Shock

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Questions and Answers

Which of the following is NOT a characteristic of shock?

  • Stimulation of the inflammatory responses
  • Respiratory underperfusion
  • Decreased coagulation (correct)
  • Circulatory underperfusion

Which of the following is a characteristic of shock regardless of its underlying cause?

  • Increased coagulation
  • Stimulation of the inflammatory responses
  • Acute alteration of circulation (correct)
  • Respiratory underperfusion

Which of the following is a consequence of stimulation of the inflammatory responses in shock?

  • Circulatory underperfusion
  • Increased coagulation
  • Respiratory underperfusion
  • Multiple organ failure (correct)

Which of the following is a common manifestation of shock?

<p>Decreased urine output (C)</p> Signup and view all the answers

Which of the following is NOT a characteristic of shock?

<p>Increased urine output (D)</p> Signup and view all the answers

Which of the following is a sign of shock?

<p>Pale and clammy skin (D)</p> Signup and view all the answers

Which of the following is a potential cause of abnormal tissue perfusion resulting in shock?

<p>Failure of the heart to act as an effective pump (C)</p> Signup and view all the answers

Which of the following is NOT a potential consequence of abnormal tissue perfusion resulting in shock?

<p>Increased tissue oxygenation (D)</p> Signup and view all the answers

Which type of shock is characterized by low preload due to reduced intravascular volume?

<p>Hypovolemic shock (B)</p> Signup and view all the answers

Which etiology is NOT commonly associated with cardiogenic shock?

<p>Sepsis (A)</p> Signup and view all the answers

Which type of shock is characterized by low systemic vascular resistance (SVR)?

<p>Distributive shock (C)</p> Signup and view all the answers

Which of the following is NOT a potential cause of hypovolaemic shock?

<p>Pancreatitis (A)</p> Signup and view all the answers

Which of the following is a potential cause of non-hemorrhagic losses leading to hypovolaemic shock?

<p>Dehydration (A)</p> Signup and view all the answers

Which of the following is NOT a potential consequence of hypovolaemic shock?

<p>High blood pressure (B)</p> Signup and view all the answers

Which type of shock is characterized by low systemic vascular resistance (SVR)?

<p>Neurogenic shock (B)</p> Signup and view all the answers

Which of the following is NOT a potential consequence of hypovolemic shock?

<p>Pulseless Electrical Activity (B)</p> Signup and view all the answers

Which of the following is a consequence of activation of the renin-angiotensin aldosterone system in hypovolemic shock?

<p>Increased glomerular filtration rate (B)</p> Signup and view all the answers

Which of the following is a potential cause of impaired myocardial contractility in hypovolemic shock?

<p>Inadequate oxygen delivery (D)</p> Signup and view all the answers

Which of the following is the equation used to calculate blood pressure?

<p>BP = CO × PVR (D)</p> Signup and view all the answers

Which of the following is a compensatory response of the heart to low blood flow in vessels?

<p>Increased heart rate (C)</p> Signup and view all the answers

Which of the following is a potential cause of impaired myocardial contractility in hypovolemic shock?

<p>Myocardial ischemia (A)</p> Signup and view all the answers

Which of the following is a sign of shock?

<p>Cold, pale, or mottled extremities (C)</p> Signup and view all the answers

Which of the following is NOT a potential cause of cardiogenic shock?

<p>Severe tachycardia (B)</p> Signup and view all the answers

Which of the following is a consequence of cardiogenic shock?

<p>Poor organ perfusion (A)</p> Signup and view all the answers

Which of the following is a potential cause of pulmonary edema in cardiogenic shock?

<p>Build-up of blood in the venous system (C)</p> Signup and view all the answers

Which of the following is a potential consequence of impaired myocardial contractility in cardiogenic shock?

<p>Low cardiac output (C)</p> Signup and view all the answers

Which of the following is a characteristic of distributive shock?

<p>Hypotension and inadequate organ perfusion (D)</p> Signup and view all the answers

Which of the following is NOT a potential cause of neurogenic shock?

<p>Adrenal insufficiency (D)</p> Signup and view all the answers

Which of the following is a consequence of anaphylactic shock?

<p>Severe bronchospasm (A)</p> Signup and view all the answers

Which of the following is a potential cause of distributive shock?

<p>Sepsis (B)</p> Signup and view all the answers

Which of the following is a compensatory response of the heart to low blood flow in vessels?

<p>Tachycardia (A)</p> Signup and view all the answers

Which of the following is a potential consequence of an increased difference between systolic and diastolic blood pressure?

<p>Bounding Pulses (B)</p> Signup and view all the answers

Which of the following conditions can lead to obstructive shock?

<p>Cardiac tamponade (A)</p> Signup and view all the answers

What happens to the venous pressure in obstructive shock?

<p>It increases (C)</p> Signup and view all the answers

What is a potential consequence of obstructive shock in the brain?

<p>Cerebral hypoxia (C)</p> Signup and view all the answers

Which of the following is a sign of obstructive shock?

<p>Peripheral edema (A)</p> Signup and view all the answers

Which of the following is a potential consequence of severe hemorrhage?

<p>Decreased blood pressure (D)</p> Signup and view all the answers

Which of the following is a potential cause of shock resulting from the escape of blood from a ruptured blood vessel?

<p>Hemorrhage (C)</p> Signup and view all the answers

Which of the following is an example of a negative-feedback mechanism that raises arterial blood pressure toward normal in response to a reduction in pressure?

<p>Renal conservation of salt and water (C)</p> Signup and view all the answers

Which of the following is a compensatory response of the body to hemorrhage?

<p>Reduced blood volume (C)</p> Signup and view all the answers

Which of the following is NOT a consequence of sympathetic activation in response to hemorrhage?

<p>Decreased renal perfusion (A)</p> Signup and view all the answers

Which of the following is a consequence of increased sympathetic activity during the immediate compensatory response to hemorrhage?

<p>Vasoconstriction of arterioles and veins (D)</p> Signup and view all the answers

Which hormone is released during the immediate compensatory response to hemorrhage and induces vasoconstriction?

<p>Vasopressin (ADH) (B)</p> Signup and view all the answers

Which of the following is stimulated during the immediate compensatory response to hemorrhage and plays a role in increasing blood volume?

<p>Renin-angiotensin system (B)</p> Signup and view all the answers

Which of the following is the primary driving force for the use of autologous blood transfusion?

<p>To reduce the risk of transmission of infection (B)</p> Signup and view all the answers

What is the net effect of reduced hydrostatic pressure in capillary (Pc) and increased oncotic pressure in tissues (Ï€i) in haemorrhage?

<p>Favors reabsorption (B)</p> Signup and view all the answers

What happens to tissue hydrostatic pressure (Pi) in dehydration?

<p>It is reduced (C)</p> Signup and view all the answers

What factors favor the use of autologous blood transfusion?

<p>Reduced risk of infection transmission and scarce resource protection (A)</p> Signup and view all the answers

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