Physiology of Blood Pressure Regulation
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Questions and Answers

What is the primary determinant of the rise of the blood pressure curve during systole?

  • Vascular resistance
  • Stroke volume
  • Heart rate
  • Compliance of the aorta (correct)

What is the goal of fluid resuscitation in compensated shock?

  • To decrease vascular resistance
  • To redistribute blood to vital organs
  • To increase cardiac output (correct)
  • To reduce blood pressure

Why was Bethan transferred to the Intensive Care Unit (ICU)?

  • To insert invasive monitoring devices (correct)
  • To manage her shock
  • To initiate fluid resuscitation
  • To monitor her blood pressure

What is the formula for calculating cardiac output (CO)?

<p>CO = HR x SV (C)</p> Signup and view all the answers

What is the primary response to fluid resuscitation in hemorrhagic shock?

<p>Increase in cardiac output (D)</p> Signup and view all the answers

What is the term for the body's natural response to decrease venous return and increase cardiac output?

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

What is the primary goal of fluid replacement therapy in a patient with hemorrhagic shock?

<p>To improve tissue perfusion and oxygen delivery (B)</p> Signup and view all the answers

What is the most likely cause of the patient's hypotension in this scenario?

<p>Hemorrhagic shock secondary to bone fracture (B)</p> Signup and view all the answers

What is the term for the inadequate perfusion of vital organs in shock states?

<p>Inadequate tissue perfusion (C)</p> Signup and view all the answers

What is the term for the rapid breathing rate observed in this patient?

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

What is the primary reason for inserting an airway in this patient?

<p>To provide oxygen (A)</p> Signup and view all the answers

What is the term for the life-threatening condition characterized by circulatory failure and inadequate tissue perfusion?

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

What is the primary goal of managing blood pressure in hypovolaemic shock?

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

Which of the following invasive monitoring techniques measures cardiac output?

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

What is the primary reason for using a urinary catheter in hypovolaemic shock?

<p>To monitor pressure natriuresis (D)</p> Signup and view all the answers

What is the recommended fluid for volume resuscitation in the absence of blood products?

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

Which of the following blood products is considered in major haemorrhage if fibrinogen levels are low?

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

What is the primary goal of fluid resuscitation in hypovolaemic shock?

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

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