intravascular volume and perfusion C) Reduce oxygen delivery D) Induce metabolic acidosis - Correct Ans-B) Restore intravascular volume and perfusion Rationale: Fluid resuscitation replenishes lost volume, improving perfusion and oxygen delivery. Which of the following compensatory mechanisms is activated first in response to decreased tissue perfusion in compensated shock? A. Parasympathetic nervous system activation B. Sympathetic nervous system activation C. Increased vagal tone D. Decreased catecholamine release - Correct Ans-B. Sympathetic nervous system activation Rationale: The sympathetic nervous system is activated first, leading to vasoconstriction, increased heart rate, and catecholamine release to maintain cardiac output. In compensated shock, blood is primarily shunted away from which of the following organs? A. Brain and heart B. Kidneys and liver C. Lungs and spleen D. Adrenal glands and pancreas - Correct Ans-B. Kidneys and liver Rationale: Blood is redirected to vital organs like the brain and heart, while non essential organs such as the kidneys and liver experience reduced perfusion. What clinical finding is most consistent with compensated shock? A. Hypotension B. Bradycardia C. Tachycardia D. Profound lethargy - Correct Ans-C. Tachycardia Rationale: In compensated shock, tachycardia is a compensatory response to maintain cardiac output. Hypotension typically occurs in later stages. Which hormonal system plays a crucial role in fluid retention during compen